Line and Shape Control does not have a single event. Read More

1. Picture Box Acts as Container Object where Image Box not 2. Resize & Autosize Read More

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Vbrun300.dll Read More

THER ARE 31 TYPE EVENT Read More

When u build connection with database through coding, then its ADODB.. When u build connection with database through ADO component, then its ADODC ............ Read More

boldcommand Read More

Most generally: Listindex:-index of an Item in a List, can be of a Listboc control. Tab index:-determines how control/cursor moves from one cotrol to another on a Form(container) Read More

It will By Passing the Jet Query Processor. Read More

A subquery is called a query with in the query. Such as select n1,n2 from table1 where in n1 not in(select n1 from table2) while main query is the only query like select n1,n2 from table1 Read More

The Microsoft FlexGrid (MSFlexGrid) control displays and operates on tabular data. It allows complete flexibility to sort, merge, and format tables containing strings and pictures. When bound to a Data control, MSFlexGrid displays read-only data... Read More

Rolls Back updates if any errors Occurs. Read More

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Form,PictureBox,OLE Read More

The Variant data type has a numeric storage size of 16 bytes and can contain data up to the range of a Decimal, or a character storage size of 22 bytes (plus string length),and can store any character text. Read More

Open Data Base Connectivity which is used to connect to the database/s. Read More

Tree view control is designed to display data that is hierarchical in nature, such as organization trees, the entries in an index, the files, directories on a disk. It is often used in conjuction with the List view control, which is used to display... Read More

commondialogbox.showfile("*.mdb ! *.mdb" Read More

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Frm, bas, cls, res, vbx, ocx, frx, vbp, exe Read More

Visual basic divides into different types they are 1) Numeric data type 2) Non numeric data type Numeric data is divided into seven different types they are adding, minus, multiplication, division, etc. Non numeric data consists of data which... Read More

Set ? Value is assigned to ActiveX Object from the form. Let ? Value is retried to ActiveX Object from the form. Get- Assigns the value of an expression to a variable or property. Read More

X as variant and y as integer. Read More

Name property Read More

These are constants in CursorLocationEnum of CursorLocation property on a ADO Connection object. If the CursorLocation property is set to adUseClient then the recordset will be in read only mode, i.e. the recordset cannot be used to update... Read More

Question : What is oops? what is polymorphism ? does vb supports oops concept in totality? pl explain           Answers: Oops Is the concept. It is Object Oriented Technology. In Oops, concepts like, Class,... Read More

Option Base - When an array is declared by default starting index number is 0. By using this statement the programmer can change the starting index number. Well but according to coding conventions this concept should not be used. Option... Read More

Set UseMnemonic property to True Read More

Visual Basic is not supprt Inheritance and Data binding OOPS Concept Read More

ADO Objects Connection Command Recordset Parameter Field Error Read More

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ActiveX components is a group of code based on its functionality. It has methods,events and properties. Type of ActiveX components are: 1. Standard EXE 2. ActiveX DLL 3. ActiveX EXE 4. ActiveX Document 5. ActiveX Control Read More

Yes. Read More

Private can be accesses from code within class. Public can be accessed from anywhere , can be call outside of the project if it instantiate. Friend procedures invoked from code within project but not from external procedures. Read More

Listbox has refresh aswell as clear method Read More

GetCursorPos() is the API that is used to get the cursor position. Read More

When some controls like grid and third party control placed in our application then it will create frx in run time. Read More

Array you can access data using Indexes. Collection is also an array where you can access data using 'KEY' Read More

Constructors and destructor are special member functions of classes that are used to construct and destroy class objects. Read More

Yes By using Oracle driver with ODBC Connection object. Read More

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V early binding: eg: dim rs as new adodb.recordset Late Binding: eg: dim rs as adodb.recordset set rs=new adodb.recordset Read More

Public Property Get Name() As String Name = sName End Property Public Property Let Name(ByVal vNewValue As String) sName = vNewValue End Property Public Function SalaryCalulation(byVal dblDay as double, byVal dblTotalDay as double, byVal... Read More

THER ARE THREE TYEP 1)SYNTAX ERROR 2)RUNTIME ERROR 3)LOGICAL ERROR Read More

MDI is Multi Dimensional Interface. It means through a MDI form we can open multiple forms at the same time,without closing any one of them.You cannot place any control in a MDI form. Read More

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Line, Shape Read More

ActiveX exe are one of the COM Component. ActiveX exe runs doesnot run on the client application memory space. If you want to use ActiveX component remotely it is best to use AcitveX exe. Read More

one event Read More

Advantages? Read More

Object.Zorder = 1 or 0 Place a Specified mdiform form or control at the front or back of the z-order with n its Graphical Level. Read More

LOB (Large Object Data type). CLOB (Stores Character Objects). BLOB ( Store Binary Objects such as Graphic, Video Chips and Sound files). BFILE(Store file pointers to LOB It may Contain filename for photo?s store on CD_ROM). Read More

Field, Form Read More

ActiveX DLL: It is an in process server. It runs within the application time. ActiveX Exe: It is an out of process server. MS- Excel is an activex exe. when u call the excel from the vb application u can in the task manager an excel exe will... Read More

standard module: 1)place for variable declarations,procedures etc.and we can access these procedures in wherever in the project. 2)Available only for the existing modules where they are used. class module: 1)Unlike standard module,members... Read More

OCX is a user control. we can create a control of our own and use it in our projects. OCX can be created using ActiveX Controls.For example if we have a Text Box for getting Numbers only in every form and in every project we can create a Text Box... Read More

Common dialog control which have not EVENT Read More

Once you have to connect your Recordset then after that connection is no longer. You can use that Recordset as a Database and also you can manipulate. Also you can update your database with your Disconnected Recordset. Read More

The controls that do not have an Alignment property (do not confuse with the Text Align property) cannot be placed on the MDI form. For example we cannot place an Image control but a picture box control. Controls placed on MDI forms always stay... Read More

Static + Keyset Read More

In ADO Snap Shot is called so. Read More

Simple, Dropdown list ? We can type and select. Dropdown Combo ? Only Drop Down. Read More

There are three levels of scope of variables in Visual Basic,as follows: 1. Variables declared in procedures are private to procedure. 2. Variables declared at the form or module level in the form or module's (General) section using Dim,... Read More

1. adCmdUnknown 2. adCmdText 3. adCmdTable 4. adCmdStoredProc Read More

AutoSize Read More

) Connection 2) Recordset 3) Command 4) Parameter Read More

RDO is Hierarchy model where as ADO is Object model. ADO can access data from both flat files as well as the data bases. I.e., It is encapsulation of DAO, RDO , OLE that is why we call it as OLE-DB Technology. Read More

Similarly to arrays but is preferred over an array because of the following reasons. 1. A collection objects uses less Memory than an array. 2. It provides methods to add and delete members. 3. It does not required reason statement when objects... Read More

Scope sharable between projects. Read More

The Microsoft Transaction Server (MTS) is essentially a transaction managing and processing system. The Microsoft Transaction Server operates in the middle tier. A transaction is a set of operations that are tracked as a group, and either complete... Read More

We can use "try & catch (Exception)" to get error detail Read More

If You want To Trap The Error In Visual Basic Code then Write The Code In Every Procedure & Function Public Sub xxxxx() On Error Goto Err_xxxxx Err_xxxxx: if err.Number<>0 then msgbox err.description end if End Sub... Read More

Private cannot be used in front of DIM. Read More

Inprocess ? It will run with in the memory. ( Local Machine). Out of Process ? It will run out of the memory Normally in the server side. Read More

option base it is to declare the start of array. for eg. suppose an array is declsed with the dim statement. by default its start from 0 th index. using option base we can declare the start of an array from 1 ,2, or whatever. option explicit ... Read More

Data can be assigned to literals. In certain cases suffix is added so that literals can perform the calculation in a much better way. Strings can have many characters. Sometimes it is enclosed within double quotes. Read More

USer controls are controled created by users, these are Activex controls (OCX file) Read More

Standard exes are created using standard project & activex exes are created using activex project Read More

To list the hierarchical list of the node objects. Such of files and Directories. Read More

Activex in the COM control. Component Object Model. Like File Open Dialog box. Activex Control once created, it is used in many application, Distribute to many user. Main Benifit of Activex Control is Reusablity. It makes Application simple, easy... Read More

There are many conditional operators which are used to control the program flow. They look like mathematical operators. These operators cannot be neglected because they are very powerful and they let the Visual basic to compare data values for... Read More

A Visual Basic interface is an abstract class which provides a layer of indirection between a server and its clients and thus decouples a class from the clients that use it. This improves the maintainability of COM servers. Read More

If you want your applications to move out of the Visual Basic environment then it is very important to use ADO control units. Active X data control is the full form for ADO. It is interoperable and could be accessed in many data applications. Read More

OCX are the extension of active x components where as dll are library files and siple appliction is exe exe can have OCX and dll according to its usage its true that OCX and dll are faster then exe Read More

User defined functions can be created into the Microsoft spreadsheet. Spreadsheets can be customized according to the user needs by using VB applications. To create visual basic functions useful for spreadsheet you need to click Tools and select... Read More

Overloading : When you use same method name for diffrent purpose it is call overloading. For example, You can use Add(x,y) method for addition of two parameter, and you can define Add(x,y,z) for addition of three parameter in same class. ... Read More

Modal - Is a type of message box where you need to respond to it by clicking any of the buttons displayed before responding to any other windows in the background. Modeless - Is just the opposite, i.e., you are allowed to respond to other windows... Read More

IN Visual Basic have 3 types of Compatibilites is there. 1) No Compatibility :- New GUID created, references from other components will not work 2) Project Compatibility :-Default for a new component <Not as critical to mention this one>... Read More

Dim <Instance Name> as [New] <Object> like dim frm as New form1 set frm = new form1 or dim frm as form1 set frm = new form1 Read More

Instead of Trigger is used in SQL Server it used when we execute some sql QUERYsome how that query doesn't execute then Instead of Trigger is fired. Read More

It is a structure in Vb e.g. Type abc strName as string arry() as double End Type Read More

As the function can return only one out parameter, use multiple input parameters & pass them By Ref Read More

You would have to use own writter for this Read More

COM uses a method of "reference counting" to keep track of when the resources taken up by the object can be physically released. Basically it works like this. A object instance is created in a program and a reference is held against it. The reference... Read More

VSS contain backup copy of all the programm file. if u need to modify any code of running programm file, you can check in to that file and after code modification, u can check out the file and load it in running programm Read More

Type of ActiveX Components: ActiveX Exe's ActiveX Dll's User Definded controls. Read More

In case of flexgrid also you can make it editable, by placing the textbox on runtime on the cell and key in required data. This is possible with flexgrids onCellEnter and onCellLeave events. Read More

Once can use the Shell function to call any Aplication in VB 6.0. For Outlook Express one can use, Shell (msimn. exe) Read More

' Listbox Subclassing: Ported the C code found on MSDN at ' SDK Documentation/PlatformSDK/User Interace services/controls/listbox ' and Knowledgebase Article ID: Q74792 ' ' By T. Ravi Kiran. ' E-Mail: t_ravi_kiran... Read More

 Question : Differences between Dnaset& Snapshot? what is MTS? define ADO define ActiveX Answers: There are 2 major differance 1. Snapshot type Recordset is avaliable at workstation 2. Snapshot... Read More

There are 21 controls . Pointer, Listbox, Combobox, Label, Command Button, Option Button, Check Button, Tree View, DirListBox, Horizontal Scrollbar, Vertical Scrollbar, TextBox, Picture Box, Image Boz, Timer, Shape, Line, OLE, Data Control,... Read More

Messaging Application programing Interface. Read More

Windows Dialog Control Read More

Object Linking and Embeded DataBase Read More

Clear property available listbox, combo box and all?grids (db grid, microsoft flex grid, microsoft Hierarchal flex grid, vsflex grid etc) Read More

you need to create a BLOB field in oracle and in VB open the photo file in binary and use the record sources AppendChunk method to store binary data to BLOB field.and to access the photo from DB use the recordsources GetChunk method.If u require... Read More

Server=Oracle; Driver={Microsoft ODBC for Oracle};" Read More

execute regsvr from run command with the file location. Read More

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Object-oriented programming means which makes use of the OOPS concept. i.e 1. Data abstraction 2. Data encapsulation 3. Polymorphism 4. Inheritance 5. Dynamic binding 6. Message communication Examples : C++ , Java Read More

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yes , we have used,so that the business logic is seperate from the application logic and if any point of time we want to the business logic then we can change it with out affecting the application logic. Read More

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DLL runs in in-process server whereas EXE runs in out-of-process server. Applications that use in-process servers usually run faster than those that use out-of-process servers because the application doesn't have to cross process boundaries to... Read More

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Through API Viewer Read More

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Syntax error Logical error Runtime error Read More

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No Compatibility, Project Compatibility, Biniary Compatibility Read More

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Check recordsetobject.EOF = true for End Of File or recordsetobject.BOF = true for BOF File Read More

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Set Cancel property to True Read More

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NegotiatePosition Read More

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PathName, WindowStyle Read More

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Fields collection of Recordset is used. e.g. rs.Fields("colName").value=txtSomeName.text Read More

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one main difference between List Box and Combo is that Combo is compact then list box require less space on interface. Read More

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Recordset object is used to hold a set of records from a database table Read More

name Read More

To determine which controls are in-front of other controls. Read More

Enabled or Locked Read More

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AbsolutePosition Read More

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Connect/Database is the property to select,insert,update are valid property of data contrl Read More

Server Side Controls have Refresh method Read More

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ListCount Read More

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ComboBox and ListBox Read More

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Tab index for labels is used in combination with the Access Keys (Hot Keys). When user presses the Access Key (Created by using an & in the caption) for a Label the focus will be shifted to the control immediately following the Label control in... Read More

OLE is used to Create & Edit documents containing Items/Objects created by Other/Multiple Applications Read More

HTTP - Hyper Text Transfer Protocol Using this protocol web-data are transfered from server to client browser and vise versa. Read More

max 254 controls can be placed on the forms. Read More

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Caption Property. Read More

Set the UseMnemonic property to True if you want to define a character in the Caption property of the Label as an access key.Also one thing is that u should place text box to set focus because lable canot get focus in run time.Remember to set tab... Read More

cancel Read More

VB graphical user interface which can help the use which easy understand Read More

strech property Read More

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msgbox Slider.value Read More

You can't change Name, Multiline, TabIndex properties of this control. Max Size of TextBox is 65535 characters. Read More

is used to show the document progress and current sitution of command Read More

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Forward Only Some time Updateable Read More

Methods Events Begin Trans Validate Commit Trans Reposition Rollback Trans Error Cancel Query Complied Refresh Update Controls Update row Read More

RdConcurReadOnly 0 (Default) RdConcurLock 1 (Pessimistic Locking) RdConcurRowver 2 (Optimistic Lociking) RdConcurValues 3 RdConcurBatch 4 Read More

Default Cursor ? 0 ODBC Cursor (Client side) ? 1 ServerSide Cursors (More Network traffic) - 2 Read More

DateSerial(year(Now),Month(Now)+1,1) Hour, min, sec, month, year, DateSerial, dateadd, datediff, weekday, datevalue, timeserial,timevalue. Read More

Data source Name, Record Source Name Read More

This will call the top most error where the error is handled. Read More

Only in DbOpenTables. Syntax: rs.index = "empno" rs.seek "=" , 10 If with our setting the rs.index then run time error will occur. Read More

AddData, EditData, Readdata, WriteData. Read More

Dim x as RDOError X(0).Des X(1).Number Read More

By value, By ref, Optional, Param Array. Note:- Optional keyword cannot be used while declaring arguments for a function using param array. Read More

Messaging Application programming Interface. Read More

1. Calling Simply the Procedure with out Arguments "Call ProcedureName}" 2. If it is with Arguments Means then Declare the Query Def qy Set Qy as New Query def Qy.SQL = "{Call ProcedureName(? Read More

DAO, Data Control, RDO, ODBCDIRECT, ADO, ODBC API , 0040. Read More

Microsoft ODBC driver will support all the methods and properties of Visual Basic. Where as the Oracle not. Read More

In RDO ? We can call using RDO Query Objects. In ADO ? We can call using Command Objects. Read More

DbRelationDeleteCascade, DbRelationUpdateCascade. Read More

Data_Validate, Data_Error. Read More

ActiveX Data Object. ADO can access data from both flat files as well as the databases. I.e., It is encapsulation of DAO, RDO, and OLE that is why we call it as OLE-DB Technology. Objects are Connection, Record Set, Command, Parameter, field, Error... Read More

Datagrid ? Editable. Flexigrid ? Non-Editable. (Generally used for Read only purpose.) Read More

If(Msgbox("Do you want to delete this Record",VbYesNo)=VbYes)Then End if Read More

Screen.MousePointer = VBHourGlass/VBNormal. Read More

It is difficult to use database objects declared in a module from within a form. Read More

Predefined, Custom, User Defined. Read More

Simple ?Single Select , Extended. ? Multiple Select. Read More

No. Read More

Public, private, Friend Read More

Instance of specific copy of a class with its own settings for the properties defined in that class. Note: The implicitly defined variable is never equal to nothing. Read More

Its Scope will be available through out the life time. Read More

Properties ? Public variable of a Class Method ? Public procedure of a class Read More

It is tab control to place our controls with in the form in multiple sheets. Index starts with 1. And to identify If Tabstrip1.SelectedItem.Index = 1 Then ?.. End if Read More

Create Object - To create an instance of an object. Get Object ? To get the reference to an existing object. Read More

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Dynamic link library Read More

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No Properties Available. Only the methods they are SetText, GetText, Setdata(), Getformat(), Clear. Read More

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Generic Variable: Create Object Ex:-Ole-Automation . No need refer the object library. Specific Variable: Binding Procedure Early and Late Binding ( Can be Remove from the Memory). Read More

Store the images and apply it to MDI form Read More

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64 Read More

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Declare function "<Function Name>" lib "<Lib Name>" Alias "<Alias Name>" (Arg, ?..) as Return type. Read More

Private ? Only for the Specific Module. Public not creatable ? Private & Public Multi Use - Variable we have to declare. Single Use ? Not possible through dll. Global Multiuse ? Have variable not Required to Declare. Global Single Use -... Read More

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Std Global with in the project. Cls Global through out the all project only thing is we want to set the type lib. Class Modules can be Instantiated. Read More

And what is it number? Read More

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Null*4=0 will result in NULL So null*any value=0 will also result in NULL... Read More

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For each currentcontrol in controls if typeof currentcontrol is TextBox then end if next Read More

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Control. Restricted data input as well as formatted data output. Read More

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Compiling the component, running REGSVR32 MyDLL.dll Read More

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Dim obj as OBJ.CLASS with eitherSet obj = New OBJ.CLASS orSet obj = CreateObject(OBJ.CLASS?) orSet obj = GetObject( , OBJ.CLASS?)orDim obj as New OBJ.CLASS Read More

Assigning variable with defined memory space. Late Binding - Memory size is allotted in later stage. Ex:- Dim x as object Early Binding - Memory size is allotted while declaring itself. New Key word is important. Ex:- Dim x as New Object Read More

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Binding Read More

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The area under which the container provides the view of the ActiveX Document is known as a view port. Read More

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Function will return value but a sub procedure wont return values? Read More

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ISOperator ? Returns Boolean. Read More

Activex dll is more faster than Activex exe. Activex dll runs within the application time, whereas exe takes separate space. Read More

15/4 = 3.75 and 154 = 3 Read More

instantiating refers the creation of object with the means of class Read More

Dateadd(), Datediff(), Datepart(), Cdate() Read More

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Types .exe, .dll, or .ocx Read More

255. Read More

Activex are user defined controls which makes application simple and easy to understand. Read More

32,000 Read More

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2,048 Read More

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1024 Read More

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) If the user forgets to opt for keep session then the session will be automatically removed from the session queue(log remains). However if session is processed we may delete it manually. ii)if session processing fails data will not be transferred... Read More

Once you have declared the possible record types as field groups and defined their structure, you can fill the extract dataset using the following statements: EXTRACT. When the first EXTRACT statement occurs in a program, the system creates the... Read More

-->Property Get is rather simple: it always returns a value. Public Property Get Caption() As String Caption = m_Caption End Property Me.Caption = UserControl1.Caption --> Property Let is used when you pass a variable. ... Read More

step 1: creating domains(data type, field length, range). step 2: creating data elements(properties and type for a table field). step 3: creating tables. Read More

64 Read More

VB partly supports oops concepts.It does not support inheritance & data binding Read More

Batch input session is an intermediate step between internal table and database table. Data along with the action is stored in session ie data for screen fields, to which screen it is passed, program name behind it, and how next screen is processed. Read More

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Class is a Template Object is an Instance of a Class Read More

Embedding objects - When you embed an object, a copy of the object is inserted into the destination document. There's no link to the original file. When you change information in the source document, no changes will be reflected in the... Read More

public variable in the form is local to that form only it is not possible to access out side of the form , where as in module it belong to entire application Read More

Dynamic Data Exchange Read More

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It is not answer: its suggetion Dear administrator Can you highlight with the blue color to those question which have answer is not available. Reader can save his time. He will not generate unnecessary click event for that questions Read More

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yes,You can. By connection pooling you can established 5 SQL server Data base. Read More

Crystal Reports are the proprietary of their owners and can't be made again. But you can surely use them within your Visual Basic programs. Ask proper questions. Please Read More

Visual basic is a event driven language from Microsoft for its Component object model programming language. It is associated with integrated development environment of Microsoft. It enables RAD tools and accesses the database using RDO and DAO. Read More

Event driven programming language chiefly depends upon the user and sensors (functionalities) implemented by the developer. It is also dependent upon the messages from other programs. Programming is divided into two events one is event selection and... Read More

Primarily visual basic was designed for simplicity. It allows programmers to develop GUI applications and also complex applications. It is much concerned with arranging complex functions to graphical controls onto a form for greater functionality.... Read More

Forms are basically created in the form of drag and drop techniques. Predefined tools can be placed on the form which defines the form compatibility. Default values are present in the form which can be changed by the programmer for efficient... Read More

Visual basic can create EXE files, DLL files, Active x controls, etc. It is primary goal is to create windows applications and desktop applications. Pop up capabilities can be created with the help of Visual Basic for web interface. This has made... Read More

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click If TextBox1.Text = "1" Then Dim textbox As New System.Windows.Forms.TextBox textbox.Name = "one" textbox.Text = "hello" Me... Read More

Visual basic can be used for server side scripting. A component designed with Visual basic will not have any user interface instead provides the functionality of Active X to other programs via COM. This form of technique allows server side... Read More

Flex Grid is a control which facilitates display of tabular data on a Form, along with the facility of Adding a Row, Deleting a Row and Sorting of records etc. It can be coded to allow user to enter values in it.   Read More

Both uses different compiler to compile the code Read More

Arrays are declared in a similar way to Pascal and FORTRAN. They are specified by the upper and lower bonds. Option base statement is also used to set the default lower bond. Lower and upper bonds are programmable. Read More

After the delete code u cna just write "formname.show"..set teh location postions of the form during run time.... Read More

There are different procedures associated with the object some of them are Activate, Dblclick, Click, keypress, DragDrop, etc. Every object has its own set of procedures. Object can be selected and code can be written which can module the application... Read More

Control properties help in determining the appearance and its function characteristics with the event procedure. Certain properties should be written before setting its characteristics for working on application. Actually you should define its... Read More

This cannot have user interface. This can be used for the COM creation. Read More

There are 4 types of cursors in ADO which are Dynamic,Keyset,Static and Forward only. There are 4 types of locks in ADO which are Optimistic, Pessimistic, Batch Optimistic and Read only Read More

The Microsoft FlexGrid (MSFlexGrid) control displays and operates on tabular data. It allows complete flexibility to sort, merge, and format tables containing strings and pictures. When bound to a Data control, MSFlexGrid displays read-only ... Read More

Data source name.contains information about how to connect to the specified provider. User DSN,System DSN,File DSN Read More

First create ADO objects (Conection,Command) Let us assume, connection object as ObjCon Command object as SqlCmd SqlCmd.CommandType = adCmdStoredProc Sqlcmd.CommandText="StoredProc_Name" Read More

Dynamic Dynaset ForwardOnly Snapshot Table Read More

The area under which the container provides the view of the ActiveX Document is known as a view port. Read More

RdOpenFowardOnly 0 (Default used only for the read only purpose) RdOpenStatic 1 RdOpenDynamic 2 RdOpenKeySet 3 (Normally used for the live project) Read More

Go to components and add a new ocx file Read More

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Invalid procedure call or argument (Run time error ? 5) Read More

Some of the rules which should be followed while naming a variable in VB are as follows: - 1) Characters should be less than 255. 2) Space between characters should be allowed. 3) A variable should begin with a number. 4) Period may not be... Read More

A variable should be declared by assigning them name and data type before using them in the code. They are generally declared using the Dim statement in the general section of the codes. In case you forget to define the data type VB will declare it... Read More

Question : How to write SQL query in Database environment, the query is parameterized eg: select * from account where accno=x x: has to be taken from an Input box                 Answers: ... Read More

N number Read More

Some controls, such as the picture box and Image controls, have properties that use binary data as their values. Visual Basic stores the binary data in an FRX file with the same file name as the Form file. The .FRX file is a proprietary format. Read More

Bypasses the Creation of a stored procedure to execute the query. Does not apply to Oracle. Read More

Differences Btn Datagrid, flexgrid. 1. Datagrid is Editable, flexgrid is Diplay only. 2. Data binding is possible with datagrid but not with flexgrid. Read More

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Raise Event Read More

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When Option Explicit appears in a file, you must explicitly declare all variables by using the Dim or ReDim statements. If you try to use an undeclared variable name, an error occurs at compile time. Use Option Explicit to avoid incorrectly... Read More

ByVal is by default as ByRef is used to pass Value by Reference Read More

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Which is new version of visual basic ?and what is difference between vb 5.0 and vb 6.0? Read More

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Object Linking and Embeded DataBase Read More

the following are the three types of comboboxes: DROPDOWN COMBO(STYEL0) SIMPLE COMBO (STYEL1) DROPDOWN LIST(STYEL2) Read More

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Locking is the process by which a DBMS restricts access to a row in a multi-user environment 4 types of locks. They are 1. Batch Optimistic 2. Optimistic 3. Pessimistic 4. ReadOnly Operations in a relational database act on a complete set of rows.... Read More

3. 1- Dynaset, 0 ? Table, 2 ? Snap Shot. Read More

Any control bound to Data Control. Ex:- Textbox, Check Box, Picture Box, Image Control, Label, List box, Combo Box, DB Combo, Read More

Libraries of procedure external to the application but can be called from the application. Read More

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Group of control share the same name. Max 32, 767. Read More

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State 0 ? Source control is being dragged with the range of a target. 1 ? Out of the range of a target. 2 ? One position in the target to another. Read More

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Activex dll is an inprocess server that is it runs within application. Activex exe is an out of process server that is it takes separate space. Activex dll is faster than Activex exe. Read More

In the general declarations section. To trap undeclared variables. Read More

2. function and sub procedures Read More

Only in DbOpenTables. Syntax: rs.index = "empno" rs.seek "=" , 10 If with our setting the rs.index then run time error will occur. Read More

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Instr integer (Numeric position) Strcmp - integer ( if both the string are equal they result = 0) Strcmp (Str1, Str2, Comparetype) Comparing mode = 0 Binary Comparing 1 Textual Comparing Read More

It is a Graphical user Interface language. as a proverb "a picture is worth a thousand words" it was developed with a desktop filled icons and with programs that use mice and menus. Read More

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No transparent table do not exist with the same structure in the dictionary as well as in the database, exactly with the same data and field. Read More

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rdoEngine Object Supported Unsupported Properties rdoEnvironments rdoDefaultCursorDriver, rdoDefaultErrorThreshold, rdoDefaultLoginTimeout, rdoDefaultPassword, rdoDefaultUser, rdoErrors, rdoLocaleID, rdoVersion Methods rdoCreateEnvironment,... Read More

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when we start the VB6 at that time screen/form you can see it is call default workspace. Read More

Visual basic is not case sensitive unlike many other programming languages. Visual basic transforms keywords into a standard configuration. Also it matches the case of the entry with the symbol table entry. String comparisons are case sensitive. Read More

Dao is data access object used for accessing data before ado it was used for database installed on same sys where the application resides. Rdo Remote data object this was used for accessing remote data Ado Active data object most powerful till... Read More