The Finalize method is actually executed by the runtime on a special thread allocated by the Garbage Collector (GC).The Finalize method is executed whenever the runtime feels it is appropriate, such as when a low-resource condition occurs and this... Read More

The System.Environment namespace includes the functionality to get the environment information such as the UserName and OS Version. File name is SystemInfo.vb Imports System Class SystemInfo Shared Sub main() Console.WriteLine("") ... Read More

Question : How does CLR solves dll hell? How does it achieves Profiling and debugging services and Simplified deployment and versioning? Answers: Unlike VB6; .net does not require to generate GUID for the dll's. The... Read More

August 30th, 2009 by sd | Posted in Uncategorized Some classes in the Standard Library do not have a virtual destructor or virtual member functions by design. These classes include std::string, std::complex, and all STL containers. The lack of a... Read More

The main difference between .dll and .exe is .dll is the In process component where it take up the client's memory space to run. So the communication between the application and component(dll) is very fast. .EXE is the Out of process... Read More

using CommonDialog class eg: the code to invoke the default font dialog box by using the FontDialog control is given below: private sub displayfont_click(byval sender as system.object,byval e as system.eventargs) handles displayfont... Read More

To convert the format of an image you need to use the System.Drawing namespace. Using this code you can convert to a variety of graphic file formats, such as GIF or JPG. The following example converts a user prompted Bitmap image file into .Gif... Read More

pictureBox.image=openImage('ImagePath') Read More

VB does not support inheritance,but VB.NET supports that. VB supports interfaces,but VB.NET fully supports interface based programming. VB does not support polymorphisms,but VB.NET supports that. VB is OOPS based,but VB.NET completely supported... Read More

There are quite a few differences in VB6 and VB.NET. We will highlight some of these here in points: * The greatest change in VB6 and VB.NET is of runtime environment. VB6 used the VB-Runtime while VB.NET uses the .Net Common Language Runtime (... Read More

Working with Dates is one to think about. Especially if your data needs to be spread accross timezones Also there are different date formats to take in to consideration. VB.NET Has some good Date() Functions, one of which is demonstrated below: ... Read More

The following code uses the System.NET.DNS namespace to access the "computer name" and it's IP address. Option Strict Off Imports system Imports System.Net.DNS Public Class GetIP Shared Function GetIPAddress() As String Dim sam As System.Net... Read More

.NET has many new features and application supportive tools. To remove Microsoft visual basic name space all you have to do is to 1) Remove the import manually every time you start the project. 2) Creating a template which does not contain... Read More

Exceptions are Runtime errors that occur when an unexpected process causes the program to abort. Such kind of situations can be kept at bay using Exception Handling. By looking for potential problems in the code / entity life cycle, we can handle... Read More

.Net is the Development Platform which provides advanced feature facilities for the web and window application along with the window services . The .Net is the Middle layer between the operating System and the .Net application .The feature of .Net... Read More

VB.NET is a windows application Where as C# is a console Read More

Satellite assemblies are user for localizing the applications resources. A satellite assembly is a DLL that contains only resource strings .we typically have one satellite assembly DLL for each language. Because these satellite assembly DLLs... Read More

Question : 1)What is the difference between vb and vb.net ? 2)How to insert row by row data in datagrid ? 3) How to work with repeater controls and give small example program ? Answers: vb is object based and vb.net is object... Read More

system.string is immutable,system.string builder was designed with the purpose of having a mutable string where a variety of operations can be performed. Read More

Visual Basic language in general does not require explicit syntax to be used when performing operations that might not be optimally efficient (e.g. late binding) or that might fail at run time (e.g. narrowing conversions). This permissive semantics... Read More

Array is the collection of values of the same data type >the variables in an array is called array elements >Array is a reference type data type >The array structure in System's Memory Array list is a class . >when you want... Read More

Private Sub ButtonAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonAdd.Click AddHandler Button2.Click, AddressOf MyOtherClick End Sub Private Sub ButtonRemove_Click(ByVal sender As System.Object, ByVal e As... Read More

In VB to implement a disconnected recordset, after you have filled the recordset with the data, set its active connection property to "Nothing". That breaks the connection to the database.You can locally also save the data of the recordset by using... Read More

Question : Is it possible to create a folder on the specified location in the database through VB.net. My Requirement is to create a folder on the given location in the database .     Answers: yes Read More

SQL Server supports the ability for clients to store objects within tables Read More

the settings made in the web.config file are applied to that particular web application only whereas the settings of machine.config file are applied to the whole asp.net application. Read More

System.Object is the base class of .NET It Supports all classes in the .NET Framework class hierarchy and provides low-level services to derived classes. This is the ultimate superclass of all classes in the .NET Framework; it is the root of the... Read More

Garbage collection is the mechanism to release memory from unused objects and components of the application. Read More

VB.net is pure OOP language Read More

A namespace is a collection of different classes which are built into .NET. This very much like packages in Java. You need to import these namespaces to work with any .NET language. All the functionality of .NET is within these namespaces. The main... Read More

Define Jagged Arrays The other type of multidimensional array is the jagged array. A two dimensional jagged array can be thought of as a table where each row can have a different number of columns. Take for example, a table where families are the... Read More

To Connect to sqlServer2005 in vb.net use simple code SqlConnection con=new SqlConnection("Server=(local);Initial Catalog=" DATABASE NAME";Integrated Security=SSPI") con.open() SqlDataAdapter AD= new SqlDataAdapter("SELECT COMMAND",con) DataSet... Read More

Anonymous type is a feature of VB.NET and it allows data types to be created from the code which requires it. This feature is present in VB as well as C#. They should be stored in variables declared with the keyword VAR. Dynamic typing is different... Read More

Console Applications have only recently been introduced in VB (Excluding VB for DOS). They are command line based and run in within a DOS Shell (DOS Window). Unlike Windows Applications, Console Applications do not support Windows GUI's. Which... Read More

The Option statement is used to prevent syntax and logical errors in code. The possible suffixes of this statement are: * Option Explicit: Is the default abd is On. Option Explicit requires declaration of all variables before they are used. *... Read More

The following code shows how text can be converted from lower case to upper. Module Module1 Sub Main () Dim str1 as String=?Welcome to String? Dim str2 as String Str2=UCase(str1) Or Str2=Str1.ToUpper System.Console.WriteLine(str2) End Sub... Read More

Destructors are used to de-allocate resources i.e. to clean up after an object is no longer available. Finalize is the destructor which is normally used. Finalize is called automatically when the .NET runtime determines that the object is no longer... Read More

The CType is pretty generic conversion Function. The example below demonstrates using a CType Function to convert a Double value to an Integer value. Module Module1 Sub Main() Dim d As Double d = 132.31223 Dim i As Integer i = CType(d, i) ... Read More

August 30th, 2009 by sd | Posted in Uncategorized WinMain() -> Wnd class registration ->window creation- > Run loop( message loop) VC++ FAQ?s And Interview Questions and Answers Popularity: 6% [?] There are no responses yet Leave... Read More

Through SOAP Protocol Read More

Visual basic is associated with the IDE of Microsoft. It is basically useful to implement RAD of GUI. Creation of Active X scripts are very easy and efficient through VB. Windows API can also be used to create application on windows desktop and... Read More

.NET is a Microsoft Framework and a software component. .NET has a large library of pre-coded solutions which provided developer significant help in developing applications with solutions already present. It offers reliable security and cross... Read More

Some of the features present in VB 2005 are as follows: - ? Edit and continue: - It allows developers to modify and execute applications almost simultaneously. ? Namespace: - This provides access to various parts of the .NET framework and it also... Read More

Rapid action development tool describes about the software development process. This tool gives flexibility in iterative development and prototype deployment. It enhances the speed of application development. It is also used for application... Read More

This is used in conjunction with Microsoft .NET platform and is a successor to visual basic sixth version. Visual basic is used in conjunction with.NET Framework. This tool has a serious defect it is not compatible with Microsoft visual basic sixth... Read More

When compared with the rapid development of open source tools for other languages from Microsoft (C#, etc) we can say that development of tools for VB has been slow. Mono development platform is one which is implementing VB libraries and is working... Read More

Visual basic 5 and 6 are efficient in coding the code to native or P-code depending upon the programmer. Portability is a major addition to the performance of VB.NET and the code is also small. Additional layer is provided which interprets the code... Read More

.NET Frame work includes two languages which are language to IL compilers and in this C# and VB.NET are provided. The importance and flexibility of these as better programming languages is still questionable. Visual basic has been updated and... Read More

VB was always a RAD tool and it was always user friendly for any type of user whether professional or not. It also provided many users with shortcuts and features which made this language popular among many users. It had its share of debugging and... Read More

Some of the features which are exclusive to VB are as follows: - 1) Name space can be hidden which can be disabled. 2) Certain project files can be hidden and a user can show them if he intends to do. 3) Lots and lots of shortcuts are present... Read More

There is only one feature which is common to all languages and that is Garbage collection or GC. This feature is automated which relieves developers of much work. This garbage is disposed only when there is need of memory or stress for memory. GC... Read More

Some of the features which are not present in VB are as follows they are: - 1) It supports unsafe code blocks for improved performance. 2) Partial interfaces and anonymous methods. 3) Multi line comments and static classes. Etc Read More

This keyword prevents a class from directly instantiated. This keyword forces users to create references to only derived classes. This keyword is present in C# as abstract and it is very useful in creating applications. Read More

There is a tool available which can convert old visual basic functions into new .NET code. Artin soft Visual basic upgrade Companion is very useful in converting VB code into .NET code. This tool was developed by Artin. This tool is integrated in... Read More

Ruby interface generator is primarily responsible for providing the visual part of the Visual basic and this was clubbed with ?EB? designed for Omega database system. VBX interface was added to this feature which had the ability to load dynamic... Read More

PictureBox1.Image = Image.FromFile("C:olympics08_basketball.gif") Read More

Attributes are items that hold information about items we are using in VB.NET. They are used when VB.NET needs to know more than what standard syntax can specified. Attributes are enclosed in angle brackets<>. Example: To call a Windows API... Read More

Enumerations are new in VB.Net (As apposed to VB(i)) and they are used to group related sets of constants. To create a Enumeration you use the Enum statement. Example using a Enumeration Module Module 1 Enum Months January=1 Feburary=2 March=3... Read More

Question : The following code shows how text can be converted from lower case to upper. Module Module1 Sub Main () Dim str1 as String=?Welcome to String? Dim str2 as String Str2=UCase(str1) Or Str2=Str1.ToUpper System.Console... Read More

Delegates are used to work with the address of procedures. This is much like pointers in C and C++. Sometimes it's useful to pass the location of a procedure to other procedures. Example working with Delegates: Module Module1 Delegate Sub... Read More

An InputBox function is much like a ?Javascript prompt window which allows the input of text. To work with the InputBox, drag a Command Button and a TextBox from the Toolbar. Opon clicking the Command Button the InputBox prompts asks for a name.... Read More

The VB terms Docking and Anchoring are used to make sure that a control covers the whole client area of a form. Upon "docking" a window, it adheres to the edges of it's container (the Form). To "dock" a particular control, select the Dock... Read More

The following code demonstrates how to read and write to an XML file. <?xml version="1.0" standalone="yes"?> <Document> <Customer> <Name>Sandeep</Name> <Age>23</Age> <Occupation>Developer... Read More

The following code creates a text file and inserts some text. Imports System.IO Public Class Form1 Inherits System.Windows.Forms.Form Private Sub Form1_Load(ByVal sender As System.Object, ByVal e_ As System.EventArgs) Handles MyBase.Load Dim... Read More

The following code demonstrates the ability to work with an interface. An interface defines a method's name and not it's contents. Imports System Imports Microsoft.VisualBasic Public Interface NewInt Sub Mysub() Function MyFun() As String... Read More

Question : Destructors are used to de-allocate resources i.e. to clean up after an object is no longer available. Finalize is the destructor which is normally used. Finalize is called automatically when the .NET runtime determines that the... Read More

To get version information at Runtime in VB .NET, use the following code: Function Version() As String With _ System.Diagnostics.FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly.Location) Return .FileMajorPart &... Read More

Managed code is the code that is written to target the services of the Common Language Runtime (CLR). In order to target these services, the code must provide a minimum level of information to the runtime. All of the C#, Visual Basic .NET and J# ... Read More

An Assembly is the building block of a VB.NET application. An Assembly is a complied and versioned collection of code and metadata. Once complete forms an "atomic" functional unit. Assemblies come in the form of a Dynamic Link Library ( DLL) file... Read More

To learn the path of your running application, do the following. Drag a Textbox and a Command Vbutton from the ToolBar and use the following code. Public Class Form1 Inherits System.Windows.Forms.Form 1. Region " Windows Form Designer... Read More

To get the screen resolution of your current working area use the System.Windows.Forms.Screen.PrimaryScreen.Bounds property Read More

To run a .EXE file from a VB.NET application you need to import the System.Diagnostics namespace. The following sample shows how to run Notepad from a VB.NET application. Imports System Imports System.Diagnostics Dim program As New Process() ... Read More

You can do lot of projects on .net platform.My students are doing under my guidence. 1.3 tier shopiing cart with /without paypal system. 2.billing system with data encryption. you can check my article at:www.codeproject.com article name... Read More

Question : Can any body tell me the code procedure for preparing parameterized cristel reports.the report should be generated by taking to or more parameters. example: report should be genarated FROM DATE to TODATE Answers: ... Read More

Declare Only Get function of the property Read More