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VB.NET Interview Questions

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What is .Net?

Asked By: pradeep kumar | Asked On: Sep 13th, 2005

Explain about.Net technology

Answered by: venkat on: May 20th, 2013

.net is a framework implemented by Microsoft were we can develop different languages applications.

Answered by: Debishree Acharya on: Jan 4th, 2012

.net is a component oriented and object oriented environment, which is based on distributed architecture for creating applications.

What is misl code?

Asked By: pardeep | Asked On: Mar 7th, 2007

Answered by: Gaurav Bhutra on: May 1st, 2013

An assembly contains CIL code, which is conceptually similar to Java byte code in that it is not compiled to platform specific instructions unit Absolute Necessary. Absolute Necessary is the point at which block of CIL instructions is referenced for use by the .NET runtime

Answered by: NAVNEET BANA on: Aug 12th, 2012

MISL AND JIT COMPILATION

Which methods declared using modifiers are not accessible out side the vb.Net project

Asked By: kamran110 | Asked On: Mar 16th, 2013

Answered by: MC Chin on: Mar 17th, 2013

friend method.

Vb.Net 2-dimensional array

Asked By: Myra13 | Asked On: Nov 5th, 2007

How do you search within a 2-dimensional array using vb.Net? How can I know that a value already exists in the array?

Answered by: Andoulla on: Nov 12th, 2012

Use two for loops.
one for the columns and one for the rows.
exit for as soon as you find the value (preferably return true that you found the value)

Answered by: pradeepadkm on: Dec 29th, 2007

Dim arr(1, 2) As String       arr(0, 0) = "Sandip"       arr(0, 1) = "India"       arr(1, 0) = "Jon Doe" ...

Vb.Net testing

Asked By: gnohc10 | Asked On: Jul 16th, 2008

What's involved in end to end vb.Net testing?

Answered by: Sandhya.Kishan on: Jun 18th, 2012

A software once completed goes though rigorous testing before its actual integration.It also goes through different types of software testing and also different types of integration. The different ty...

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 ?

Asked By: Hari | Asked On: Aug 10th, 2006

Answered by: Sekhar on: Feb 5th, 2012

In VB there is no CLR.Vb programs are compiled using VB compiler...
In VB.Net there is a common compiler called as CLR.

Answered by: sumanth gowda on: Nov 29th, 2011

VB.Net its purely object oriented language, but not VB VB.Net it support multi-threading, but VB not so both VB VB.Net support command line prog. both support COM COM++ Main thing is VB.Net is stron...

Please list some final year projects that can be done using vb.Net in the application level.

Asked By: jojo | Asked On: Oct 10th, 2005

Answered by: sumanth gowda on: Nov 29th, 2011

Process Audit Compliance

Answered by: shikha kenu on: Apr 20th, 2007

You can go for internet control of robot.1. use chips:- at89c51 microcontroller, l293d motor driver n max232 converter (for robot)2. using vb.net, develop the gui n use winsock programming for sending...

What make .Net a language independent platform options are:1.) msil2.) il3.) clr4.) jit

Asked By: Anuja | Asked On: Jul 20th, 2007

Answered by: sumanth on: Nov 29th, 2011

CLR

Answered by: Kanchan on: Nov 27th, 2011

CLR is common Langauge Runtime.it is used to execute code.Code of .net is convert into MSLI(Microsoft Intermediate Language)/IL(Intermediate Language)using .net compiler JIT converts this code into native code that understood by operating system.

Vb variable declaration

Asked By: shaik | Asked On: Nov 23rd, 2011

It is a function for popup window window.Opener.Document.Emmsform.Fileidhid.Value = document.Emmsform.Fileidhid.Value; but in the coding it is declare like this n showing error at fileidhid.Value is not declared if fileidhid.Value= "" then fileidhid.Value = request.Params("fileid") in the aspx...

What is the size of .Net object?

Asked By: Biswajeet Das | Asked On: Jun 20th, 2007

Answered by: raj on: Oct 19th, 2011

12 bytes

Answered by: ganesh_salpure on: Dec 20th, 2007

Each instance of a reference type has two fields maintained by the runtime - a method table pointer and a sync block. These are 4 bytes each on a 32-bit system, making a total of 8 bytes per object ...

How can we connect any camera and detect by vb.

Asked By: sujit1990 | Asked On: Oct 14th, 2011

Vb.Net date conversion

Asked By: vineeladudhekula | Asked On: Apr 18th, 2008

How to convert mm/dd/yyyy to dd/mm/yyyy.

Answered by: nickycym on: Sep 14th, 2011

Once the data is converted into Date type, then you can work out any format of information from the variable

Code
  1. dim strDate() as string = "MM/dd/yyyy".split("/")
  2. dim myDate as new Date (strDate(2), strDate(0), strDate(1))
  3.  
  4. msgbox(format (myDate, "dd/MM/yyyy"))
  5.  

Answered by: smother on: Aug 30th, 2011

Go to Control panel >> Regional and Language settings >Customized>Change Time Format(hh/mm/ss/tt) and Short Data Format (dd/MM/yyyy)..if your using Windows 7..just try to do as the same.

Visual studio .Net windows-based application

Asked By: Sudiya | Asked On: Jun 13th, 2008

You use visual studio .Net to create a windows-based application. The application includes a form named graphform, which displays statistical data in graph format. You use a custom graphing control that does not support resizing.You must ensure that users cannot resize, minimize, or maximize graphform....

Answered by: nickycym on: Sep 14th, 2011

A. Set GraphForm.MinimizeBox to False.
B. Set GraphForm.MaximizeBox to False.
F. Set GraphForm.FormBorderStyle to one of the Fixed styles.

Answered by: yyoo79 on: Sep 7th, 2010

Following 3 - A,B,F

Data manipulation using datagridview in vb.Net 2005

Asked By: sanyogita | Asked On: Jul 25th, 2011

I would like to ask that in a master detail form I want to add / delete / modify records in master or detail (datagridview ) with the help of different buttons. My problem is I am not able to do this in datagridview. I used dataadapter and update method and various other things but I could not do it....

How to stop a form refresh in vb.Net windows application

Asked By: jayawant.sawant | Asked On: Apr 29th, 2011

Hi all,i am used in me.Showintaskbar property to remove application from taskmanager.But it removes the form(application)it still refreshes.How to stop the form refresh.To avoid that issue please help me.Thanks,

Answered by: Crystal Sluka on: Jun 28th, 2011

Set the autopostback property of the control = to false

What is the base class of .Net?

Asked By: Steve | Asked On: Dec 30th, 2005

Answered by: Sridhar Mallipudi on: May 14th, 2011

System.Object

Answered by: Laxmi Rajan on: May 9th, 2011

system.object

How to remove application name form application tab in task manager using vb.Net windows application

Asked By: jayawant.sawant | Asked On: Apr 26th, 2011

Hi all,in my project is also administrator purpose also.I have not found solution about how to remove application from task manager using vb.Net windows application.In vb.Net I have not found properties of application with respect of that issue.But in vb it have properties of app.Task visible then it...

What do you mean by 'option strict on' ?

Asked By: Interview Candidate | Asked On: Jul 12th, 2005

Answered by: Sejal Shah on: Mar 8th, 2011

Its for data type

Answered by: mubin4all on: Apr 7th, 2009

Variable must have appropriate data type.

Vb.Net list box

Asked By: hemantkumar43 | Asked On: Jun 4th, 2008

How can I retrieve records of a column having certain criteria and display the records in a list box? Please help me...

Answered by: SunilDadaDbms on: Jan 5th, 2011

Get the data from db in list of strings or key value pair

finaldatesource=db calll


With listbox

.datasource=finaldatesource
.datatextfield="EmplyeeNAme"
.datavaluefield="EmplyeeNumber"
end with
EmplyeeNAme, EmployeeNumber are coloumns in DB

Answered by: jsubha2009 on: Dec 7th, 2009

Create a connection object in OLEDB or SQL and set the possible parameters.Create a OLEDB DataAdapter or SQL Data Adapter and populate a dataset through the data adapter object.Then set the value...

Windows-based application code segment

Asked By: Sudiya | Asked On: Jun 13th, 2008

You develop a windows-based application that includes the following code segment. (line numbers areincluded for reference only.)01 public sub password_validating (byval sender as _02 object, byval e as _03 system.Componentmodel.Canceleventargs)04 handles password.Validating05 if validpassword() = false...

Answered by: SunilDadaDbms on: Jan 5th, 2011

e.Cancel = True
This will work when you decalred e as system.componentmodel.canceleventArgs

I hope I answered correctly

Answered by: MrinalShendey1325 on: Aug 5th, 2009

e.cancle = True

If the input in the control does not fall within required parameters,the property within your event handler can be used to cancel the Validating event and return the focus to the control.

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