[OneStopDotNet] 30 VB.NET Quetions mostly asked in Interviews - Coolinterview.com

 

VB.NET INTERVIEW QUESTIONS Download Free Interview Questions eBook of 500 Questions (If you do not have a Yahoo! account, you can get it by simply sending a blank email to CoolInterview-Subscribe@yahoogroups.com and confirm the verification email received. Once your email is confirmed, we will instantly send the download link to you.) VB.NET Interview Questions Differences between VB.Net and C#, related to OOPS concepts http://www.coolinterview.com/interview/9137/ How can i extract the formated word(bold,italic,underline,font,color etc) from the msword file. http://www.coolinterview.com/interview/9138/ How VB Implements the Disonnected Architecture as like VB.Net? http://www.coolinterview.com/interview/9139/ How to send xml file on server using HTTP protocol? http://www.coolinterview.com/interview/9140/ Whats the difference bt. .dll extension and .exe extension files? http://www.coolinterview.com/interview/9141/ How does CLR solves dll hell? How does it achieves Profiling and debugging services and Simplified deployment and versioning? http://www.coolinterview.com/interview/9142/ What is the base class of .net? http://www.coolinterview.com/interview/9143/ Please list some final year projects that can be done using vb.net in the application level. http://www.coolinterview.com/interview/9144/ 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 http://www.coolinterview.com/interview/9145/ What is .net? http://www.coolinterview.com/interview/9146/ How can we remove Handlers at Run time ? http://www.coolinterview.com/interview/9147/ What are Satellite Assemblies? http://www.coolinterview.com/interview/9148/ What are Jagged Arrarys ? http://www.coolinterview.com/interview/9149/ What do you mean by 'Option Strict On' ? http://www.coolinterview.com/interview/9150/ 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 ? http://www.coolinterview.com/interview/10652/ How to store and retrieve images in SQL server database through VB.NET? http://www.coolinterview.com/interview/10653/ What is different between Web.Config and Machine.Config and Where it will be ? http://www.coolinterview.com/interview/10654/ Differences between VB.Net and C#, related to OOPS concepts http://www.coolinterview.com/interview/10655/ what is non_deterministic finalization? http://www.coolinterview.com/interview/11050/ what is the difference between string and stringbuilder? http://www.coolinterview.com/interview/12252/ How do you define a read only property in a class module? http://www.coolinterview.com/interview/12507/ Difference Between Array and array list? http://www.coolinterview.com/interview/12584/ What do you mean by Garbage Collection in VB.net http://www.coolinterview.com/interview/12809/ 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 . http://www.coolinterview.com/interview/15102/ What is the source code for display the picture in button click event? http://www.coolinterview.com/interview/15700/ I want to use picture box control and the Images in the picture box should change according to my selection plz specify the codes relating to this..... http://www.coolinterview.com/interview/15867/ what is difference between vb and vb.net? http://www.coolinterview.com/interview/16001/ Difference between VB and VB.NET? http://www.coolinterview.com/interview/16087/ In vb.net2005 how to connect sqlserver2000 and display them fields in crystal report.. http://www.coolinterview.com/interview/16122/ Sir my name is riyaz and my question is Object class in VB.net supports all classes in .net frameworks iam creating DLL where i created a function Public Sub BindListControl( ByVal Lst As Listbox, ByVal sql As String, ByVal TextField As String, Optional ByVal ValueFld As String = "") Dim ds As New DataSet Dim Ad As New SqlDataAdapter Dim Cmd As New SqlCommand Try If cnn2.State = ConnectionState. Closed Then OpenConnection2( ) With Cmd .Connection = cnn2 .CommandType = CommandType. Text .CommandText = sql End With Ad = New SqlDataAdapter( Cmd) Ad.Fill(ds, "tmp") Lst.DataTextField = TextField If ValueFld <> "" Then Lst.DataValueField = ValueFld End If Lst.DataSource = ds Lst.DataBind( ) Catch ex As Exception Current.Response. Write(ex. Message) Finally ds.Dispose() Ad.Dispose() Cmd.Dispose( ) 'cnn2.Close( ) End Try End Sub ------------ --------- --------- --------- --------- --------- - and Then i replaced function with Object ------------ --------- --------- --------- --------- --------- - Public Sub BindListControl( ByVal Lst As Object, ByVal sql As String, ByVal TextField As String, Optional ByVal ValueFld As String = "") Dim ds As New DataSet Dim Ad As New SqlDataAdapter Dim Cmd As New SqlCommand Try If cnn2.State = ConnectionState. Closed Then OpenConnection2( ) With Cmd .Connection = cnn2 .CommandType = CommandType. Text .CommandText = sql End With Ad = New SqlDataAdapter( Cmd) Ad.Fill(ds, "tmp") Lst.DataTextField = TextField If ValueFld <> "" Then Lst.DataValueField = ValueFld End If Lst.DataSource = ds Lst.DataBind( ) Catch ex As Exception Current.Response. Write(ex. Message) Finally ds.Dispose() Ad.Dispose() Cmd.Dispose( ) 'cnn2.Close( ) End Try End Sub ------------ --------- --------- --------- --------- --------- - It will sucessfully work but if do it in c# as public void BindListBox( ListBox Lst, string sqlquery, string TextField, string value) { //ListBox Lst; //Lst = (ListBox)sender; SqlConnection con = new SqlConnection( ); con.ConnectionStrin g = cnnstring; con.Open(); if (con.State.ToString () == "Open") { SqlDataAdapter adapater = new SqlDataAdapter( sqlquery, con); DataSet Ds = new DataSet(); SqlCommandBuilder cmd = new SqlCommandBuilder( adapater) ; try { adapater.Fill( Ds, "temp"); Lst.DataTextField = TextField; if (value != null) { Lst.DataValueField = value; } Lst.DataSource = Ds; Lst.DataBind( ); } catch (Exception ex) { Response.Write( ex.Message. ToString( )); } finally { con.Close(); adapater.Dispose( ); cmd.Dispose( ); } } else { Response.Write( "Connection Not Available"); } } -------------------------------------- It will work with ListBox control ----------------------------------- if i replace ListBox with Object it will through Error that object does not contain defination for DataTextField, DataSource, DataBind( ) so sir it will work in vb.net why not in c# is any alternate way to do this or any other syntax please send me response as earily as possible Thank u sir http://www.coolinterview.com/interview/16656/

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