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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 11972

How would u connect to database using .NET?

 5 10857

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 33102

What are the differences between RAW, AUTO and Explicit modes in retrieving data from SQL Server in XML format?

 1 20362

Differences between dataset.clone and dataset.copy?

 2 8378

What are the two fundamental objects in ADO.NET?

 8 24145

how can implement dropdownlist in particular of dataset when try to update?

 2781

Call a stored procedure from ado.net and pass parameter to it ?

 7 24727

Where does ADO.NET and XML web services come in the architecture ?

 1 11713

What does ADO.NET consists of ?

 7 14279

What is the key feature of ADO.NET compared to ADO ?

 3 8945

What is ODP.NET ?

 1 9814

What provider ADO.net use by default?

 10 24148

What is the default view of Data Grid?

 5 14864

How To Update A Column In A DataGrid Using C#.NET? I am getting InvalidCastException as (Specified cast is not valid) while updating 2nd column in a datagrid? Id,firstname,lastname are the three columns of my datagrid respectively. I wanted to edit the second column(lastname) and update it. I did the following code in DataGrid's updatecommand(),but failed to update ! Int varid=(int)DataGrid1.DataKeys[e.Item.ItemIndex]; TextBox lnm=(TextBox)e.Item.Cells[2].Controls[0]; string str=lnm.Text ; SqlCommand cmd=new SqlCommand("update customer set lastname='" + str + "' where id=" + varid + "",con); cmd.ExecuteNonQuery(); DataGrid1.EditItemIndex=- 1; DataGrid1.DataBind();

 2 16185

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TCS ADO.NET Interview Questions


Un-Answered Questions

what is the height of tree if leaf node is at level 3. please explain

2153

How much does it cost to replace the hard drive?

961

How can I use xml?

846

What five words would be describe you? : insurance sales

605

What is branching logic control in VB.NET?

977

On a scale of 1 to 10 rate yourself as a person.

1204

How do I dual boot my pc?

1003

What is struts 2 framework in java?

1043

How many relationships included in sfdc & what are they?

431

What is action c#?

917

What do you mean by a grounded load?

1042

How do I merge cells in excel and keep all data?

622

What is a listener in android?

881

If you want to share several functions or variables in several files maitaining the consistency how would you share it?

992

Hi Friends, Can you please let me know the difference between user exist and Routines

2107