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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 11851

How would u connect to database using .NET?

 5 10625

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 32930

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

 1 20248

Differences between dataset.clone and dataset.copy?

 2 8213

What are the two fundamental objects in ADO.NET?

 8 23753

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

 2723

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

 7 24396

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

 1 11607

What does ADO.NET consists of ?

 7 13962

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

 3 8778

What is ODP.NET ?

 1 9718

What provider ADO.net use by default?

 10 23741

What is the default view of Data Grid?

 5 14631

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 16044

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TCS ADO.NET Interview Questions


Un-Answered Questions

design of IGBT firing circuit for 11KV

2580

What are constants?

999

Explain the advantages of inheritance.

1080

Does gmail have an app for windows 10?

816

what is "goodwill" reserve and surplus and reserve with example

1968

What do two colons mean in php?

221

FULL FORM OF NASDAQ?

4448

What is an anecdote and give examples?

163

How do I view a view in sql?

890

What are the frameworks available in rc?

1098

What is sub-query in sql server?

1142

What is your strategy and process for appealing a denied claim? : insurance health

577

Who invented semaphore?

799

What Are The Differences Between Blue Prism And Uipath?

249

List the abstract operations in the set?

842