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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 11981

How would u connect to database using .NET?

 5 10881

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 33118

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

 1 20368

Differences between dataset.clone and dataset.copy?

 2 8390

What are the two fundamental objects in ADO.NET?

 8 24186

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

 2785

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

 7 24742

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

 1 11720

What does ADO.NET consists of ?

 7 14303

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

 3 8955

What is ODP.NET ?

 1 9821

What provider ADO.net use by default?

 10 24168

What is the default view of Data Grid?

 5 14879

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 16197

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TCS ADO.NET Interview Questions


Un-Answered Questions

What is meant by impedance diagram?

1177

How much memory is taken by Distributed cache?

751

How can you attach listeners to events in a view?

5

Explain debt service coverage ratio. What does it indicate?

1053

Explain the lifecycle of blue prism?

454

Is the point we want to make the point that really comes across?

2377

How to change server name in sql server?

1192

can anyone tell me about the basic concepts to consider before to start a PLC panel wiring

1948

What is auto increment in mysql?

966

What is Google AdWords Double Serving policy?

492

Tell me what happens when you use cables longer than the prescribed length?

1072

How do I make my wordpress site visible?

240

how to print electricity bill according to following charges first 100 units -1rs per unit for next 200 units-1.50 rs per unit without using conditions

3186

What is the left formula in excel?

641

What is impulse response? Explain its significance.

904