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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 11843

How would u connect to database using .NET?

 5 10611

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 32919

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

 1 20241

Differences between dataset.clone and dataset.copy?

 2 8208

What are the two fundamental objects in ADO.NET?

 8 23733

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

 2719

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

 7 24377

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

 1 11603

What does ADO.NET consists of ?

 7 13943

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

 3 8771

What is ODP.NET ?

 1 9709

What provider ADO.net use by default?

 10 23718

What is the default view of Data Grid?

 5 14618

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 16038

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TCS ADO.NET Interview Questions


Un-Answered Questions

What are the two codes that are used for code display in bootstrap?

1

What is splunk? Why is splunk used for analyzing machine data?

278

Throw some light on Corporate Social Responsibility

1088

Tell us about your qualification and subjects you studied?

970

What is stateless model?

902

Tell me does jquery 2.0 supports ie? : jquery mobile

699

How do I create a unique id in excel?

559

How to create users?

1157

Does the order of css matter?

580

What is virtual address?

988

HOW to change the coloumns in XREF?

1957

What is the target antigen for acute myeloblastic leukemia?

550

Explain how to view shared memory statistics?

853

what is the max length of the message does mq support?

799

Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

2057