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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 10650

How would u connect to database using .NET?

 5 9016

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 31544

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

 1 19218

Differences between dataset.clone and dataset.copy?

 2 7064

What are the two fundamental objects in ADO.NET?

 8 21807

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

 2335

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

 7 22622

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

 1 10892

What does ADO.NET consists of ?

 7 12146

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

 3 7670

What is ODP.NET ?

 1 8649

What provider ADO.net use by default?

 10 21363

What is the default view of Data Grid?

 5 13018

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 15090

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TCS ADO.NET Interview Questions


Un-Answered Questions

In most instances, Inertia processes are quite uncommon. Give an example of a combined Resistance and Capacitance situation.Describe an application, which according to your understanding of the subject matter, comprises of both Resistance and Capacitance effects.

1562

What are the access modifiers available in java?

620

what is the effect of the options statement errors=1? : Sas programming

624

List few disadvantages of file processing system.

514

How do you rename a table in mysql?

531




What are prefix dereferencer?

532

What are the features of complex mapping?

682

Is go garbage collected?

607

Is it safe to delete c : windows temp files?

444

How can you create employees at the database in Siebel?

654

What are the tools of ms access?

447

What is a session in mysql?

508

What is the namespace to create thread in .net?

558

What is pneumatic system?

738

why you would like to work for the our(AIRLINE) Group ???

1688