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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 11889

How would u connect to database using .NET?

 5 10712

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 32992

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

 1 20288

Differences between dataset.clone and dataset.copy?

 2 8273

What are the two fundamental objects in ADO.NET?

 8 23892

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

 2750

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

 7 24520

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

 1 11645

What does ADO.NET consists of ?

 7 14083

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

 3 8852

What is ODP.NET ?

 1 9762

What provider ADO.net use by default?

 10 23881

What is the default view of Data Grid?

 5 14727

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 16101

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TCS ADO.NET Interview Questions


Un-Answered Questions

Do you know how ruby looks up a method to invoke?

1

List any five applications of data warehouse.

920

How do peptides react with cyanogen bromide?

2109

What is required technological drivers in data mining?

170

How to Pass a function to a procedure or vice versa?

1787

What is protected inheritance?

1022

what is duty cycle?

1150

Explain the difference between jvm and jre?

1000

What is a quality stage in datastage tool?

1046

When will you not be able to see the plugin menu on a wordpress site?

174

What is the use of httpservletrequestwrapper and httpservletresponsewrapper?

999

How can we create callable modules of program code within one abap/4 program? : abap modularization

1001

what stage/s of the development lifecycle should end users be involved?

927

How do I install and use mysql?

902

How to Test with No Server?

1451