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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

2 8975

How would u connect to database using .NET?

5 6521

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

3 29486

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

1 17732

Differences between dataset.clone and dataset.copy?

2 5504

What are the two fundamental objects in ADO.NET?

8 18327

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


Call a stored procedure from and pass parameter to it ?

7 19632

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

1 9836

What does ADO.NET consists of ?

7 9586

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

3 6012

What is ODP.NET ?

1 7446

What provider use by default?

10 17453

What is the default view of Data Grid?

5 10524

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 13650

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TCS ADO.NET Interview Questions

Un-Answered Questions

Give me two reasons why you should be hired for this role.


Write a program to produce the following output: 1 2 3 4 5 6 7 8 9 10


when to use 'mutable' keyword and when to use 'const cast' in c++


you must show the examples application and give at least 4 types of transducer/sensors that can minimize the failure during the manufacturing of the resistors.


How do you show the declaration of a virtual constructor?


Would you have different customer numbers if your customer was serviced by more than one company code?


The reaction of an acid with an alcohol to form an ester and water is called?


How can you filter out specific type of file using file system controls?


List out the converter tags used in JSF?


What do you understand by lot inspection?


how its run?


what is ldap and its uses?


How would you make a physician to prescribe your medicine rather than that of the competitor?


What are the basic functions for master, msdb, model, tempdb and resource databases?


What do you mean by servlet?