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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 10562

How would u connect to database using .NET?

 5 8851

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 31409

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

 1 19148

Differences between dataset.clone and dataset.copy?

 2 6977

What are the two fundamental objects in ADO.NET?

 8 21580

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

 2303

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

 7 22436

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

 1 10825

What does ADO.NET consists of ?

 7 11972

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

 3 7547

What is ODP.NET ?

 1 8539

What provider ADO.net use by default?

 10 21064

What is the default view of Data Grid?

 5 12850

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 15006

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TCS ADO.NET Interview Questions


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Why xml language uses axl:version in the code?

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how can i apilly for electrical c licencese.sir,i completed B.Tech in electrical & electronics engineering in 201onot working any company

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i need some objective type papers for my certification

1751

What is shared object? (Or) how to store the data in local?

5

What are the types of the main implementing classes in the map interfaces? : java collections

609

What does href mean?

475

What is polytropic process ? Under what conditions it approaches isobaric, isothermal, and isometric process ? In which reversible process no work is done ?

667

What are the characteristics of javascript ‘strict mode’?

477

How to change the windows xp product key if wrongly installed with other product key but you have originalproduct key?

420

For stat. Key figure what is the significance of sender & receiver cost elements & cost centers?

600

What is a 1 page website?

450

Stable storage cannot be implemented. (A) Explain why it cannot be. (B) Explain how database system deal with database applications

1702