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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 9936

How would u connect to database using .NET?

 5 7925

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 30727

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

 1 18735

Differences between dataset.clone and dataset.copy?

 2 6415

What are the two fundamental objects in ADO.NET?

 8 20334

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

 2128

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

 7 21312

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

 1 10493

What does ADO.NET consists of ?

 7 10991

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

 3 6921

What is ODP.NET ?

 1 8013

What provider ADO.net use by default?

 10 19499

What is the default view of Data Grid?

 5 11729

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 14458

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TCS ADO.NET Interview Questions


Un-Answered Questions

Which method can be used to set the break point for debugging purpose?

107

Explain what is general insurance policy? What does it cover? : insurance sales

249

What is 2nf normalization?

319

What is cohort size?

24

How to use {}, [], [] and [()] in template using angular2?

273




Which are commonly used php based cms?

49

What is HttpURL connection ?

410

How do you combine formulas?

185

How do I search all files in windows?

310

What is netting and forecast consumption? Explain backward and forward consumption.

300

Do csrf tokens expire?

302

what are the types of special stock available?

406

Mention some of the important characteristics of neo4j?

3

What is the formula to determine the speed of induction motor?

1219

What is http servlet?

376