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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 12067

How would u connect to database using .NET?

 5 11079

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 33284

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

 1 20459

Differences between dataset.clone and dataset.copy?

 2 8511

What are the two fundamental objects in ADO.NET?

 8 24434

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

 2835

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

 7 24944

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

 1 11810

What does ADO.NET consists of ?

 7 14573

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

 3 9057

What is ODP.NET ?

 1 9885

What provider ADO.net use by default?

 10 24475

What is the default view of Data Grid?

 5 15045

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 16292

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TCS ADO.NET Interview Questions


Un-Answered Questions

how to create an address book?

7

Can we test the report other than manual testing?

2227

What is sql indexing?

1065

What is the savings interest in Japan?

1171

How can you categorize digital marketing?

523

What is the main motto of Scala Language?

7

why can the rotor of 3 phase slip ring induction motor not be a 2 phase rotor?

2110

What are the encryption mechanisms in sql server?

1088

What standard types does c# use?

982

What Is Interest Expense?

1339

What is curvilinear motion?

1016

What are lifecycle hooks react?

495

How we can set custom page title in cakephp?

3

Explain soap and xml?

1096

What are the various ajax functions available in jquery ?

786