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TCS ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

 2 12059

How would u connect to database using .NET?

 5 11046

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

 3 33268

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

 1 20451

Differences between dataset.clone and dataset.copy?

 2 8501

What are the two fundamental objects in ADO.NET?

 8 24405

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

 2831

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

 7 24921

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

 1 11805

What does ADO.NET consists of ?

 7 14542

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

 3 9046

What is ODP.NET ?

 1 9871

What provider ADO.net use by default?

 10 24441

What is the default view of Data Grid?

 5 15023

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 16279

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TCS ADO.NET Interview Questions


Un-Answered Questions

What is location of log files for apache server?

1144

Can linux run on 2gb ram?

990

Mention why to choose python over java in selenium?

955

What is client-certificate authentication?

1060

What is a class loader?

2078

Define a path?

1140

Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?

475

Explain synthesised frequency hopping?

919

How do I run an rpm in linux?

994

How do I fix #ref in excel?

673

What is the use of static keyword in swift?

823

Does partitioning improve performance sql server?

1026

Define E- Commerce?

1145

What does hbase consists of?

186

What should I make with python?

907