What are the data providers used in ado.net
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Explain how to create dynamic gridview?
What is execute reader in ado.net?
Which is faster dataset or datareader?
what is data access layer?
How to enable and disable connection pooling?
OleDbDataAdapter ole=new OleDbDataAdapter(new OleDbCommand ("select * from login",oleDbConnection1)); OleDbCommandBuilder cmd=new OleDbCommandBuilder(ole); ole.Fill(dataSet11,"login"); DataRow drow=dataSet11.Tables ["login"].NewRow(); drow[0]=textBox1.Text; drow[1]=textBox2.Text; drow[2]=textBox3.Text; dataSet11.Tables["login"].Rows.Add (drow); ole.UpdateCommand=cmd.GetUpdateCommand(); ole.Update(dataSet11,"login"); MessageBox.Show("one row added"); this gives exception.how to solve it
What are the different execute methods of Ado.Net?
How xml files and be read and write using dataset ?
How will you fill the gridview by using datatable object at runtime?
Which property is used to check whether a DataReader is closed or opened?
Explain ado.net features?
What is the significance of CommandBehavior.CloseConnection ?