Explain the DataAdapter.Update() and DataSetAcceptChanges() methods.

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Which provider is used to connect ms access, oracle, etc…?

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What is the difference between linq and ado.net?

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I want to ask u that if i add radio button in ado.net form,and how radion button data insert in SQL2005 Database...

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What is datatable in ado.net?

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What are the different methods by which we can populate a dataset?

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Is ado.net an orm?

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What is the current version of entity framework?

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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

1 Answers   Nimaya,

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How can you implement sub data grid in a master datagrid?

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Explain the namespaces in which .net has the data functionality class.

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Explain how to find the given query is optimised one or not?

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