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we can do copy of datatable with the help of copy();
private void button1_Click(object sender, EventArgs e) { OleDbConnection con = new OleDbConnection ("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=F:\\student.mdb"); con.Open(); OleDbCommand cmd =new OleDbCommand("select * from marks", con); DataTable tb = new DataTable(); tb.Load(cmd.ExecuteReader(CommandBehavior.CloseConnection)); DataTable copytable = tb.Copy(); tb = null; dataGridView1.DataSource = copytable; }
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