I worked in C Sharp code works vote and found the problem appointed Data Reader
If you will allow me in the solution
protected void Page_Load(object sender, EventArgs e)
{
OleDbCommand cmd2 = new OleDbCommand("select Q,a1,a2,a3,a4 from ope", Con);
Con.Open();
OleDbDataReader dr = cmd2.ExecuteReader ();
if (dr.Read())
{
label2.Text = dr(0);
RadioButton1.Text = dr(1);
RadioButton2.Text = dr(2);
RadioButton3.Text = dr(3);
RadioButton4.Text = dr(4);
}
Con.Close();
}
show Error
The name 'label2' does not exist in the current context