    private void button1_Click(object sender, EventArgs e)
        {
         sqlConnection1.Close();
         SqlCommand cmd;
        dataSet11.Clear();
        cmd = new SqlCommand("stSelect", sqlConnection1);
        cmd.CommandType = CommandType.StoredProcedure;
        cmd.Parameters.Clear();
        cmd.Parameters.AddWithValue("@stNo1", textBox1.Text);
        sqlConnection1.Open();
        cmd.ExecuteNonQuery();
        sqlDataAdapter1.SelectCommand = cmd;
        sqlDataAdapter1.Fill(dataSet11);
        sqlConnection1.Close();
 }

  
    
