private void Delete_Click(object sender, EventArgs e)
 {
     try
     {
         Connect connectObj = new Connect();
         con = connectObj.connect();
         SqlCommand cmd = new SqlCommand("DELETE FROM MYORDER WHERE ORD_ID = @oid", con);
         cmd.Parameters.AddWithValue("@oid", OrderID.Text);
         int i = cmd.ExecuteNonQuery();
         con.Close();
         //If count is equal to 1, than show frmMain form
         if (i != 0)
         {
             MessageBox.Show("Order Deletion Successful!", "Captions", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
         else
         {
             MessageBox.Show("Order Deletion Failed", "Captions", MessageBoxButtons.OK, MessageBoxIcon.Error);
         }
         OrderID.Clear();
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message, "Captions", MessageBoxButtons.OK, MessageBoxIcon.Error);
     }
     finally
     {
         if (con != null)
         {
             con.Close();
         }
     }
 }
 private void clear_Click(object sender, EventArgs e)
 {
     OrderID.Clear();
 }