public void clear()
{
Sno.ItemsSource = null;
Cname.ItemsSource = null;
Ssredit.Clear();
Rmark.Text = null;
}
private void button_Click(object sender, RoutedEventArgs e)
{
string sql = "update ranah_Result"
+ " set rah_Rmark=" + Rmark.Text
+ " where rah_Sno='" + Sno.Text + "'"
+ " and rah_Couno='" + Couno_text() + "'";
SqlCommand cmd = new SqlCommand(sql, Window1.conn);
try
{
cmd.ExecuteNonQuery();
MessageBoxResult res = MessageBox.Show("修改成功");
}
catch (Exception ee)
{
MessageBoxResult res = MessageBox.Show("修改失败" + ee.Message);
}
Ssredit.Clear();
}
