/// <summary>
/// 点击删除按钮
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button4_Click(object sender, EventArgs e)
{
Attendance model = new Attendance();
try {
model.Id = Convert.ToInt32(textBox18.Text);
if (AttendanceDAL.Drop(model, "id"))
{
LoadDataGridView();
}
}
catch (Exception ex) {
MessageBox.Show("ID必须是数字");
}
}