protected void Btn_Add_Click(object sender, EventArgs e)
{
Repair repair = new Repair();
repair.ApartmentNo = this.apartmentNo.SelectedValue;
repair.RoomNo = this.roomNo.SelectedValue;
repair.StudentNumber = this.StudentNumber.Text;
repair.RepairTime = DateTime.Parse(this.repairTime.Text);
repair.RepairThing = this.repairThing.Text;
repair.RepairQuantity = this.repairQuantity.Text;
repair.RepairReason = this.repairReason.Text;
repair.AddRepairInfo();
this.ErrMessage.Text = "<font color=red>" + repair.ErrMessage + "</font>";
}