public void house_delete(int ID)
 {
     house.Delete(ID);
     Insert_house_GridView.DataBind();
     Update_house_GridView.DataBind();
     Delete_house_GridView.DataBind();
 }
 public house house_insert()
 {
     house.house_name               = Insert_house_name_txt.Text;
     house.house_eligibility        = Insert_house_eligibility_txt.Text;
     house.house_request_date       = Convert.ToDateTime(Insert_house_request_date_txt.Text);
     house.house_voucher_amt        = Convert.ToDecimal(Insert_house_voucher_amt_txt.Text);
     house.house_voucher_begin_date = Convert.ToDateTime(Insert_house_voucher_begin_date_txt.Text);
     house.house_voucher_exp_date   = Convert.ToDateTime(Insert_house_voucher_exp_date_txt.Text);
     house.house_voucher_num        = Convert.ToInt32(Insert_house_voucher_num_txt.Text);
     house.house_voucher_schedule   = Insert_house_voucher_schedule_txt.Text;
     house.house_wait_list          = Convert.ToInt32(Insert_house_wait_list_txt.Text);
     house = house.Insert(house);
     Insert_house_GridView.DataBind();
     Update_house_GridView.DataBind();
     Delete_house_GridView.DataBind();
     return(house);
 }