private void datap_thue_CellMouseClick(object sender, DataGridViewCellMouseEventArgs e)
 {
     if (MaKH != "")
     {
         datachitietp_thue.DataSource = Chitietp_Thuecontrol.getdateloadbymakh(MaKH);
     }
 }
 private void btnsauctthue_Click(object sender, EventArgs e)
 {
     try
     {
         Chitietp_Thueobject ct = new Chitietp_Thueobject();
         ct.Maphieu   = textBox14.Text;
         ct.Map       = textBox15.Text;
         ct.Ngaythue  = DateTime.Parse(dateTimePicker2.Text);
         ct.Ngaytradk = DateTime.Parse(dateTimePicker3.Text);
         ct.Ghichu    = textBox16.Text;
         Chitietp_Thuecontrol.updatectp_thue(ct);
         datachitietp_thue.DataSource = Chitietp_Thuecontrol.getdateloadbymakh(MaKH);
         //datachitietp_thue.DataSource = Chitietp_Thuecontrol.getdatactThue();
     }
     catch { }
 }
 private void btnxoactthue_Click(object sender, EventArgs e)
 {
     try
     {
         DialogResult dg = new DialogResult();
         dg = MessageBox.Show("Bạn có muốn xóa không", "Thông báo", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
         if (dg == DialogResult.Yes)
         {
             Chitietp_Thueobject ct = new Chitietp_Thueobject();
             ct.Maphieu = textBox14.Text;
             //ct.Map = textBox15.Text;
             ct.Ngaythue  = DateTime.Now;
             ct.Ngaytradk = DateTime.Now;
             Chitietp_Thuecontrol.deletectp_thue(ct);
             datachitietp_thue.DataSource = Chitietp_Thuecontrol.getdateloadbymakh(MaKH);
             //datachitietp_thue.DataSource = Chitietp_Thuecontrol.getdatactThue();
         }
     }
     catch { }
 }