private void gridAll_CellContentClick(object sender, DataGridViewCellEventArgs e)
 {
     if (!txtAddress.Enabled)
     {
         ButtonControl(true, true, false, false, true, false);
         string   houseid = gridAll.Rows[e.RowIndex].Cells[0].Value.ToString();
         clsAdmin admin   = new clsAdmin();
         clsHouse house   = new clsHouse();
         house           = admin.Searched_by_RefHouse(Convert.ToInt32(houseid));
         txtAddress.Text = house.Address;
         txtArea.Text    = house.Area.ToString();
         txtBath.Text    = house.NumBath.ToString();
         txtFloor.Text   = house.Floor.ToString();
         txtPrice.Text   = house.Price.ToString();
         txtRoom.Text    = house.NumRoom.ToString();
         if (house.Accessible)
         {
             cboAccess.SelectedItem = "Yes";
         }
         else
         {
             cboAccess.SelectedItem = "No";
         }
         cboStatus.Text = house.Status;
     }
 }
        private void btnRefHouse_Click(object sender, EventArgs e)
        {
            clsHouse house = admin.Searched_by_RefHouse(Convert.ToInt32(txtRefHouse.Text));

            houselist = new List <clsHouse>();
            houselist.Add(house);
            if (houselist.Count() != 0)
            {
                gridAll.DataSource = houselist;
            }
            else
            {
                MessageBox.Show("There is no result with the RefHouse", "NO RESULT", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            }
        }