private void grdProperties_CellClick(object sender, DataGridViewCellEventArgs e)
{
txtPropID.Text = grdProperties.Rows[grdProperties.CurrentCell.RowIndex].Cells[0].Value.ToString();
txtRooms.Text = grdProperties.Rows[grdProperties.CurrentCell.RowIndex].Cells[2].Value.ToString();
int NoOfRooms = Convert.ToInt32(txtRooms.Text);
Tenant total = new Tenant();
int NoOfTenants = total.getSumTenants(Convert.ToInt32(txtPropID.Text));
if (NoOfRooms <= NoOfTenants)
{
MessageBox.Show("Rooms all booked out!", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
lblTenant.Visible = true;
btnYes.Visible = true;
btnNo.Visible = true;
}