private void Hospital_Load(object sender, EventArgs e) { SetPermission(); BLL.Region reg = new BLL.Region(); reg.LoadAll(); //cboRegion.DataSource = reg.DefaultView; Zone zon = new Zone(); zon.LoadAll(); //cboZone.DataSource = zon.DefaultView; Woreda wor = new Woreda(); wor.LoadAll(); //cboWoreda.DataSource = wor.DefaultView; PopulateFields(); }