private void MultiFacilityRequisition_Load(object sender, EventArgs e)
{
BLL.Institution institution = new Institution();
institution.LoadAll();
institution.AddColumn("IsSelected", typeof(bool));
// bind the selected faciliteies to the selected grid
_selectedFacilities = institution.DefaultView.Table.Clone();
gridSelected.DataSource = _selectedFacilities;
// bind the source table
gridChoices.DataSource = institution.DefaultView;
}