private void PopulateTypeAndPurpose()
{
cboType.ItemsSource = ClsPEZAData.GetLOAType(_LOAType).DefaultView;
cboType.SelectedValue = _PEZAType;
if (cboType.SelectedIndex != -1)
{
cboPurpose.ItemsSource = ClsPEZAData.GetLOATypePurpose(_PEZAType).DefaultView;
cboPurpose.SelectedValue = _Purposed;
}
}