private void BindSubCats()
{
SubCategory subcats = new SubCategory();
subcats.GetSubCategoryByCatID(Convert.ToInt32(uiDropDownListCategory.SelectedValue));
uiDropDownListSubCat.DataSource = subcats.DefaultView;
uiDropDownListSubCat.DataTextField = "Name";
uiDropDownListSubCat.DataValueField = "SubCategoryID";
uiDropDownListSubCat.DataBind();
}