protected void Page_PreRender(object sender, EventArgs e)
{
if (IsPostBack)
{
if (LibraryDistrictId.SelectedValue != SelectedDistrictId.Value)
{
SelectedDistrictId.Value = LibraryDistrictId.SelectedValue;
LibraryBranchData.DataBind();
LibraryId.Items.Clear();
LibraryId.Items.Add(new ListItem("[Select a Library Branch]", string.Empty));
LibraryId.DataBind();
}
}
}