void trvCategory_SelectedNodeChanged(object sender, EventArgs e)
{
int CategoryID = 0;
int.TryParse(trvCategory.SelectedValue, out CategoryID);
if (CategoryID > 0)
{
ViewState[CMSViewStateManager.CategoryID] = CategoryID;
BeginEditMode();
upnlCategoryItem.Update();
}
if (trvCategory.SelectedNode != null)
{
trvCategory.SelectedNode.Selected = false;
}
}
#endregion