protected void MyDataGrid_Delete(object source, DataGridCommandEventArgs e)
{
//string StyleID = dgStyleList.DataKeys[e.Item.ItemIndex].ToString();
string StyleID = e.Item.Cells[0].Text;
UDS.Components.DocumentFlow df = new UDS.Components.DocumentFlow();
df.DeleteFieldValue(Int32.Parse(StyleID));
df = null;
Bangding();
}