protected void MyDataGrid_Delete(object source, DataGridCommandEventArgs e) { string StyleID = dgStyleList.DataKeys[e.Item.ItemIndex].ToString(); if (FlowFieldObject.IsStyleInUse(StyleID)) { Response.Write("<script laguage='javascript'>alert('此字段被表单使用,不能删除。请先从表单中删除。');</script>"); return; } UDS.Components.DocumentFlow df = new UDS.Components.DocumentFlow(); df.DeleteField(Int32.Parse(StyleID)); df = null; Bangding(); }