void ddl_SelectedIndexChanged(object sender, EventArgs e) { var openway = (SpecOperWay)Pub1.GetDDLByID("DDL_" + CondAttr.SpecOperWay).SelectedItemIntVal; var lbl = Pub1.GetLabelByID("LBL1"); var tb = Pub1.GetTBByID("TB_" + CondAttr.SpecOperPara); switch (openway) { case SpecOperWay.SpecNodeOper: lbl.Text = "节点编号:"; break; case SpecOperWay.SpecSheetField: lbl.Text = "表单字段:"; break; case SpecOperWay.SpenEmpNo: lbl.Text = "操作员编号:"; break; case SpecOperWay.CurrOper: lbl.Text = "参数:"; break; } tb.Text = string.Empty; tb.Enabled = openway != SpecOperWay.CurrOper; }