protected void btnOK_Click(object sender, EventArgs e) { if (txtREASON.Text == "") { tdMessage.InnerText = "请填写退回理由!"; return; } if (WebWorkFlow.Withdraw(ViewState["PackNo"].ToString(), ViewState["CurWorkFlowNo"].ToString(), txtREASON.Text, Session["MemberName"].ToString())) { Session["sended"] = 1; JScript.CloseWin("refreshPage"); } else { tdMessage.InnerText = "退回不成功,请联系管理员!"; } }