protected void InitFlowOpinion()
        {
            string AppInstanceID = Request.QueryString["AppInstanceID"] == null ? string.Empty : Request.QueryString["AppInstanceID"].ToString();

            if (!string.IsNullOrEmpty(AppInstanceID))
            {
                DataTable dt = WorkFlows.GetHrsLeaveOpinionListByAppInstanceID(AppInstanceID);
                Repeater1.DataSource = dt;
                Repeater1.DataBind();
            }
            else
            {
                Repeater1.DataSource = null;
                Repeater1.DataBind();
            }
        }