Sys.WebForms.PageRequestManagerServerErrorException : 잘못된 다시 게시 또는 콜백 인수

Question

에서 웹 컨트롤 외부에서 생성 된 이벤트를 통해 업데이트 패널 내에서 테이블 행을 표시하거나 숨길 수 없음 more, 즉 이상인 경우 첫 번째 ddl 항목 선택에서만 작동합니다 (SharePoint 컨텍스트 외부에서 완벽하게 작동 함).

이 오류가 발생합니다 :

SCRIPT5022: Sys.WebForms.PageRequestManagerServerErrorException: Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation. 

영문 파일 :

<asp:TableRow runat="server" ID="tbr1"> 
    <asp:TableCell ID="tbc" runat="server" CssClass="ms-formbody"> 
     <asp:DropDownList ID="ddl" runat="server" EnableViewState="true" AutoPostBack="true" OnSelectedIndexChanged="ddl_SelectedIndexChanged" /> 
    </asp:TableCell> 
</asp:TableRow> 
<asp:TableRow ID="tbr2"> 
    <asp:TableCell> 
     <asp:UpdatePanel ID="udp" runat="server" UpdateMode="Always"> 
      <ContentTemplate> 
       <asp:Table ID="tb" runat="server"> 
        <asp:TableRow runat="server" ID="tbr21"> 
        <%-- content --%> 
        </asp:TableRow> 
       </asp:Table> 
      </ContentTemplate> 
      <Triggers> 
       <asp:AsyncPostBackTrigger ControlID="ddl" EventName="SelectedIndexChanged" /> 
      </Triggers> 
     </asp:UpdatePanel> 
    </asp:TableCell> 
</asp:TableRow> 

aspx.cs 파일 :

protected void ddl_SelectedIndexChanged(object sender, EventArgs e){ 
    if (ddl.SelectedItem.Text == "value1"){ 
     tb.Visible = true; 
     // instruction here 
    } else { 
     tbdadospessoais.Visible = false; 
     // instruction here 
    } 
} 

Answer 1

수행 조건부 갱신 :

영문을 파일 :

<asp:TableRow runat="server" ID="tbr1"> 
    <asp:TableCell ID="tbc" runat="server" CssClass="ms-formbody"> 
     <asp:DropDownList ID="ddl" runat="server" EnableViewState="true" AutoPostBack="true" OnSelectedIndexChanged="ddl_SelectedIndexChanged" /> 
    </asp:TableCell> 
</asp:TableRow> 
<asp:TableRow ID="tbr2"> 
    <asp:TableCell> 
     <asp:UpdatePanel ID="udp" runat="server" UpdateMode="Always"> 
      <ContentTemplate> 
       <asp:Table ID="tb" runat="server"> 
        <asp:TableRow runat="server" ID="tbr21"> 
        <%-- content --%> 
        </asp:TableRow> 
       </asp:Table> 
      </ContentTemplate> 
     </asp:UpdatePanel> 
    </asp:TableCell> 
</asp:TableRow> 

aspx.cs 파일 :

protected void ddl_SelectedIndexChanged(object sender, EventArgs e){ 
    if (ddl.SelectedItem.Text == "value1"){ 
     tb.Visible = true; 
     // instruction here 
     upd.update(); 
    } else { 
     tbdadospessoais.Visible = false; 
     // instruction here 
     upd.update(); 
    } 
}