asp：gridview中的UpdateProgress给出错误在UpdatePanel'UpdatePanel2'中找不到触发器ID为“cmbCoverType”的控件 [英] asp:UpdateProgress in gridview give error A control with ID 'cmbCoverType' could not be found for the trigger in UpdatePanel 'UpdatePanel2'"

问题描述

 <   asp：UpdateProgress     AssociatedUpdatePanelID   =  UpdatePanel2     runat   =  server    ID   =  UpdateProgress1 >  
 <   ProgressTemplate  >  
 <   div    类 <跨度class =code-keyword> =  blockUI >  
 <   div    样式  =  margin-left：auto; margin-right：auto;宽度：200px; >  
 <   img     src   =   Images / loading.gif    alt   =  loading ...    /  >  
 <   / div  >  
  <   / div  >  
 <   / ProgressTemplate  >  
 <   / asp：UpdateProgress  >  
 
 <   asp：UpdatePanel     ID  < span class =code-keyword> =  UpdatePanel2    runat   =  server    UpdateMode   = 条件 >  
 <  触发器 >  
 <   asp：AsyncPostBackTrigger     ControlID   =  cmbCoverType    EventName   =  SelectedIndexChanged     /  >  
 <   /触发器 >  
 <   ContentTemplate  >  
 <   asp：Panel     ID   =  pnlGridPrposalDetails    runat   =  server    ScrollBars   = 自动 >  
 
 <   asp：GridView     id   =  gridProposalDetails    runat   =  server    CellPadding   =  4    AutoGenerateColumns   =  false    ShowFooter   =  true   宽度  =  900px   >  
 
 <  列 >  
 .. 
 <   /列 >  
 <   / asp：GridView  >  
 <   / asp：Panel  >  
 <   / ContentTemplate  >  
 <   / asp：UpdatePanel  >  

解决方案

有看看以下链接。



由DDL触发的更新面板



新链接



以下链接正在OP找到解决相同类型的问题。

所以请看一下它的结尾。



同样的情景解决方案



希望它会发生变化。 ：）

<asp:UpdateProgress AssociatedUpdatePanelID="UpdatePanel2" runat="server" ID="UpdateProgress1">
                    <ProgressTemplate>
                        <div class="blockUI">
                            <div style="margin-left: auto; margin-right: auto; width: 200px;">
                                <img src="Images/loading.gif" alt="loading..." />
                            </div>
                        </div>
                    </ProgressTemplate>
                    </asp:UpdateProgress>

   <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional">
   <Triggers>
    <asp:AsyncPostBackTrigger ControlID="cmbCoverType" EventName="SelectedIndexChanged" />
   </Triggers>
                <ContentTemplate>
                <asp:Panel ID="pnlGridPrposalDetails" runat="server" ScrollBars="Auto">

        <asp:GridView id="gridProposalDetails" runat="server" CellPadding="4" AutoGenerateColumns="false" ShowFooter="true" Width="900px" >

            <Columns>
..
</Columns>
        </asp:GridView>
</asp:Panel>
           </ContentTemplate>
       </asp:UpdatePanel>

解决方案

Have a look at the following link.

Update Panel triggered by DDL

New Link

the following link is having what OP found to sort out the same type of problem.
So Kindly have a look at the end of it.

Same Scenario Solution

Hope it will hlep. :)

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