Can you explain the occurrence of a parse error within an update panel?

Internal Server Error.

The Parser Encountered an Error

Description: An error occurred during the parsing of a resource required to fulfill this request. Please check the specific parse error details below and make appropriate changes to your source file.

Parser Error Message: The Type 'System.Web.UI.UpdatePanel' does not include a public property named 'script'. 

    <!--modal start-->
    <div class="modal fade" id="Addmodal" role="dialog">
    <div class="modal-dialog modal-sm">
      <div class="modal-content">
        <div class="modal-header">
            <a href="csuv3.aspx" class="btn btn-link" style="float:right">X</a>
          <h4 class="modal-title" style="color:red">Add</h4>
        </div>
        <div class="auto-style10"  style="margin-top:11px; margin-bottom:7px;">
            <p><u>Don't Leave Empty Fields, Please Enter 'N.A' There !! <b> : </b></u><br /><br />

            </p>
            <table style="float:right;">
                 <tr>
                        <td class="table">
                            <asp:Label ID="Label20" runat="server" Text="Date"></asp:Label>
                        </td>
                        <td class="table">



                <asp:TextBox ID="TextBox1" runat="server" ReadOnly="true"></asp:TextBox>
                <cc1:CalendarExtender ID="CalendarExtender0" PopupButtonID="TextBox1" runat="server" TargetControlID="TextBox1" Format="dd/MM/yyyy">
                </cc1:CalendarExtender>  
                <%-- <asp:TextBox ID="dtpTransDate" runat="server" Width="90px"></asp:TextBox>
                 <asp1:CalendarExtender ID="dtpTransDate_CalendarExtender" runat="server" Enabled="True" Format="dd/MM/yyyy" TargetControlID="dtpTransDate">
                 </asp1:CalendarExtender>--%>


                        </td>
                    </tr>
                    […] [additional content omitted for brevity]
                    </table>
        </div>
      </div>
    </div>
  </div>
    <!--modal end-->
        </asp:UpdatePanel> 
Please provide prompt assistance with this issue
Thanks in advance
javascriptc#asp.netparsingupdatepanel

Answer №1

In my previous experiences, I've found that all HTML tags and other editor server controls that are meant to function inside an UpdatePanel must be encompassed by the ContentTemplate property tag:

<asp:UpdatePanel ID="UpdPanel" runat="server">
<ContentTemplate>
<div class="modal fade" id="Addmodal" role="dialog">
    <div class="modal-dialog modal-sm">
      <div class="modal-content">
        <div class="modal-header">
            <a href="csuv3.aspx" class="btn btn-link" style="float:right">X</a>
          <h4 class="modal-title" style="color:red">Add</h4>
        </div>
        <div class="auto-style10"  style="margin-top:11px; margin-bottom:7px;">
            <p><u>Don't Leave Empty Field Please Fill 'N.A' There !! <b> : </b></u><br /><br />
            </p>
            <table style="float:right;">
            <%-- simplified for brevity --%>
            </table>
        </div>
      </div>
    </div>
  </div>
</ContentTemplate>
</asp:UpdatePanel>

For those using a ScriptManager tag before the UpdatePanel, it is important to ensure that the UpdatePanel is placed outside of the tag, as no tags should be nested within the ScriptManager control.

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