What is the method for using jQuery to retrieve hidden fields with the visible attribute set to "false"?

How can I access a control with "visible = false" attribute using jQuery? Some code examples would be appreciated.

<tr>
  <td class="TDCaption" style="text-align: left">
    <asp:Label ID="lblMsg" runat="server" EnableViewState="False" ForeColor="#CC0000"></asp:Label>
    <div class="DivStyleWithScroll" style="width: 100%; overflow: scroll; height: 250px;">
      <asp:GridView ID="grdReport" runat="server" AutoGenerateColumns="False"
      DataKeyNames="CustCode" ShowFooter="True" EmptyDataText="No record found"
      PageSize="50" CssClass="mGrid" onrowdatabound="grdReport_RowDataBound">
        <Columns>
          <asp:TemplateField Visible="false">
              <ItemTemplate>
                  <asp:Label ID="lblCustCodes" runat="server" Text='<%# Eval("CustCode") %>' CssClass="grdCustName"></asp:Label>
              </ItemTemplate>
          </asp:TemplateField>
          <%--other columns--%>

Here is the jQuery code:

 $('#<%=btnCompare.ClientID%>').click(function () {
            if ($(':checkbox:checked').size() == 0) {
            }
            else {
                custList = $(':checkbox:checked').map(function () { return $(this).closest('tr').find('.grdCustName').text() }).get();
                alert(custList);
            }
    });

Answer №1

In my opinion, utilizing the property .Visible = false will prevent the control from being displayed in the HTML output, consequently making it inaccessible for jQuery to select.

Alternatively, when working with code-behind, consider using...

ctrl.Style("display") = "none"

Or within the markup, you can apply the following attribute to the control...

style="display:none"

Answer №2

In the event that Visible is set to false, the control did not render on the client side, meaning you won't be able to access it directly through javascript or jquery since it does not exist. A workaround would be to store the control's value in a hidden field and then retrieve it from there. Hidden fields are not visible on the frontend but can still be accessed from the HTML source code.

Answer №3

Set Label.ForeColor = System.Drawing.Color.Transparent
in the code-behind file

Next, make sure to change the visibility of the Label by setting Visible to true

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