Uncovering a hidden div tag in Listview ASP.NET with the power of Javascript

</p>

<pre><code><ItemTemplate>
                    <tr bgcolor="#efefef">
                        <td width="10%">
                            <asp:LinkButton ID="btnShowRoles" runat="server">
                                <asp:Image ID="viewRoles" ImageUrl="/images/pointer-down.gif" runat="server" /></asp:LinkButton>
                        </td>
                        <td width="50%" align="left">
                            <font face="verdana" size="1">
                                <asp:Label runat="server" ID="lblParameter"><%#Eval("Name") %></asp:Label>
                            </font>
                        </td>
                        <td width="10%" align="center">
                            <font face="verdana" size="1">
                                <asp:Label runat="server" ID="lblType"><%#Eval("Type.Name")%></asp:Label>
                            </font>
                        </td>
                        <td width="10%" align="center">
                            <font face="verdana" size="1">
                                <asp:Label runat="server" ID="lblRequired"><%#Eval("isGlobal") %></asp:Label>
                            </font>
                        </td>
                        <td width="20%" align="center">
                            <font face="verdana" size="1"><a href='<%#GetRedirectionURL(Eval("ID")) %>'>VIEW</a>
                             </font>
                        </td>
                    </tr>
                    <tr>
                        <td>
                            <div align="left" class="ShowRoles">
                                <asp:Label ID="Label3" runat="server">GROUPS:</asp:Label>
                                <asp:Label ID="Label4" runat="server"><%#Eval("MarjorieRoles") %></asp:Label>
                            </div>
                        </td>

                    </tr>

This is the code snippet that defines my ItemTemplate within a ListView. The objective is to have the link button in the first element display specific fields upon being clicked. As I am relatively new to JavaScript, I am seeking guidance on how to achieve this functionality. Any assistance provided would be highly valued. Thanks

Answer №1

Although this isn't a specific inquiry, here are some helpful tips to get you started.

1) When working with HTML, each element in your webpage is identified by an id attribute. In JavaScript, you can utilize the document.getElementById function to access elements based on their id. You can also target elements by class using document.getElementsByClass.

2) Remember that when adding a server-side control to your page, it may receive an ID in the generated HTML that differs from the one you originally specified. In ASP.net, you can retrieve the client-side id by utilizing <%= elementId.ClientID %>.

3) Consider leveraging libraries like jQuery to streamline your development process. With jQuery, you can use functions such as $.click to assign events to button clicks and $.show to display hidden elements.

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