Adding dynamic attributes to every TR element in a table using VB.NET ASPX

Would it be possible to use a VB.NET loop function to dynamically update each TR in a table (using Class ID) by adding a generated attribute into each TR?

For example, AutoGen'd

<table class="DynaGenerated Content">
<tr><td></td></tr>
<tr><td></td></tr>
<tr><td></td></tr>
<tr><td></td></tr>
</table>

For instance, after running the function

<table class="DynaGeneratedContent">
<tr onclick='http://www.blah.com?id=1'><td></td></tr>
<tr onclick='http://www.blah.com?id=2'><td></td></tr>
<tr onclick='http://www.blah.com?id=3'><td></td></tr>
<tr onclick='http://www.blah.com?id=4'><td></td></tr>
</table>

I would greatly appreciate any assistance I can get!

cssasp.net.netvb.netwebforms

Answer №1

To get started, make sure you include the runat="server" attribute and assign an ID to your table:

<table class="DynaGenerated Content" id="myTable" runat="server">
    <tr><td></td></tr>
    <tr><td></td></tr>
    <tr><td></td></tr>
    <tr><td></td></tr>
</table>

Next, in the code-behind file, access your table and perform the necessary transformation:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
    Applytransform()
End Sub

Private Sub Applytransform()
    Dim counter As Integer = 1

    For Each row As HtmlTableRow In Me.myTable.Rows
        row.Attributes.Add("onclick", "http://www.blah.com?id=" & counter.ToString)
        counter += 1
    Next

Once the transformation is applied, the markup will look like this:

<table id="MainContent_myTable" class="DynaGenerated Content">
    <tr onclick="http://www.blah.com?id=1">
        <td></td>
    </tr>
    <tr onclick="http://www.blah.com?id=2">
        <td></td>
    </tr>
    <tr onclick="http://www.blah.com?id=3">
        <td></td>
    </tr>
    <tr onclick="http://www.blah.com?id=4">
        <td></td>
    </tr>
</table>

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