Adding Controls to Controls in codebehind

Question

I'm trying to add a span, inside an anchor, inside a dd tag. for some reason this:

protected Control MakeDD() {
    var dd = new HtmlGenericControl("dd");
    var link = new HtmlGenericControl("a");
    var span = new HtmlGenericControl("span");

    link.Controls.Add(span);
    dd.Controls.Add(link);
    return dd;
}

only generates

<dd><a></a></dd>

instead of

<dd><a><span></span></a></dd>

how do I add controls to a control, then add that control to another control?

Yo dawg, I heard you like controls so we put a control in your control... — ta.speot.is
– ta.speot.is, Commented Jun 4, 2011 at 0:39
I dropped your code into a webform and got your expected result. — Anthony Pegram
– Anthony Pegram, Commented Jun 4, 2011 at 1:00
I believe the issue was that one of the controls I was attempting to add was actually writing a string instead of creating a control. Someone's custom implementation.. Anywho, thanks for the help — tester
– tester, Commented Jun 6, 2011 at 17:33

Adam Tuliper · Accepted Answer · 2011-06-04 03:27:39Z

1

Dropping a panel on a page as the container and doing:

        protected void Page_Load(object sender, EventArgs e)
        {
            pnlTest.Controls.Add(MakeDD());
        }

emits the following on the page:

<div id="MainContent_pnlTest">

    <dd><a><span></span></a></dd>
</div>

This is asp.net 4

answered Jun 4, 2011 at 3:27

Adam Tuliper

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SwDevMan81 · Accepted Answer · 2011-06-04 00:38:27Z

1

What happens if you set something to the span value, does it show up then?

...
var span = new HtmlGenericControl("span");
span.InnerHtml = "test";
link.Controls.Add(span);
...

answered Jun 4, 2011 at 0:38

SwDevMan81

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