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Asked: 2026-05-11T11:40:07+00:00

I am creating a new Panel.. public class LicensingPanel : Panel { private LinkButton

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I am creating a new Panel..

 public class LicensingPanel : Panel {      private LinkButton licenseButton;     ... }

I am then in the code adding my controls to the Controls property, one of which is a LinkButton.

What I want to be able to do on my Page code behind is the following..

protected override void CreateChildControls() {     Controls.Add(new LicensingPanel(this));      base.CreateChildControls(); }

But I am getting this error message:

Control ‘ctl03’ of type ‘LinkButton’ must be placed inside a form tag with runat=server. at System.Web.UI.Page.VerifyRenderingInServerForm(Control control)

The page is a SharePoint page with a master page, it has a Form tag with runat=server.

Any help is greatly received!

Best Regards,

Phill

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1 Answer

  1. Any page with a MasterPage, whether it is in SharePoint or not, is a Content Page. These pages only support content contained in Content controls. Attempting to add an HTML tag or ASP.NET control directly to the page is not supported.

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