Can't get TagPrefix to work for custom Web control

[Michael Skelton]

Hi

I've created a new custom Web control. I have tried to customize the assembly attribute TagPrefix . However, each time I drag my custom control onto a form, it's TagPrefix is still "cc1". What am I missing here

My control is nested within two namespaces: for example, OuterNamespace and InnerNamespace. Taking that into account, the AssemblyInfo.cs of my custom control's solution contains the following additional lines

..
using System.Web.UI
..
[assembly: TagPrefix("OuterNamespace.InnerNamespace", "mas")
..

I build my custom control, add it to the VS Toolbox, and test it by dropping it on a form. Alas, instead of being prefixed by "mas", the control is still prefixed by "cc1". Any advice on this one

Thanks in advance
-Michael

[Ben Miller [MSFT]]

Michael,

I tested out both scenarios to make sure everything worked: I went to
http://msdn.microsoft.com/library/de...ebControls.asp
(watch the URL wrap) and followed the instructions for this so that I did
not miss anything, and I made things look like:

AssemblyInfo.cs

using System.Web.UI;
.....
[assembly: TagPrefix("CustomLabel", "mas")]
CustomLabel.cs

namespace CustomLabel
{
public class WebControlLibrary1 ....
}

and I did one with the namespace="CustomLabel.TestLabel" and [assembly:
TagPrefix("CustomLabel.TestLabel", "mas")] and everything works when I add
it to the toolbox and then drag it over to the IDE in VS.

Any more info that you could post like the @Register statement in the HTML
view of the IDE when you drag and drop it on the page?

HTH. Give me more info and I can see what else if available.

Ben Miller

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"Michael Skelton" <an*******@discussions.microsoft.com> wrote in message
news:A1**********************************@microsof t.com...

Hi,

I've created a new custom Web control. I have tried to customize the assembly attribute TagPrefix . However, each time I drag my custom control
onto a form, it's TagPrefix is still "cc1". What am I missing here?
My control is nested within two namespaces: for example, OuterNamespace and InnerNamespace. Taking that into account, the AssemblyInfo.cs of my
custom control's solution contains the following additional lines:
...
using System.Web.UI;
...
[assembly: TagPrefix("OuterNamespace.InnerNamespace", "mas")]
...

I build my custom control, add it to the VS Toolbox, and test it by dropping it on a form. Alas, instead of being prefixed by "mas", the control
is still prefixed by "cc1". Any advice on this one?
Thanks in advance,
-Michael