Reuse of code from an old article.

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Hej,
I am trying to reuse an example of code from 2010 enhancing a TextBox and Button.
The example, and downloading of the code, works well when picking up the code in a Web Site. So it is easy to test.

The article is on this location:
https://www.codeproject.com/Articles/68834/Enhanced-Textbox-Control
and I have left a question there but do anybody look at old articles?

Now, I want to reuse the controls in a web project on the masterpage, to create a UI for a Site Search. So I create a new web project, select the asp.net web application and tries to add the "MyTextBox" to the Site.Master. I just can't get it up running.

Huge problems with registrering of the control, in fact - I am about to give up.

Anyone have any ideas?

Or maybe you can direct me to a piece of code that run on a masterpage and give me an input box with watermark that works and could be turned into UI for a Site Search?

What I have tried:

What have I not tried? I have googled and tried all my ideas.
I can however say that I am using VS2010

Posted 16-Nov-18 5:07am

Bo Vistisen

Updated 16-Nov-18 8:15am

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MadMyche 16-Nov-18 11:56am

There is no guarantee that the author will respond; however, they have published articles earlier this year. Good luck

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Richard Deeming · Accepted Answer · 2018-11-16T08:16:00

Quote:
Or maybe you can direct me to a piece of code that run on a masterpage and give me an input box with watermark that works and could be turned into UI for a Site Search?

Sounds like you're looking for the placeholder attribute:
The placeholder attribute - <input>: The Input (Form Input) element - HTML: HyperText Markup Language | MDN[^]
asp.net - How do I put hint in a asp:textbox - Stack Overflow[^]

NB: If you're using in instead of a label, then you should be aware of the usability issues:
Don’t Use The Placeholder Attribute — Smashing Magazine[^]