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Editorial Team
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Asked: 2026-05-25T20:58:41+00:00

I tracked down a very weird … bug… I found that for some reason,

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I tracked down a very weird … bug…

I found that for some reason, an ASPX page always executed twice.

I tracked it down to this line in a user (asxc) control, I had :

<img src='<%=RS("buildhover")%>'  />

RS is just a helper function that resolves to ResouceManager.GetString(“buildhover”)

I found that “buildhover” was simply missing from the resx file that was being read. When added, the ASPX page is no longer run twice…

This is very strange and since I use resource files extensively, I am really interested to find out why this is…

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1 Answer

  1. Editorial Team

    When you have an image element with a blank url for the string then it makes a request to the current page. When the resource doesn’t exist you get a blank string. So the result of ResouceManager.GetString("buildhover") is an empty string.

    Look at the html produced. You will have something like <img src="" />

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