oxidev.labs

How to show javascript alert message from code behind? You probably know, we can do it like this:
ClientScript.RegisterStartupScript(Page, “message”, “alert(’Hellow world!’);”, true).

However this method is not going to work in AJAX environment. For AJAX you need to use: ScriptManager.RegisterStartupScript.

Here is a little utility method, which displays javascript alert message both in AJAX environment and on regular page:
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