Javascript alert from ASP.net code behin

Javascript alert from ASP.net code behin
you can display javascript alert from code behind
C# code:
public string Javascript_Alerts(string msg)
{
string popupScript;
popupScript = " <script language='javascript' >" + "alert('"+msg+"') </script >"; return popupScript;
}

Example for use Response.write(Javascript_Alerts("your msg");

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