How to catch HttpRequestValidationException in production
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bruno
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Published on 2011-02-17T11:16:06Z
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2011/02/17
15:25 UTC
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Hello all,
I have this piece of code to handle the HttpRequestValidationException in my global.asax.cs file.
protected void Application_Error(object sender, EventArgs e)
{
var context = HttpContext.Current;
var exception = context.Server.GetLastError();
if (exception is HttpRequestValidationException)
{
Response.Clear();
Response.StatusCode = 200;
Response.Write(@"<html><head></head><body>hello</body></html>");
Response.End();
return;
}
}
If I debug my webapplication, it works perfect. But when i put it on our production-server, the server ignores it and generate the "a potentially dangerous request.form value was detected from the client" - error page. I don't know what happens exactly... If anybody knows what the problem is, or what i do wrong..?
Also I don't want to set the validaterequest on false in the web.config.
The server uses IIS7.5, And I'm using asp.net 3.5.
Thanks, Bruno
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