AbsoluteUri with port ?

Hi,
 I have an url "abctest.com/abc/abc.aspx" I want to refresh it.
 


HttpContext.Current.Response.Redirect(HttpContext.Current.Request.Url.AbsoluteUri);  
 
gets "abctest.com:8765/abc/abc.aspx". Why I get port too?? I should redirect "abctest.com/abc/abc.aspx"
 
Thanks! 
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