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<customErrors mode="On" defaultRedirect="ApplicationErroy.aspx">
    <error statusCode="403" redirect="403.htm"/>
    <error statusCode="404" redirect="404.htm"/>
    <error statusCode="500" redirect="500.htm"/>
</customErrors>
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private void DealErroy()    
     {    
         HttpException erroy = new HttpException();    
         string strCode = erroy.ErrorCode.ToString();    
         string strMsg = erroy.Message;    
         erroy.HelpLink = "sss";    
         Response.Write("ErrorCode:" + strCode + "< br>");    
         Response.Write("Message:" + strMsg + "< br&g


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