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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>");
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