Woopsa.HTTPResponse.SendError C# (CSharp) Method

        private void SendError(int errorCode, string errorMessage)
        {
            ResponseCode = errorCode;
            ResponseMessage = errorMessage;
            string errorPage = HTTPServerUtils.GetEmbeddedResource("Woopsa.HTTPServer.HTML.ErrorPage.html");
            errorPage = errorPage.Replace("@ErrorCode", errorCode.ToString());
            errorPage = errorPage.Replace("@ErrorMessage", errorMessage);
            errorPage = errorPage.Replace("@Version", Assembly.GetExecutingAssembly().GetName().Version.ToString());
            WriteString(errorPage);
            SetHeader(HTTPHeader.ContentType, MIMETypes.Text.HTML);
            SetHeader(HTTPHeader.Connection, "close");
        }