C#에서 서버 이미지 존재 여부 판단

     public int num = 0;
       /// 

      ///  
      /// 
    private int GetAcount(string name) 
    {
        for (int i = 1; i < i + 1; i++)
        {
            string url = "http://IP/Image/" + name + "/" + name + i + ".jpg";
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(new Uri(url));
            ServicePointManager.Expect100Continue = false;
            try
            {
                ((HttpWebResponse)request.GetResponse()).Close();
            }
            catch (WebException exception)
            {
                if (exception.Status != WebExceptionStatus.ProtocolError){
                    num++;
                }
                if (exception.Message.IndexOf("500 ") > 0){
                    Response.Write("alert(' ， ，   ！');");}
                if (exception.Message.IndexOf("401 ") > 0){
                    Response.Write("alert(' ， ！');");}
                if (exception.Message.IndexOf("404")> 0){
                    return num;
                }
            }
            num++;
        }
        return num;
    }

　　
다음으로 전송:https://www.cnblogs.com/professional-NET/p/4662869.html