WebService 访问代理及安全性验证设置

1.             ERPWS.ErpInterface ws = new ERPWS_Demo.ERPWS.ErpInterface();
2.             //Local Network Proxy Settings
3.             ws.Proxy = new System.Net.WebProxy("172.31.170.21:8089", true);
4.             ws.Proxy.Credentials = new System.Net.NetworkCredential("username", "password", "doamin");
6.             //Server Credential Settings
7.             CredentialCache cache = new CredentialCache();
8.             cache.Add(new Uri(ws.Url), "Negotiate", new NetworkCredential("username", "password", "doamin"));
9.             ws.Credentials = cache;