SAPLogonControlClass connctl = new SAPLogonControlClass(); //下面的参数值根据实际情况赋值 connctl.Client = "200"; connctl.Language = "EN"; connctl.ApplicationServer = "xxx.xxx.xxx.xxx";//Application server IP connctl.SystemNumber = 00; connctl.U ser = "XXXX"; connctl.Password = "XXXXXXX"; ser = "XXXX"; connctl.Password = "XXXXXXX";