/// 
        ///获取保存的SDE文件        /// 
        ///         /// 
             public static bool SaveSdeConnectionFile(string sdePath)        {            try            {                // 如果已经存在了，则删除了重新创建                if (File.Exists(sdePath))                {                    File.Delete(sdePath);                }                IWorkspaceFactory workspaceFactory = new SdeWorkspaceFactoryClass();                // 创建.sde文件                IWorkspaceName workspaceName = workspaceFactory.Create(Path.GetDirectoryName(sdePath), Path.GetFileNameWithoutExtension(sdePath), InitFromSdeConfig(), 0);                // 使用.sde文件，通过.sde文件获取IWorkspace，之后就可以对数据库中的数据进行操作了//                IWorkspace pWorkspace = workspaceFactory.OpenFromFile(sdePath, 0);                return true;            }            catch (Exception e)            {                Console.WriteLine(e);            }            return false;        }        //获取sde连接串        private static IPropertySet InitFromSdeConfig()        {            string strFilePath = AppConfig.SdeConfig;            if (!File.Exists(strFilePath))                return null;            //读XML            XmlDocument xmldoc = new XmlDocument();            xmldoc.Load(strFilePath);            string txtServer = "", txtService = "", txtUserId = "", txtPassword = "";            string type = "";            try            {                XmlNode nodeSde = xmldoc.SelectSingleNode("SDE");                //SDE信息                txtServer = nodeSde.SelectSingleNode("Server").InnerText;                txtService = nodeSde.SelectSingleNode("Service").InnerText;                type = nodeSde.SelectSingleNode("Type").InnerText;                txtUserId = nodeSde.SelectSingleNode("User").InnerText;                txtPassword = nodeSde.SelectSingleNode("Pass").InnerText;            }            catch            {            }            IPropertySet mPPropSet = new PropertySetClass();            //string strIsDerect = comboBoxEditType.SelectedIndex.ToString();            //设置SDE连接属性信息：直连或非直连            if (type == "0")            {                mPPropSet.SetProperty("SERVER", txtServer);                mPPropSet.SetProperty("INSTANCE", txtService);                //mPPropSet.SetProperty("Database", "");                mPPropSet.SetProperty("AUTHENTICATION_MODE", "DBMS");                mPPropSet.SetProperty("User", txtUserId);                mPPropSet.SetProperty("password", txtPassword);                mPPropSet.SetProperty("version", "SDE.DEFAULT");            }            else if (type == "1")            {                mPPropSet.SetProperty("INSTANCE", txtService);                mPPropSet.SetProperty("User", txtUserId);                mPPropSet.SetProperty("password", txtPassword);                mPPropSet.SetProperty("version", "SDE.DEFAULT");            }            _dbConnName = txtService;            return mPPropSet;        }                private static string GetSdeConn()        {            string sdeconn = AppConfig.SdeConnString;            if (SdeDbUtil.SaveSdeConnectionFile(sdeconn))            {                return sdeconn;            }            return "";        }                                                            //调用执行代码                 //如果polyFeatureName的参数为空字符串，则直接进行数据的拷贝工作            //关于SDE要素的连接字符串描述参见：pFieldMappings.AddTable(“C:\\XXX\XXX\\Connection to XXX.sde\\" + pFeatureClass.FeatureDataset.Name + "\\" + pFeatureClass.AliasName) http://blog.sina.com.cn/s/blog_5d25ac4e0100uhob.html            //将分析的数据保存到GDB数据库中            string srcFeatureClassPath = "";            string srcOutPath = "";            string resFeatureOutPath;            string sdeFile = GetSdeConn();            if (string.IsNullOrEmpty(sdeFile))            {                MessageBoxHelper.ShowMessageBox("无法获取成果库的连接！");                return "";            }            if (!string.IsNullOrEmpty(pntFeaturnName))            {                string srcDbPath = string.Format(@"{0}\{1}", sdeFile, pntFeaturnName);                string outName = string.IsNullOrEmpty(outFeatureName) ? pntFeaturnName : outFeatureName;                srcOutPath = string.Format(@"{0}\{1}", CurrentWorkGdbPath, AnalysisResHelper.GetAnalysisTempName(outName));                GPSelectFeaturesCore selectFeaturesCorePnt = new GPSelectFeaturesCore();                selectFeaturesCorePnt.InputFeatures = srcDbPath;                selectFeaturesCorePnt.OutputFeatureClass = srcOutPath;                selectFeaturesCorePnt.WhereClause = pntFilterCondition;                selectFeaturesCorePnt.DoAnalysis();            }