生成sde

        /// <summary>
        ///获取保存的SDE文件
        /// </summary>
        /// <param name="sdePath"></param>
        /// <returns></returns>
        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(), );
                // 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 == "")
            {
                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 == "")
            {
                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();
            }