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();

            }