AE中SDE空间内移动要素类FeatureClass，提示参考系不一样（程序中修改了参照系）

/// <summary>
        /// 在SDE空间内移动要素类
        /// </summary>
        /// <param name="TargetDatasetName"></param>
        /// <param name="FCName"></param>
        public void MoveFeatureClass(string TargetDatasetName, string FCName)
        {
            IWorkspaceName targetWorkspaceName = getWorkspaceName("esriDataSourcesGDB.SdeWorkspaceFactory", sdePath);
            IName targetWorkspaceIName = (IName)targetWorkspaceName;
            IWorkspace targetWorkspace = (IWorkspace)targetWorkspaceIName.Open();

            BaseFunctions bf = new BaseFunctions();
            IDataset pDS_temp = bf.getDataset(TargetDatasetName);//目标要素集
            IFeatureClass pFC_temp = bf.GetFeatClass(pDS_temp, FCName);//目标要素集中的要素类(待删除)
            IDataset delFeatCls = pFC_temp as IDataset;
            //if (delFeatCls.CanDelete()) delFeatCls.Delete();
            //IDataset tempDs = sourceFeatureClass as IDataset;
            //tempDs.Rename(str_featureClassName);
            IFeatureWorkspace pFeatureWorkspace = targetWorkspace as IFeatureWorkspace;
            IFeatureDataset pFeatureDataset = pFeatureWorkspace.OpenFeatureDataset(TargetDatasetName);
            IFeatureClass pFC_add = pFeatureWorkspace.OpenFeatureClass(targetFCName);//新增的要素类

            //更改源要素类的参考空间
            IGeoDataset sourceGeoDataset = pFC_add as IGeoDataset;
            IGeoDataset targetGeoDataset = pFeatureDataset as IGeoDataset;
            IGeoDatasetSchemaEdit pGeoDatasetSchemaEdit = sourceGeoDataset as IGeoDatasetSchemaEdit;
            if (pGeoDatasetSchemaEdit.CanAlterSpatialReference == true)
                pGeoDatasetSchemaEdit.AlterSpatialReference(targetGeoDataset.SpatialReference);

            IDatasetContainer pDatasetContainer = pFeatureDataset as IDatasetContainer;
            pDatasetContainer.AddDataset(pFC_add as IDataset);
        }