生活随笔
收集整理的這篇文章主要介紹了
DE连接，创建数据集，数据导入以及数据导出(转载）
小編覺得挺不錯的,現在分享給大家,幫大家做個參考.
轉自：http://blog.csdn.net/kone0611/article/details/51532006
界面
?
?
?
2.數據庫的連接
[csharp]?view plaincopy
IWorkspace?workspace;??IFeatureWorkspace?featureWorkspace;??IRasterWorkspaceEx?rasterWorkspaceEx;??IFeatureDataset?featureDataset;??IRasterDataset?rasterDataset;??IPropertySet?propertySet;??private?void?btnConnectDB_Click(object?sender,?EventArgs?e)??{??????propertySet?=?new?PropertySetClass();??????propertySet.SetProperty("server",?"Toby-PC");??????propertySet.SetProperty("instance",?"5151/tcp");??????propertySet.SetProperty("database",?"sde");??????propertySet.SetProperty("user",?"sde");??????propertySet.SetProperty("password",?"Toby521904");??????propertySet.SetProperty("version",?"SDE.DEFAULT");??????IWorkspaceFactory?workspaceFactory?=new?SdeWorkspaceFactory();??????workspace?=?workspaceFactory.Open(propertySet,?0);??????MessageBox.Show("連接成功");??????}?? 3.創建數據集
[csharp]?view plaincopy
private?void?btnCreateDataSet_Click(object?sender,?EventArgs?e)??????{??????????if?(this.txtRasterDS.Text?!=?""?||?this.txtFeatureDS.Text?!=?"")??????????{??????????????featureWorkspace?=?workspace?as?IFeatureWorkspace;??????????????rasterWorkspaceEx?=?workspace?as?IRasterWorkspaceEx;??????????????IEnumDatasetName?enumDatasetName;??????????????bool?isExit?=?false;??????????????IDatasetName?datasetName;??????????????string?dsName?=?"";??????????????if?(this.txtFeatureDS.Text?!=?"")??????????????{??????????????????????????????????ISpatialReferenceFactory?spatialReferenceFactory?=?new?SpatialReferenceEnvironmentClass();??????????????????ISpatialReference?spatialReference?=?spatialReferenceFactory.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_Beijing1954);??????????????????spatialReference.SetDomain(-1000,?-1000,?1000,?1000);??????????????????enumDatasetName?=?workspace.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);??????????????????datasetName?=?enumDatasetName.Next();??????????????????isExit?=?false;??????????????????dsName?=?"sde.SDE."?+?this.txtFeatureDS.Text;??????????????????while?(datasetName?!=?null)??????????????????{??????????????????????if?(datasetName.Name?==?dsName)??????????????????????{??????????????????????????isExit?=?true;??????????????????????????MessageBox.Show("矢量數據集已經存在！");??????????????????????????this.txtFeatureDS.Focus();??????????????????????????return;??????????????????????}??????????????????????datasetName?=?enumDatasetName.Next();??????????????????}??????????????????if?(isExit?==?false)??????????????????{??????????????????????featureDataset?=?featureWorkspace.CreateFeatureDataset(this.txtFeatureDS.Text,?spatialReference);??????????????????}??????????????????MessageBox.Show("矢量數據集創建成功");??????????????}??????????????if?(this.txtRasterDS.Text?!=?"")??????????????{??????????????????????????????????isExit?=?false;??????????????????enumDatasetName?=?workspace.get_DatasetNames(esriDatasetType.esriDTRasterDataset);??????????????????datasetName?=?enumDatasetName.Next();??????????????????dsName?=?"SDE."?+?this.txtRasterDS.Text;??????????????????while?(datasetName?!=?null)??????????????????{??????????????????????if?(datasetName.Name?==?dsName)??????????????????????{??????????????????????????isExit?=?true;??????????????????????????MessageBox.Show("矢量數據集已經存在！");??????????????????????????break;??????????????????????}??????????????????????datasetName?=?enumDatasetName.Next();??????????????????}??????????????????if?(isExit?==?false)??????????????????{??????????????????????IRasterStorageDef?rasterStorageDef?=?new?RasterStorageDefClass();??????????????????????rasterStorageDef.CompressionType?=?esriRasterCompressionType.esriRasterCompressionUncompressed;??????????????????????rasterStorageDef.PyramidLevel?=?1;??????????????????????rasterStorageDef.PyramidResampleType?=?rstResamplingTypes.RSP_BilinearInterpolation;??????????????????????rasterStorageDef.TileHeight?=?128;??????????????????????rasterStorageDef.TileWidth?=?128;??????????????????????IRasterDef?rasterDef?=?new?RasterDefClass();??????????????????????ISpatialReference?rasterDSpatialReference?=?new?UnknownCoordinateSystemClass();??????????????????????rasterDef.SpatialReference?=?rasterDSpatialReference;??????????????????????IGeometryDef?geometryDef?=?new?GeometryDefClass();??????????????????????IGeometryDefEdit?geometryDefEdit?=?(IGeometryDefEdit)geometryDef;??????????????????????geometryDefEdit.AvgNumPoints_2?=?5;??????????????????????geometryDefEdit.GridCount_2?=?1;??????????????????????geometryDefEdit.set_GridSize(0,?1000);??????????????????????geometryDefEdit.GeometryType_2?=?esriGeometryType.esriGeometryPolygon;??????????????????????ISpatialReference?spatialReference2?=?new?UnknownCoordinateSystemClass();??????????????????????geometryDefEdit.SpatialReference_2?=?spatialReference2;??????????????????????rasterDataset?=?rasterWorkspaceEx.CreateRasterDataset(this.txtRasterDS.Text,?1,?rstPixelType.PT_LONG,?rasterStorageDef,?"DEFAULTS",?rasterDef,?geometryDef);??????????????????????MessageBox.Show("柵格數據集創建成功");??????????????????}??????????????}??????????}??????}<span?style="font-family:?Arial,?Helvetica,?sans-serif;?background-color:?rgb(255,?255,?255);">?</span>?? 4.矢量數據直接導入sde
[csharp]?view plaincopy
private?void?importFToSDE_Click(object?sender,?EventArgs?e)??????{??????????try??????????{??????????????IDataset?pDataSet?=?workspace?as?IDataset;??????????????this.openFileDialog1.Filter?=?"shp?file(*.shp)|*.shp";??????????????this.openFileDialog1.Title?=?"打開矢量數據";??????????????this.openFileDialog1.Multiselect?=?false;??????????????string?fileName?=?"";??????????????if?(this.openFileDialog1.ShowDialog()?==?DialogResult.OK)??????????????{??????????????????fileName?=?this.openFileDialog1.FileName;??????????????????FileInfo?fileInfo?=?new?FileInfo(fileName);??????????????????string?filePath?=?fileInfo.DirectoryName;??????????????????string?file?=?fileInfo.Name;??????????????????FeatureClassToFeatureClass(pDataSet,?filePath,?file,?"dddd",?true);??????????????}??????????????MessageBox.Show("導入成功");??????????}??????????catch?(Exception?ee)??????????{??????????????MessageBox.Show(ee.ToString());??????????}???????}?? ?
[csharp]?view plaincopy
public?void?FeatureClassToFeatureClass(IDataset?pDataSet,?string?strFeatFileDir,?string?strFeatFileName,?string?strOutName,?bool?isWorkspace)??{??????try??????{??????????IWorkspaceFactory?pWSF?=?new?ShapefileWorkspaceFactoryClass();??????????IFeatureWorkspace?pFeatureWK?=?(IFeatureWorkspace)pWSF.OpenFromFile(strFeatFileDir,?0);??????????IFeatureClass?pInFeatureClass?=?pFeatureWK.OpenFeatureClass(strFeatFileName);??????????if?(pInFeatureClass?==?null?||?pDataSet?==?null)??????????{??????????????MessageBox.Show("創建失敗");??????????????return;??????????}??????????IFeatureClassName?pInFeatureclassName;??????????IDataset?pIndataset?=?(IDataset)pInFeatureClass;??????????pInFeatureclassName?=?(IFeatureClassName)pIndataset.FullName;??????????????????IWorkspace2?pWS2?=?null;??????????if?(isWorkspace)??????????????pWS2?=?pDataSet?as?IWorkspace2;??????????else??????????????pWS2?=?pDataSet.Workspace?as?IWorkspace2;??????????if?(pWS2.get_NameExists(esriDatasetType.esriDTFeatureClass,?strOutName))??????????{??????????????DialogResult?result;??????????????result?=?System.Windows.Forms.MessageBox.Show(null,?"矢量文件名??"?+?strOutName?+?"??在數據庫中已存在!"?+?"/r是否覆蓋?",?"相同文件名",?MessageBoxButtons.YesNo,?MessageBoxIcon.Information,?MessageBoxDefaultButton.Button1);??????????????????????????if?(result?==?DialogResult.Yes)??????????????{??????????????????IFeatureWorkspace?pFWS?=?(IFeatureWorkspace)pWS2;??????????????????IDataset?pDataset?=?pFWS.OpenFeatureClass(strOutName)?as?IDataset;??????????????????pDataset.Delete();??????????????????pDataset?=?null;??????????????}??????????}??????????IFields?pInFields,?pOutFields;??????????IFieldChecker?pFieldChecker?=?new?FieldCheckerClass();??????????IEnumFieldError?pError;??????????pInFields?=?pInFeatureClass.Fields;??????????pFieldChecker.Validate(pInFields,?out?pError,?out?pOutFields);??????????IField?geoField?=?null;??????????for?(int?i?=?0;?i?<?pOutFields.FieldCount;?i++)??????????{??????????????IField?pField?=?pOutFields.get_Field(i);??????????????if?(pField.Type?==?esriFieldType.esriFieldTypeOID)??????????????{??????????????????IFieldEdit?pFieldEdit?=?(IFieldEdit)pField;??????????????????pFieldEdit.Name_2?=?pField.AliasName;??????????????}??????????????if?(pField.Type?==?esriFieldType.esriFieldTypeGeometry)??????????????{??????????????????geoField?=?pField;??????????????????break;??????????????}??????????}??????????IGeometryDef?geometryDef?=?geoField.GeometryDef;??????????IFeatureDataConverter?one2another?=?new?FeatureDataConverterClass();??????????IFeatureClassName?pOutFeatureClassName?=?new?FeatureClassNameClass();??????????IDatasetName?pOutDatasetName?=?(IDatasetName)pOutFeatureClassName;??????????if?(isWorkspace)??????????????pOutDatasetName.WorkspaceName?=?(IWorkspaceName)pDataSet.FullName;??????????else??????????????pOutDatasetName.WorkspaceName?=?(IWorkspaceName)((IDataset)pDataSet.Workspace).FullName;??????????pOutDatasetName.Name?=?strOutName;??????????if?(isWorkspace)??????????{??????????????one2another.ConvertFeatureClass(pInFeatureclassName,?null,?null,?pOutFeatureClassName,?geometryDef,?pOutFields,?"",?1000,?0);??????????}??????????else??????????{??????????????IFeatureDataset?pFeatDS?=?(IFeatureDataset)pDataSet;??????????????IFeatureDatasetName?pOutFeatDSName?=?pFeatDS.FullName?as?IFeatureDatasetName;??????????????one2another.ConvertFeatureClass(pInFeatureclassName,?null,?pOutFeatDSName,?pOutFeatureClassName,?geometryDef,?pOutFields,?"",?1000,?0);??????????????pOutFeatDSName?=?null;??????????????pFeatDS?=?null;??????????}??????}??????catch?(Exception?ex)??????{??????????MessageBox.Show(ex.Message);??????????return;??????}??}?? 5.矢量數據導入sde數據集
? ? ? ?
[csharp]?view plaincopy
private?void?importF_Click(object?sender,?EventArgs?e)??????{??????????featureWorkspace?=?workspace?as?IFeatureWorkspace;??????????this.openFileDialog1.Filter?=?"shp?file(*.shp)|*.shp";??????????this.openFileDialog1.Title?=?"打開矢量數據";??????????this.openFileDialog1.Multiselect?=?false;??????????string?fileName?=?"";??????????if?(this.openFileDialog1.ShowDialog()?==?DialogResult.OK)??????????{??????????????fileName?=?this.openFileDialog1.FileName;??????????????FileInfo?fileInfo?=?new?FileInfo(fileName);??????????????string?filePath?=?fileInfo.DirectoryName;??????????????string?file?=?fileInfo.Name;??????????????IWorkspaceFactory?shpwpf?=?new?ShapefileWorkspaceFactory();??????????????IWorkspace?shpwp?=?shpwpf.OpenFromFile(filePath,?0);??????????????IFeatureWorkspace?shpfwp?=?shpwp?as?IFeatureWorkspace;??????????????IFeatureClass?shpfc?=?shpfwp.OpenFeatureClass(file);??????????????????????????IFeatureClass?sdeFeatureClass?=?null;??????????????IFeatureClassDescription?featureClassDescription?=?new?FeatureClassDescriptionClass();??????????????IObjectClassDescription?objectClassDescription?=?featureClassDescription?as?IObjectClassDescription;??????????????IFields?fields?=?shpfc.Fields;??????????????IFieldChecker?fieldChecker?=?new?FieldCheckerClass();??????????????IEnumFieldError?enumFieldError?=?null;??????????????IFields?vFields?=?null;??????????????fieldChecker.ValidateWorkspace?=?featureWorkspace?as?IWorkspace;??????????????fieldChecker.Validate(fields,out?enumFieldError,out?vFields);??????????????featureDataset?=?featureWorkspace.OpenFeatureDataset(this.txtFeatureDS.Text);??????????????try??????????????{??????????????????sdeFeatureClass?=?featureWorkspace.OpenFeatureClass(shpfc.AliasName);??????????????}??????????????catch??????????????{???????????????????????????????}??????????????if?(sdeFeatureClass?==?null)??????????????{??????????????????sdeFeatureClass?=?featureDataset.CreateFeatureClass(shpfc.AliasName,?vFields,??????????????????????objectClassDescription.InstanceCLSID,?objectClassDescription.ClassExtensionCLSID,??????????????????????shpfc.FeatureType,?shpfc.ShapeFieldName,?"");??????????????????IFeatureCursor?featureCursor?=?shpfc.Search(null,?true);??????????????????IFeature?feature?=?featureCursor.NextFeature();??????????????????IFeatureCursor?sdeFeatureCursor?=?sdeFeatureClass.Insert(true);??????????????????IFeatureBuffer?sdeFeatureBuffer;??????????????????while?(feature?!=?null)??????????????????{??????????????????????sdeFeatureBuffer?=?sdeFeatureClass.CreateFeatureBuffer();??????????????????????IField?shpField?=?new?FieldClass();??????????????????????IFields?shpFields?=?feature.Fields;??????????????????????for?(int?i?=?0;?i?<?shpFields.FieldCount;?i++)??????????????????????{??????????????????????????shpField?=?shpFields.get_Field(i);??????????????????????????int?index?=?sdeFeatureBuffer.Fields.FindField(shpField.Name);??????????????????????????if?(index?!=?-1)??????????????????????????{??????????????????????????????sdeFeatureBuffer.set_Value(index,?feature.get_Value(i));??????????????????????????}??????????????????????}??????????????????????sdeFeatureCursor.InsertFeature(sdeFeatureBuffer);??????????????????????sdeFeatureCursor.Flush();??????????????????????feature?=?featureCursor.NextFeature();??????????????????}??????????????}??????????}??????????MessageBox.Show("導入成功");??????}?? 6.導入柵格數據
?
[csharp]?view plaincopy
private?void?importR_Click(object?sender,?EventArgs?e)??????{??????????this.openFileDialog1.Filter?=?"Imag?file?(*.img)|*.img";??????????this.openFileDialog1.Title?=?"打開影像數據";??????????this.openFileDialog1.Multiselect?=?false;??????????string?fileName?=?"";??????????if?(this.openFileDialog1.ShowDialog()?==?DialogResult.OK)??????????{??????????????fileName?=?this.openFileDialog1.FileName;??????????????string?filepath;??????????????string?file;??????????????string?file1;??????????????int?lastIndex;??????????????lastIndex?=?fileName.LastIndexOf(@"");??????????????filepath?=?fileName.Substring(0,?lastIndex);??????????????file?=?fileName.Substring(lastIndex?+?1);??????????????????????????rasterWorkspaceEx?=?workspace?as?IRasterWorkspaceEx;??????????????IWorkspaceFactory?tifwpf?=?new?RasterWorkspaceFactoryClass();??????????????IWorkspace?tifwp?=?tifwpf.OpenFromFile(filepath,?0);??????????????IRasterWorkspace?tifrwp?=?tifwp?as?IRasterWorkspace;??????????????IRasterDataset?rasterDataset?=?tifrwp.OpenRasterDataset(file);??????????????lastIndex?=?file.LastIndexOf(@".");??????????????file1?=?file.Substring(0,?lastIndex);??????????????imortRasterData(filepath,?file,?file1);??????????????MessageBox.Show("導入成功");??????????}??????}??
[csharp]?view plaincopy
private?void?imortRasterData(string?strRasterFileDir,?string?strRasterFileName,?string?strOutName)??????{??????????try??????????{??????????????????????????IWorkspace2?pWS2?=?workspace?as?IWorkspace2;??????????????????????????if?(pWS2.get_NameExists(esriDatasetType.esriDTRasterDataset,?strOutName))??????????????{??????????????????DialogResult?result;??????????????????result?=?MessageBox.Show(this,?"柵格文件名??"?+?strOutName?+?"??在數據庫中已存在!"?+?"\r是否覆蓋?",?"相同文件名",?MessageBoxButtons.YesNo,?MessageBoxIcon.Information,?MessageBoxDefaultButton.Button1);??????????????????????????????????if?(result?==?DialogResult.Yes)??????????????????{??????????????????????IRasterWorkspaceEx?pRWs?=?workspace?as?IRasterWorkspaceEx;??????????????????????IDataset?pDataset?=?pRWs.OpenRasterDataset(strOutName)?as?IDataset;??????????????????????pDataset.Delete();??????????????????????pDataset?=?null;??????????????????}??????????????????else?if?(result?==?DialogResult.No)??????????????????{??????????????????????return;??????????????????}??????????????}??????????????IWorkspaceFactory?pRasterWsFac?=?new?RasterWorkspaceFactoryClass();??????????????IWorkspace?pWs?=?pRasterWsFac.OpenFromFile(strRasterFileDir,?0);??????????????IRasterDataset?pRasterDs?=?null;??????????????IRasterWorkspace?pRasterWs;??????????????if?(!(pWs?is?IRasterWorkspace))??????????????{??????????????????return;??????????????}??????????????pRasterWs?=?pWs?as?IRasterWorkspace;??????????????pRasterDs?=?pRasterWs.OpenRasterDataset(strRasterFileName);??????????????ISaveAs2?saveAs2?=?(ISaveAs2)pRasterDs;??????????????IRasterStorageDef?rasterStorageDef?=?new?RasterStorageDefClass();??????????????IRasterStorageDef2?rasterStorageDef2?=?(IRasterStorageDef2)rasterStorageDef;??????????????rasterStorageDef2.CompressionType?=esriRasterCompressionType.esriRasterCompressionUncompressed;??????????????rasterStorageDef2.CompressionQuality?=?100;??????????????rasterStorageDef2.Tiled?=?true;??????????????rasterStorageDef2.TileHeight?=?128;??????????????rasterStorageDef2.TileWidth?=?128;??????????????saveAs2.SaveAsRasterDataset(strOutName,?workspace,?"gdb",?rasterStorageDef2);??????????}??????????catch?(Exception?ex)??????????{??????????????MessageBox.Show(ex.ToString());??????????????return;??????????}??????}?? ?
7.從SDE中讀取數據
[csharp]?view plaincopy
private?void?ReadFromSDE_Click(object?sender,?EventArgs?e)??????{??????????this.cbbDataSet.Items.Clear();??????????this.FeatureLayer.Items.Clear();??????????this.RasterLayer.Items.Clear();??????????IEnumDatasetName?enumDatasetName;??????????IDatasetName?datasetName;??????????????????enumDatasetName?=?workspace.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);??????????datasetName?=?enumDatasetName.Next();??????????while?(datasetName?!=?null)??????????{??????????????this.cbbDataSet.Items.Add(datasetName.Name);??????????????datasetName?=?enumDatasetName.Next();??????????}??????????????????enumDatasetName=workspace.get_DatasetNames(esriDatasetType.esriDTFeatureClass);??????????datasetName?=?enumDatasetName.Next();??????????while?(datasetName?!=?null)??????????{??????????????this.FeatureLayer.Items.Add(datasetName.Name);??????????????datasetName?=?enumDatasetName.Next();??????????}??????????????????enumDatasetName?=?workspace.get_DatasetNames(esriDatasetType.esriDTRasterDataset);??????????datasetName?=?enumDatasetName.Next();??????????while?(datasetName?!=?null)??????????{??????????????this.RasterLayer.Items.Add(datasetName.Name);??????????????datasetName?=?enumDatasetName.Next();??????????}??????????MessageBox.Show("讀取成功");??????}?? 8.遍歷數據集中的文件
[csharp]?view plaincopy
private?void?cbbDataSet_TextChanged(object?sender,?EventArgs?e)??????{??????????this.FeatureLayer.Items.Clear();??????????IDataset?dataset;??????????IEnumDataset?enumDataset;??????????enumDataset?=?workspace.get_Datasets(esriDatasetType.esriDTFeatureDataset);??????????dataset?=?enumDataset.Next();??????????IDataset?pDataset?=?null;??????????while?(dataset?!=?null)??????????{??????????????if?(dataset.Name?==?this.cbbDataSet.Text)??????????????{??????????????????pDataset?=?dataset?as?IDataset;??????????????????break;??????????????}??????????????dataset?=?enumDataset.Next();??????????}??????????IFeatureDataset?featDs?=?pDataset?as?IFeatureDataset;??????????IFeatureClassContainer?fcContainer?=?featDs?as?IFeatureClassContainer;??????????for?(int?i?=?0;?i?<?fcContainer.ClassCount;?i++)??????????{??????????????this.FeatureLayer.Items.Add(fcContainer.get_Class(i).AliasName);??????????}??????}?? 9.數據的加載
[csharp]?view plaincopy
private?void?btnOk_Click(object?sender,?EventArgs?e)??????{??????????????????if?(this.FeatureLayer.Text?!=?""?&&?this.cbbDataSet.Text?==?"")??????????{??????????????IEnumDataset?enumDataset;??????????????IDataset?dataset;??????????????IFeatureLayer?pFeatureLayer=new?FeatureLayerClass();??????????????????????????enumDataset?=?workspace.get_Datasets(esriDatasetType.esriDTFeatureClass);??????????????dataset?=?enumDataset.Next();??????????????while?(dataset?!=?null)??????????????{??????????????????if?(dataset.Name.ToLower()?==?this.FeatureLayer.Text.ToLower())??????????????????{??????????????????????pFeatureLayer.FeatureClass?=?dataset?as?IFeatureClass;??????????????????????break;??????????????????}??????????????????dataset?=?enumDataset.Next();??????????????}??????????????this.axMapControl1.AddLayer(pFeatureLayer?as?ILayer);??????????????this.axMapControl1.Extent?=?this.axMapControl1.FullExtent;??????????}??????????????????if?(this.FeatureLayer.Text?!=?""?&&?this.cbbDataSet.Text?!=?"")??????????{??????????????IDataset?dataset;??????????????IEnumDataset?enumDataset;??????????????enumDataset?=?workspace.get_Datasets(esriDatasetType.esriDTFeatureDataset);??????????????dataset?=?enumDataset.Next();??????????????IDataset?pDataset?=?null;??????????????while?(dataset?!=?null)??????????????{??????????????????if?(dataset.Name?==?this.cbbDataSet.Text)??????????????????{??????????????????????pDataset?=?dataset?as?IDataset;??????????????????????break;??????????????????}??????????????????dataset?=?enumDataset.Next();??????????????}??????????????IFeatureDataset?featDs?=?pDataset?as?IFeatureDataset;??????????????IFeatureLayer?pFeatureLayer?=?new?FeatureLayerClass();??????????????IFeatureClassContainer?fcContainer?=?featDs?as?IFeatureClassContainer;??????????????for?(int?i?=?0;?i?<?fcContainer.ClassCount;?i++)??????????????{??????????????????if?(fcContainer.get_Class(i).AliasName.ToLower()?==?this.FeatureLayer.Text.ToLower())??????????????????{??????????????????????pFeatureLayer.FeatureClass?=?fcContainer.get_Class(i)?as?IFeatureClass;??????????????????????break;??????????????????}??????????????????????????????}??????????????this.axMapControl1.AddLayer(pFeatureLayer?as?ILayer);??????????????this.axMapControl1.Extent?=?this.axMapControl1.FullExtent;??????????}??????????????????if?(this.RasterLayer.Text?!=?"")??????????{??????????????IDataset?dataset;??????????????IEnumDataset?enumDataset;??????????????enumDataset?=?workspace.get_Datasets(esriDatasetType.esriDTRasterDataset);??????????????dataset?=?enumDataset.Next();??????????????IDataset?pDataset?=?null;??????????????while?(dataset?!=?null)??????????????{??????????????????if?(dataset.Name.ToLower()?==?this.RasterLayer.Text.ToLower())??????????????????{??????????????????????pDataset?=?dataset?as?IDataset;??????????????????????break;??????????????????}??????????????????dataset?=?enumDataset.Next();??????????????}??????????????IRasterDataset?pRasterDataset?=?dataset?as?IRasterDataset;??????????????IRasterLayer?pRasLyr=new?RasterLayerClass();??????????????pRasLyr.CreateFromDataset(pRasterDataset);??????????????this.axMapControl1.AddLayer(pRasLyr?as?ILayer);??????????????this.axMapControl1.Extent?=?this.axMapControl1.FullExtent;??????????}??????????MessageBox.Show("加載成功");??????} ?
總結
以上是生活随笔為你收集整理的DE连接，创建数据集，数据导入以及数据导出(转载）的全部內容，希望文章能夠幫你解決所遇到的問題。
如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。
