将图层导入ＳＤＥ有两种情况，一种是直接导入到ＳＤＥ的根目录下，一种是ＳＤＥ中用户建立了要素集(Dataset)，然后往某个要素集中导入数据

第一种情况：直接往ＳＤＥ根目录下导入图层：

view plaincopy to clipboardprint?
bool impLayerByName(IName lName,IWorkspace inWorkspace,IWorkspace outWorkspace)   
      {   
          try  
          {   
              //Open input Featureclass to get field definitions.               
              IFeatureClass inFeatureClass = (IFeatureClass)lName.Open();   
              IFeatureClassName inFeatureClassName = (IFeatureClassName)lName;   
              // Set out dataset and feature class names.   
              IFeatureClassName outFeatureClassName = new FeatureClassNameClass();   
              IDatasetName outDatasetName = (IDatasetName)outFeatureClassName;   
              IDataset outWorkspaceDataset = (IDataset)outWorkspace;   
              IWorkspaceName outWorkspaceName = (IWorkspaceName)outWorkspaceDataset.FullName;   
              outDatasetName.WorkspaceName = outWorkspaceName;   
              //string outFullName = ((IDatasetName)lName).Name;   
              //string outFileName = outFullName.Substring(outFullName.LastIndexOf(".") + 1);   
              outDatasetName.Name = "SDE."+((IDatasetName)lName).Name;   
              //Validate the field names.   
              IFieldChecker fieldChecker = new FieldCheckerClass();   
              IFields outFeatureClassFields;   
              IFields inFeatureClassFields = inFeatureClass.Fields;   
              IEnumFieldError enumFieldError;   
              fieldChecker.InputWorkspace = inWorkspace;   
              fieldChecker.ValidateWorkspace = outWorkspace;   
              // Validate the fields.   
              fieldChecker.Validate(inFeatureClassFields,out enumFieldError,out outFeatureClassFields);   
              // Set up the geometry definition.   
              IField geometryField;   
              geometryField = outFeatureClassFields.get_Field(outFeatureClassFields.FindField(inFeatureClass.ShapeFieldName));   
              // Get the geometry field's geometry definition.   
              IGeometryDef geometryDef = geometryField.GeometryDef;   
              //Set up the IQueryFilter to convert all the features by leaving a blank WhereClause   
              QueryFilter qf = new QueryFilterClass();   
              qf.WhereClause = "";   
              //Load the feature class   
              IFeatureDataConverter fctofc = new FeatureDataConverterClass();   
              IEnumInvalidObject enumErrors = fctofc.ConvertFeatureClass(inFeatureClassName,qf,null,outFeatureClassName,geometryDef,outFeatureClassFields,"",1000,0);  
              return true;   
          }   
          catch (Exception ex)   
          {   
              MessageBox.Show(ex.Message);   
              return false;   
          }   
      }  
  bool impLayerByName(IName lName,IWorkspace inWorkspace,IWorkspace outWorkspace)
        {
            try
            {
                //Open input Featureclass to get field definitions.            
                IFeatureClass inFeatureClass = (IFeatureClass)lName.Open();
                IFeatureClassName inFeatureClassName = (IFeatureClassName)lName;
                // Set out dataset and feature class names.
                IFeatureClassName outFeatureClassName = new FeatureClassNameClass();
                IDatasetName outDatasetName = (IDatasetName)outFeatureClassName;
                IDataset outWorkspaceDataset = (IDataset)outWorkspace;
                IWorkspaceName outWorkspaceName = (IWorkspaceName)outWorkspaceDataset.FullName;
                outDatasetName.WorkspaceName = outWorkspaceName;
                //string outFullName = ((IDatasetName)lName).Name;
                //string outFileName = outFullName.Substring(outFullName.LastIndexOf(".") + 1);
                outDatasetName.Name = "SDE."+((IDatasetName)lName).Name;
                //Validate the field names.
                IFieldChecker fieldChecker = new FieldCheckerClass();
                IFields outFeatureClassFields;
                IFields inFeatureClassFields = inFeatureClass.Fields;
                IEnumFieldError enumFieldError;
                fieldChecker.InputWorkspace = inWorkspace;
                fieldChecker.ValidateWorkspace = outWorkspace;
                // Validate the fields.
                fieldChecker.Validate(inFeatureClassFields,out enumFieldError,out outFeatureClassFields);
                // Set up the geometry definition.
                IField geometryField;
                geometryField = outFeatureClassFields.get_Field(outFeatureClassFields.FindField(inFeatureClass.ShapeFieldName));
                // Get the geometry field's geometry definition.
                IGeometryDef geometryDef = geometryField.GeometryDef;
                //Set up the IQueryFilter to convert all the features by leaving a blank WhereClause
                QueryFilter qf = new QueryFilterClass();
                qf.WhereClause = "";
                //Load the feature class
                IFeatureDataConverter fctofc = new FeatureDataConverterClass();
                IEnumInvalidObject enumErrors = fctofc.ConvertFeatureClass(inFeatureClassName,qf,null,outFeatureClassName,geometryDef,outFeatureClassFields,"",1000,0);
                return true;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                return false;
            }
        }
 

其中，lName是源图层的IName，inWorkspace是源图层所在的工作空间，outWorkspace是要导出到的工作空间，这段代码默认将导出后的图层命名为与源图层一样

第二种情况：往ＳＤＥ中某个要素集导入图层

view plaincopy to clipboardprint?
bool impLayerByNameIntoDataset(IName lName,IWorkspace inWorkspace,IFeatureDataset featureDataset)   
       {   
           try    
        {   
               //IFeatureClassDescription fcDesc = new FeatureClassDescriptionClass();   
               //IObjectClassDescription ocDesc = (IObjectClassDescription)fcDesc;   
            //Open input Featureclass to get field definitions.               
               IFeatureClass inFeatureClass = (IFeatureClass)lName.Open();   
               IFeatureClassName inFeatureClassName = (IFeatureClassName)lName;   
               // Set out dataset and feature class names.   
               IFeatureClassName outFeatureClassName = new FeatureClassNameClass();   
               IDatasetName outDatasetName = (IDatasetName)outFeatureClassName;   
               IDataset outWorkspaceDataset = (IDataset)featureDataset.Workspace;   
               IWorkspaceName outWorkspaceName = (IWorkspaceName)outWorkspaceDataset.FullName;   
               outDatasetName.WorkspaceName = outWorkspaceName;   
               outDatasetName.Name = "SDE." + ((IDatasetName)lName).Name;   
               //Validate the field names.   
               IFieldChecker fieldChecker = new FieldCheckerClass();   
               IFields outFeatureClassFields;   
               IFields inFeatureClassFields = inFeatureClass.Fields;   
               IEnumFieldError enumFieldError;   
               fieldChecker.InputWorkspace = inWorkspace;   
               fieldChecker.ValidateWorkspace = featureDataset.Workspace;   
                                  
               // Validate the fields.   
               fieldChecker.Validate(inFeatureClassFields,out enumFieldError,out outFeatureClassFields);   
               //featureDataset.CreateFeatureClass("SDE." + ((IDatasetName)lName).Name,outFeatureClassFields,ocDesc.InstanceCLSID,ocDesc.ClassExtensionCLSID,esriFeatureType.esriFTSimple,fcDesc.ShapeFieldName,"");  
               // Set up the geometry definition.   
               IField geometryField;   
               geometryField = outFeatureClassFields.get_Field(outFeatureClassFields.FindField(inFeatureClass.ShapeFieldName));   
               // Get the geometry field's geometry definition.   
               IGeometryDef geometryDef = geometryField.GeometryDef;   
               //Set up the IQueryFilter to convert all the features by leaving a blank WhereClause   
               IQueryFilter qf = new QueryFilterClass();   
               qf.WhereClause = "";   
               //Load the feature class   
               IFeatureDataConverter fctofc = new FeatureDataConverterClass();   
               IEnumInvalidObject enumErrors = fctofc.ConvertFeatureClass(inFeatureClassName,qf,(IFeatureDatasetName)featureDataset.FullName,outFeatureClassName,geometryDef,outFeatureClassFields,"",1000,0);  
                                  
               return true;   
        }   
        catch (Exception ex)   
        {   
            MessageBox.Show(ex.Message);   
            return false;   
        }   
              
       }  
 bool impLayerByNameIntoDataset(IName lName,IWorkspace inWorkspace,IFeatureDataset featureDataset)
        {
            try 
         {
                //IFeatureClassDescription fcDesc = new FeatureClassDescriptionClass();
                //IObjectClassDescription ocDesc = (IObjectClassDescription)fcDesc;
          //Open input Featureclass to get field definitions.            
                IFeatureClass inFeatureClass = (IFeatureClass)lName.Open();
                IFeatureClassName inFeatureClassName = (IFeatureClassName)lName;
                // Set out dataset and feature class names.
                IFeatureClassName outFeatureClassName = new FeatureClassNameClass();
                IDatasetName outDatasetName = (IDatasetName)outFeatureClassName;
                IDataset outWorkspaceDataset = (IDataset)featureDataset.Workspace;
                IWorkspaceName outWorkspaceName = (IWorkspaceName)outWorkspaceDataset.FullName;
                outDatasetName.WorkspaceName = outWorkspaceName;
                outDatasetName.Name = "SDE." + ((IDatasetName)lName).Name;
                //Validate the field names.
                IFieldChecker fieldChecker = new FieldCheckerClass();
                IFields outFeatureClassFields;
                IFields inFeatureClassFields = inFeatureClass.Fields;
                IEnumFieldError enumFieldError;
                fieldChecker.InputWorkspace = inWorkspace;
                fieldChecker.ValidateWorkspace = featureDataset.Workspace;
                                
                // Validate the fields.
                fieldChecker.Validate(inFeatureClassFields,out enumFieldError,out outFeatureClassFields);
                //featureDataset.CreateFeatureClass("SDE." + ((IDatasetName)lName).Name,outFeatureClassFields,ocDesc.InstanceCLSID,ocDesc.ClassExtensionCLSID,esriFeatureType.esriFTSimple,fcDesc.ShapeFieldName,"");
                // Set up the geometry definition.
                IField geometryField;
                geometryField = outFeatureClassFields.get_Field(outFeatureClassFields.FindField(inFeatureClass.ShapeFieldName));
                // Get the geometry field's geometry definition.
                IGeometryDef geometryDef = geometryField.GeometryDef;
                //Set up the IQueryFilter to convert all the features by leaving a blank WhereClause
                IQueryFilter qf = new QueryFilterClass();
                qf.WhereClause = "";
                //Load the feature class
                IFeatureDataConverter fctofc = new FeatureDataConverterClass();
                IEnumInvalidObject enumErrors = fctofc.ConvertFeatureClass(inFeatureClassName,qf,(IFeatureDatasetName)featureDataset.FullName,outFeatureClassName,geometryDef,outFeatureClassFields,"",1000,0);
                                
                return true;
         }
         catch (Exception ex)
         {
          MessageBox.Show(ex.Message);
          return false;
         }
            
        }
 

其中，lName是源图层的IName，inWorkspace是源图层所在的工作空间，featureDataset是目标数据集,这段代码默认将导出后的图层命名为与源图层一样

附：获取SDE中数据集(Dataset)的方法：

view plaincopy to clipboardprint?
 //在SDE里查找名称为datasetName的Dataset   
IFeatureDataset outSet = null;   
IEnumDatasetName idNames = outSpace.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);   
IDatasetName idNames.Reset();   
fNameBase = idNames.Next();   
while (fNameBase != null)   
{   
     if(fNameBase.Name == datasetName)    outSet = (IFeatureDataset)((IName)fNameBase).Open();                      
     fNameBase = idNames.Next();   
}  
 //在SDE里查找名称为datasetName的Dataset
IFeatureDataset outSet = null;
IEnumDatasetName idNames = outSpace.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);
IDatasetName idNames.Reset();
fNameBase = idNames.Next();
while (fNameBase != null)
{
     if(fNameBase.Name == datasetName)    outSet = (IFeatureDataset)((IName)fNameBase).Open();                   
     fNameBase = idNames.Next();
}

其中outSpace为已经打开的SDE工作空间

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/rrrrssss00/archive/2009/04/14/4071573.aspx