从WorkSpace中获取FeatureDataset

public static IFeatureDataset GetFeatureDataset(IFeatureWorkspace targetWorkspac, string featureDatasetName)

{

try

{
IWorkspace2 workspace = targetWorkspac as IWorkspace2;
if (workspace.get_NameExists(esriDatasetType.esriDTFeatureDataset, featureDatasetName))
{
isSuccess = true;
IFeatureDataset dataset=targetWorkspac.OpenFeatureDataset(featureDatasetName);
return dataset;
}
}
catch (Exception)
{

}

}