AE删除shp文件

IFeatureWorkspace FWS = workspaceFactory.OpenFromFile(@"D:\TempFolder\FloodGPServer\FloodGPServer\ToolData.gdb", 0) as IFeatureWorkspace;
            IFeatureClass pFeatureClass = FWS.OpenFeatureClass("shp");
            IDataset pDataset = pFeatureClass as IDataset;
            pDataset.Delete();