public void DatasetGridInfoEample(Workspace workspace,Datasource datasource)
{
    // 创建一个栅格数据集信息对象，对其进行必要的设置
    DatasetGridInfo datasetGridInfo = new DatasetGridInfo();
    datasetGridInfo.Name = "栅格数据集信息";
    datasetGridInfo.BlockSizeOption = BlockSizeOption.BS_128;
    datasetGridInfo.Height = 200;
    datasetGridInfo.Width = 200;
    datasetGridInfo.NoValue = 1.0;
    datasetGridInfo.PixelFormat = PixelFormat.Single;
    datasetGridInfo.EncodeType = EncodeType.LZW;

    //如果数据集集合中包含名称为“栅格数据集信息”数据集，则删除
    String datasetName = datasetGridInfo.Name;
    if(datasource.Datasets.Contains(datasetName))
        {
            datasource.Datasets.Delete(datasetName);
        }

    // 通过栅格数据集信息创建栅格数据集
    DatasetGrid datasetGrid = datasource.Datasets.Create(datasetGridInfo);
}