如何判断是datatable还是list
我要为数据控件绑定数据，传入数据可能是datatable或list,所以我传入变量的类型为objet，但是传入后我如何判断是datatable还是list类型？？

[解决办法]

C# code

public partial class CSDN_Code_1 : System.Web.UI.Page{    public string typeHmtl = string.Empty;    public string typeHmtl_1 = string.Empty;    object data_type = new object();    protected void Page_Load(object sender, EventArgs e)    {        if (!IsPostBack)        {            Random rd = new Random();            if (rd.Next(100) % 2 == 0)            {                data_type = new DataTable();            }            else             {                data_type = new List<string>();            }            // 第1种方式判断            if (data_type is DataTable)            {                typeHmtl = "DataTable";            }            else {                typeHmtl = "List<string>";            }            // 第二种方式判断            Type type=data_type.GetType();            if (type == typeof(DataTable))            {                typeHmtl_1 = "DataTable";            }            else             {                typeHmtl_1 = "List<string>";            }        }    }}