System.IndexOutOfRangeException: There is no row at position 0. at System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) at System.Data.DataRowCollection.get_Item(Int32 index) at Web_AppService.GetEDM.Page_Load(Object sender, EventArgs e) in D:\Git\柏瑞投信_MHU\Web\Web_AppService\GetEDM.aspx.cs:line 43