Описание тега datalist
An ASP.NET control for rendering data in a list.
DataList is a short form of Gridview in ASP.NET or in other languages. It has only one column that is used to display data as a list ( GridView Column Vs. DataList Column). It displays one column and multiple rows.
After setting the data to datalist from different data sources, you need to bind DataList for displaying the data in a list.