Sorting for DataList in asp.net data bound Control

Hi All,

Here We used data List control to bind the List in SharePoint.But we need sorting for Each column for datalist control.

Can any one suggest me how to do?

In Page Load it's displaying data like this:See below screen shot

When we apply sorting for last name it will display below :

We used data list Control.How to do this requirement.

Can any one Help me...

Thanks