if you wanted to use jquery like for showing/hiding panel
when button clicked inside datalist itemtemplate then you
experienced that the action is repeated per item.

code behind file codes -

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;

MySQL provides drivers for .Net enabling building database
applications by their appropriate languages.

you may have seen input textbox becomes wider
dynamically in some websites when mouse cursor is
placed on it(in focus) to take some user input.It's
attractive to see and in this way it makes spaces
for larger input.

I wanted paging for showing datalist items in pages.for
that i used pageddatasource.it's necessary very much.
following codes show how to add paging for datalist items -