It's a good practice to show orange border when you set focus to textbox.
also the border will stay for some seconds.this way user know
that they have to do task on that textbox.

If you want to run your software with same width and
height as your monitor's width and height then
implement the following technique in your application-

the following codes will help you to implement check all
or uncheck all capability in the gridview.in that case
when header check box checked all items check box will
be checked and vice versa.

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.