I had installed the version of .Net 2.

I've downloaded the trial for the last ultimate package.

I've installed, asp_net, and Jquery.

From the toolbox, in a webform, I press choose items.

I find UltraWebGrid, of infragistics2, but not of infragistics4.

I do find for example, UleWebCalcManger, of  infragistics4.(and also of 2)