As many of you already know that SimpleQuery allows you to access any ESR/ID object in raw xml or encoded form.
http://host:port/rep/support/SimpleQuery for ESR Objects
http://host:port/dir/support/SimpleQuery for ID Objects
But DataType has got special treatment. It allows displaying the details in HTML format as well.
Unfortunately HTML feature is available only for PI >=7.1. For PI < 7.0, you can display Data Type as xml like other objects.
P provides Data Type in HTML format as shown below.
R provides raw xml as usual as shown below: