Hello Abhishek,
Putting arbitrary HTML in the node's text may lead
to invalid HTML since the text of the node is rendered in a SPAN tag. For
example It is not permitted to render DIV within SPAN tags.
On a side
note you can use templates runtime. I suggest you check
this help topic for more details. You can even instantiate controls and add it to
your Node's controls collection.
All the best,
Paul
the Telerik team