I have a unique Id maped to developer source 1 but when I click on calendar entry say Id=2 it open up all the events starting from 2 i.e 2, 20, 21, 25, 200, 2051
I want Event with Id 2 should open I know I am doing something wrong but I don't know what Help!!!

The calendar is performing a find for your event ids, so if the id field is text, then a find for "2" will find 22, 201, etc. So you'll want to change your id field to a number (easier) or pad all your ids with prefixes so you have ids like 00000002 instead of 2. That second fix means changing the ids of existing records, which I wouldn't want to do, personally.

Thanks