User Registration process in asp.net
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**Re: Registration process for users with unique id generated.**

I have a registration page, where users are required to fill in and complete the registration process. The entire process is in vb and asp.net. Firstly, I send a link for the registration to each user some thing like ex: www.example.com/Registration.aspx?RegId=.... In this process, i would like to add unique Registration Id as the input as well when i send the link. This unique Id needs to retrieve unique number for each user registered. 

All i need is the process i send a link to them and the code which gets the unique sequence of number for each user that is stored in customer table with field name: RegId.

Help is much appreciated.