Hello ,
when i create a username,I wanted to do check the username from a Active directory and if the username is exist already then i wanted to create another username by adding an integer. for example.....

first person when he create a username the username will be
dave-1
2nd person
dave-2
when the third person try...the available username should be dave-3

how can I do that in C#? can anybody help me out?

regards,
Thaya