Hi Everyone.
Iam working on vb.net windows application.Iam inserting User Name and Pass word in to a text file.Now i want to avoid duplicate user names into the text file ,so how can i check the entered user name exists or not .If it exists then get a message that the User Name already exists.
I have a text file where in the data is
indoo;indoo;Admin
indraja;indraja;User
Now i want is if i enter user name as "indoo" again i have to get a message user name already exists.
Please its very Urgent.
Help me.
Iam working on vb.net windows application.Iam inserting User Name and Pass word in to a text file.Now i want to avoid duplicate user names into the text file ,so how can i check the entered user name exists or not .If it exists then get a message that the User Name already exists.
I have a text file where in the data is
indoo;indoo;Admin
indraja;indraja;User
Now i want is if i enter user name as "indoo" again i have to get a message user name already exists.
Please its very Urgent.
Help me.