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Verify user exits

Posted on 2009-04-27
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Last Modified: 2012-05-06
Hi Experts.

I"ve been searching forever and can't seem to find out how to verify that a user exists in asp.net 2.0
 I'm using the Authorization/Membership Management and c#

Tahnks!
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Question by:tenderroni992003
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Accepted Solution

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guru_sami earned 2000 total points
ID: 24253897
If you are using ASP.Net Membership here is one way to find if a UserExists or not.
Below is sample code:
You can check othe Membership API methods to see if any other matches your requirements.
Also the is Roles API you might want to look into if you want to deal with Roles.


 MembershipUser user = Membership.GetUser("YourUserName");
        if (user != null)
        {
            Response.Write(user.UserName);
       }
        else
       {
         Response.Write("User is null");
        }

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Author Comment

by:tenderroni992003
ID: 24255292
I tried the above solution, and it always returns null.


admin: relevance:  asp.net 2.0, c#,  microsoft programming

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LVL 41

Expert Comment

by:guru_sami
ID: 24255552
make sure your membership is working properly.
i.e. Are you able to create new user and login with that username?
Please provide more info on what exactly you did and what exactly you are looking for.
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Author Comment

by:tenderroni992003
ID: 24256043
guro_sami, your solution was absolutely correct!  Thank you!

I fond my error.  I was getting the string from a text box, but I wasn't converting the textbox text to a string.  I thought that you could stop at textbox.Text, but you actually have to have
textbox.Text.ToString().  
so the following works:  Membership.GetUser(textbox.Text.ToString())
Go figure.

Thank you so much!

 
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Author Closing Comment

by:tenderroni992003
ID: 31575288
Thank yo so much for all of your wonderful help!
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