Membership.GetUser(username) - how to return correct casing?

Question

I am getting the username from the URL so blah.com/kevinuk.

I want some content on the page to say KevinUK which is whats stored in the membership table but when I do the following, it returns the same casing as what the input was.

MembershipUser member = Membership.GetUser(user);
string userName = member.UserName;

How do I use a lowercase username as the parameter and return the value from the database with the correct casing?

Answer 1

It's not clear which Membership provider that you are using, but you can easily descend from that and override the GetUser method.

Create a class that class inherited from MembershipProvider class.

public class MyMembershipProvider : MembershipProvider

{

    public MyMembershipProvider()

    {

        //

        // TODO: Add constructor logic here

        //

    }

}

Override the getUser Method.

public override MembershipUser GetUser(string username, bool userIsOnline)

{
 ... Logic here to do a case insensitive lookup...

}

Finally update the web config to use your new provider:

<system.web>
    <membership defaultProvider="MyMembershipProvider" userIsOnlineTimeWindow="10">
        <providers>
            <add name="MyMembershipProvider" type="Providers.FIFAMembershipProvider"     connectionStringName="ADConnectionString" ... />
        </providers>
    </membership>
</system.web>

Some examples:

http://www.eggheadcafe.com/tutorials/aspnet/30c3a27d-89ff-4f87-9762-37431805ef81/aspnet-custom-membership.aspx

http://msdn.microsoft.com/en-us/library/ms366730(VS.80).aspx

Answer 2

Unfortunately, the Membership.GetUser(string username) method simply sets the MembershipUser's username to the value of the passed parameter. To get the correct casing, you'll either need to use Membership.GetUser(object providerUserKey), which takes the user's GUID, or override the former method and its respective stored procedure to return the properly-cased username.

Or, you could simply make back-to-back calls to the two different GetUser() methods, but that's quite wasteful.

Answer 3

Stumpled on the same issue and tried above solution = Easiest way of getting correct casing:

var user = Membership.GetUser(userName.Text);
user = Membership.GetUser(user.ProviderUserKey);
var correctCasing = user.UserName;