how to check username

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How to check the username by hitting a button?
It has to check a database in sql server.
How to write the codebehind code for that?

Posted 14-Nov-10 21:49pm

pubbby

Updated 14-Nov-10 21:53pm

JF2015

v2

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demouser743 · Answer 1 · 2010-11-14T22:04:00

Solution 1

http://forums.asp.net/t/1567065.aspx?UserName+exist+in+database+or+not%3F[^]

http://www.dotnetspider.com/resources/7450-Check-Username-Exists-or-Not[^]

Posted 14-Nov-10 22:04pm

demouser743

Updated 14-Nov-10 22:05pm

v2

Ashwin Kollaram · Answer 2 · 2010-11-15T05:00:00

Solution 2

C#

string struname = txtusername.Text;

ds = new DataSet();
ada = new SqlDataAdapter("SELECT username FROM DBFile WHERE id ="+userid, con);
ada.Fill(ds, "DBFile");

Posted 15-Nov-10 5:00am

Ashwin Kollaram