i want to reset my password i have my user name and password...

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i want to reset my password i have my user name and password...but facing problem in comparing values of password to username if condition satisfy i have to give permission to that user to change password.... i want sample code how to fetch password from table and compare it wit username's password or old password

Posted 22-Feb-12 0:57am

Kiirrii

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Rahul Rajat Singh · Answer 1 · 2012-02-22T01:08:00

1. check whether the password is encypted in DB or not. if yes u need to encypt the user input password before comparison.

2. perform a .trim() on the value u retrieved from database and also the ones u got from user. here is a sample code from one of my apps:

C#

string username = TextBox1.Text.trim();
 string password = EncryptionManager.Encrypt(TextBox2.Text.trim());

         if (user.ValidateUser(username, password))
         {
             // user is ok let him pass ahead
         }
         else
         {
             Label1.Text = "Invalid Username and/or Password";
         }

RDBurmon · Answer 2 · 2012-02-22T01:10:00

Better to have a procedure for this

SQL

CREATE PROCEDURE [dbo].[ResetPassword]
        @Username NVARCHAR(50)
       ,@OldPassword  NVARCHAR(50)
       ,@NewPassword  NVARCHAR(50)
AS
BEGIN
SET NOCOUNT ON
    IF EXISTS (SELECT * FROM Users where Username =@Username and [Password]=@OldPassword)
       BEGIN
            Update Users SET [Password]=@NewPassword where Username =@Username and [Password]=@OldPassword
            return 1
       END
    ELSE
       BEGIN
            return 0
       END
SET NOCOUNT OFF
END

In .net code execute the procedure and check for the value
return 1 means reset password successful
return 0 means old password or username is invalid.

Hope this helps if yes then accept and vote the answer
--Rahul D.

bbirajdar · Answer 3 · 2012-02-23T02:44:00

Solution 3

Refer this link

http://www.asp.net/web-forms/tutorials/security/membership/validating-user-credentials-against-the-membership-user-store-cs[^]

Posted 23-Feb-12 2:44am

bbirajdar

i want to reset my password i have my user name and password...

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