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How to check username and password/Login code in Vb.net

Posted on 2012-03-20
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Last Modified: 2012-03-26
Hi,

I need code for username and password in vb.net using database
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Question by:searchsanjaysharma
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4 Comments
 
LVL 25

Expert Comment

by:Luis Pérez
ID: 37741697
Sometimes it's incredible how you write your questions. We're experts, but not magicians. With the information you supplied it's impossible than any of us can give you a good code... Please, re-write your question providing the information that we need... what database (sql server, oracle, access, mysql...)? what running platform (windows forms, web forms, mvc...)? what version of .net framework? Is the password encrypted in any way? Is is possible that you provide your USERS table name and fields?
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Author Comment

by:searchsanjaysharma
ID: 37741715
When i am descriptive then i get most of the general answers, and there are few experts only who actually reach out to help to solve the problem.

Anyways,
DB Server: Sqlserver
Database : dbac
Table:mstusers
Fields:username and password
Vb.Net 2008.


D
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LVL 25

Accepted Solution

by:
Luis Pérez earned 500 total points
ID: 37741775
Try this:

    Public Function CheckLogin(ByVal username As String, ByVal password As String) As Boolean
        Dim output As Boolean

        Using connection As SqlConnection = New SqlConnection("your_connection_string")
            connection.Open()

            Using cmd As SqlCommand = New SqlCommand("SELECT COUNT(*) FROM mstusers WHERE username = '" + username + "' AND password = '" + password + "'", connection)
                Dim ret As Integer = cmd.ExecuteScalar()
                output = ret.Equals(1)
            End Using
        End Using

        Return output
    End Function

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Hope that helps.
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Author Closing Comment

by:searchsanjaysharma
ID: 37767308
ook
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