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I have divided login to 2 parts one for admin and one for user, they`re differentiated through TypeID field which has values 1 and 2

I want to make function that check the TypeID to decide the response redirect page

I got this so far

Public Shared Function CheckUser(ByVal usename As String) As Int32
    Const sql = "SELECT TypeID FROM Registration where usename = @UserName"
    Using con As New SqlConnection(ConfigurationManager.ConnectionStrings("RegconnectionString").ConnectionString)
        Using cmd = New SqlCommand(sql, con)
            cmd.Parameters.AddWithValue("@TypeID", usename)
            Dim x As Integer = cmd.ExecuteScalar
            Return x
        End Using
    End Using
End Function

the input for this function will be the text coming from textUserName.text
Posted 27-Dec-12 8:11am
Updated 27-Dec-12 8:12am

1 solution

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Solution 1

You have not specified what your problem is, but looking at the code supplied you seem to using the wrong parameter name in the AddWithValue call.

You specify the query as:
SELECT TypeID FROM Registration where usename = @UserName

but use '@TypeID' in the call to the AddWithValue function.

You need to change
cmd.Parameters.AddWithValue("@TypeID", usename)
cmd.Parameters.AddWithValue("@UserName", usename)

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