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User Page Authentication Using Sessions

Posted on 2011-03-09
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Last Modified: 2012-05-11
I am trying to prevent unauthorized access to pages on my VB.Net website. I have set up users manually and I am using Sessions to store the information about the User. I am not using the built in login and authentication features due to other reasons.

The code I am trying to run on Page Load is ..
 
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        If Session("Role") = "Admin" Then

        Else
            Response.Redirect("Default.aspx")
        End If
    End Sub

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So if the Session("Role") is "Admin" then it will do nothing and allow the user access to the page, but for all other users it will send them back to the homepage.

This however doesnt work, you always get sent back to the default.aspx page, regardless of whether Session("Role") = Admin or not, as I have checked by using a MsgBox(Session("Role")), which returns "Admin".

Im thinking im using the wrong event, should I use something instead of Load?

Cheers,

Chris
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Question by:CHKillswitch
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LVL 9

Expert Comment

by:mayank_joshi
ID: 35081397
where have you created Session("Role") ?
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LVL 9

Expert Comment

by:mayank_joshi
ID: 35081437
example for adding column:-

   
    DataGridViewColumn col = new DataGridViewColumn();
	DataGridViewCell cell = new DataGridViewTextBoxCell();
	col.CellTemplate = cell;
	col.HeaderText = "testing";
	col.Name = "testing";
	col.Visible = true;
	col.Width = 60;

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LVL 13

Expert Comment

by:Rahul Agarwal
ID: 35081470
Please create the Session("Role")  in the login page or where ever required then only check it because the sessions are not created automatically.
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LVL 9

Expert Comment

by:mayank_joshi
ID: 35081528
Sorry ignore my second post.It was meant to be for some other question.
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Accepted Solution

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CHKillswitch earned 0 total points
ID: 35081609
I realised that the problem was the Session was being created with spaces after the string, which when i was comparing it to "Admin" was causing a problem, So i ran the Session("Role") through a function that removed white spaces and it works fine now.
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Author Closing Comment

by:CHKillswitch
ID: 35126168
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