ASP:Login Remember Me functionality : The Official Microsoft ASP.NET Forums

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ASP:Login Remember Me functionality

Mar 15, 2007 03:25 PM|LINK

Hi there..I am having some trouble implementing the "Remember Me" check box on my asp:login control.

I am able to set the cookie when the user checks the box, and I can read the cookie and pre-populate the userid field, but I can't automatically check the checkbox...

Can someone tell me what I am doing wrong?

TextBox txtUser = ctlLogin.FindControl("UserName") as TextBox;
        if (!IsPostBack)
        {
            if (Request.Cookies["myCookie"] != null)
            {
                HttpCookie cookie = Request.Cookies.Get("myCookie");
                ctlLogin.UserName = cookie.Values["username"].ToString();
                CheckBox rm = (CheckBox)ctlLogin.FindControl("RememberMe");
                rm.Checked=true;
            }
            this.SetFocus(txtUser);
        }

Thanks

Greg

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Re: ASP:Login Remember Me functionality

Mar 15, 2007 04:18 PM|LINK

Um..I guess I should mention that this code is in the PageLoad method...

Thanks again..

-Greg

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Re: ASP:Login Remember Me functionality

Mar 15, 2007 04:33 PM|LINK

Can you post where you are appending the cookie to the output response OnLogin etc.

Rgds,
Martin.

For the benefit of all users please mark any post answers as appropriate.

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Re: ASP:Login Remember Me functionality

Mar 15, 2007 04:48 PM|LINK

protected void ctlLogin_LoggedIN(object sender, EventArgs e)
    {
        CheckBox rm = (CheckBox)ctlLogin.FindControl("RememberMe");
        if (rm.Checked)
        {
            HttpCookie myCookie = new HttpCookie("myCookie");
            Response.Cookies.Remove("myCookie");
            Response.Cookies.Add(myCookie);
            myCookie.Values.Add("username", this.ctlLogin.UserName.ToString());
            DateTime dtExpiry = DateTime.Now.AddDays(15); //you can add years and months too here
            Response.Cookies["myCookie"].Expires = dtExpiry;
        }
        else
        {
            HttpCookie myCookie = new HttpCookie("myCookie");
            Response.Cookies.Remove("myCookie");
            Response.Cookies.Add(myCookie);
            myCookie.Values.Add("username", this.ctlLogin.UserName.ToString());
            DateTime dtExpiry = DateTime.Now.AddSeconds(1); //you can add years and months too here
            Response.Cookies["myCookie"].Expires = dtExpiry;
            

        }


    }

This function is called after the applicaton verifies that the user is a valid user and is logged in. I tried to just remove the cookie if the checkbox wasn't checked, but it didn't seem to be working, so I just give it a very short expiration date to get rid of it.

Once again..thanks for any help!

Greg

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mokeefe

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10850 Points

2098 Posts

Re: ASP:Login Remember Me functionality

Mar 15, 2007 08:08 PM|LINK

I don't see anything wrong with your code except that you might not be refreshing (setting caching), and or goin to another page and then comming back.

Here was my test -

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TestCookie.aspx.cs" Inherits="ForumsStuff_CSharp_TestCookie" %>


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="Button1" runat="server" Text="Set Cookie" OnClick="Button1_Click" />
        <asp:Button ID="Button2" runat="server" Text="Remove Cookie" OnClick="Button2_Click"/>
    </div>
    </form>
</body>
</html>

    protected void Page_Load(object sender, EventArgs e)
    {
        if (Request.Cookies["myCookie"] != null)
        {
            HttpCookie cookie = Request.Cookies.Get("myCookie");
            String UserName = cookie.Values["username"];
            ///CheckBox rm = (CheckBox)ctlLogin.FindControl("RememberMe");
            Response.Write(UserName);
        }

        // Note this
        Response.Cache.SetNoStore();
    
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        HttpCookie myCookie = new HttpCookie("myCookie");
        //Response.Cookies.Remove("myCookie");
        Response.Cookies.Add(myCookie);
        //myCookie.Values.Add("username", this.ctlLogin.UserName);
        myCookie.Values.Add("username", "the cookie username");
        DateTime dtExpiry = DateTime.Now.AddDays(15); //you can add years and months too here
        Response.Cookies["myCookie"].Expires = dtExpiry;

    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        HttpCookie cook = new HttpCookie("myCookie");
        cook.Expires = DateTime.Now.AddSeconds(5);
        Response.Cookies.Add(cook);
        
    }

Rgds,
Martin.

For the benefit of all users please mark any post answers as appropriate.

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smithygreg

Member

2 Points

10 Posts

Re: ASP:Login Remember Me functionality

Mar 15, 2007 09:14 PM|LINK

Hey Martin...

I am having no trouble reading the cookie...I am having trouble getting the check box to be checked if that cookie exists...

CheckBox rm = (CheckBox)ctlLogin.FindControl("RememberMe");
                rm.Checked=true;

It's this part of the code that doesn't seem to be working...

Can you stick that in you app and see if it works?

I added the Response.Cache.SetNoStore() and it didn't seem to work.

thanks

Greg

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mokeefe

Star

10850 Points

2098 Posts

Re: ASP:Login Remember Me functionality

Mar 16, 2007 04:03 AM|LINK

You can't set the checkbox by accessing the Control as it is set in the Controls PreRender.

You can set it like this -

if (Request.Cookies["myCookie"] != null)
        {
            HttpCookie cookie = Request.Cookies.Get("myCookie");
            String UserName = cookie.Values["username"];
            this.Login1.RememberMeSet = !(String.IsNullOrEmpty(UserName));
        }

Rgds,
Martin.

For the benefit of all users please mark any post answers as appropriate.

Marked as answer by smithygreg on Mar 20, 2007 09:56 PM

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mokeefe

Star

10850 Points

2098 Posts

Re: ASP:Login Remember Me functionality

Mar 16, 2007 04:28 AM|LINK

Tweaked to your Control Id and other refactoring -

protected void Page_Init(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Request.Cookies["myCookie"] != null)
            {
                HttpCookie cookie = Request.Cookies.Get("myCookie");
                ctlLogin.UserName = cookie.Values["username"];


                ctlLogin.RememberMeSet = (!String.IsNullOrEmpty(ctlLogin.UserName));
            }
            TextBox txtUser = ctlLogin.FindControl("UserName") as TextBox;
            if(txtUser != null)
               this.SetFocus(txtUser);
        }


        // Note this
        Response.Cache.SetNoStore();
    

    }
    protected void ctlLogin_LoggedIN(object sender, EventArgs e)
    {
        HttpCookie myCookie = new HttpCookie("myCookie");
        Boolean remember = ctlLogin.RememberMeSet;


        if (remember)
        {
            Int32 persistDays = 15;
            myCookie.Values.Add("username", ctlLogin.UserName);
            myCookie.Expires = DateTime.Now.AddDays(persistDays); //you can add years and months too here
        }
        else
        {
            myCookie.Values.Add("username", string.Empty); // overwrite empty string is safest
            myCookie.Expires = DateTime.Now.AddMinutes(5); //you can add years and months too here
        }


        Response.Cookies.Add(myCookie);
    }

Rgds,
Martin.

For the benefit of all users please mark any post answers as appropriate.

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lernendotnet

Member

56 Points

25 Posts

Re: ASP:Login Remember Me functionality

Mar 16, 2007 10:21 AM|LINK

is it possible for you to give dsign code of checkbox control in your page?

are you creating checkbox control in design or dynamically through code?

--------------------------------------------
Dont Forget to mark the reply as ANSWER if you could solve the condition successfully.

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mokeefe

Star

10850 Points

2098 Posts

Re: ASP:Login Remember Me functionality

Mar 16, 2007 10:25 AM|LINK

This is all there is -

<form id="form1" runat="server">
    <div>
        <asp:Login ID="ctlLogin" runat="server">
        </asp:Login>
       

    </div>
    </form>

Rgds,
Martin.

For the benefit of all users please mark any post answers as appropriate.

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smithygreg

ASP:Login Remember Me functionality

smithygreg

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smithygreg

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mokeefe

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