How to implement "Remember Me" in Login control

Question

How to implement 'Remember Me' in Login control?

Kirtan Patel · Answer

you have Two Options to Do that Code the Remember me check box or Just Simply Use the Ready made Login Control . I am here showing you the Coding method if my answer helps you then check Do you like this answer" check bo x please :) I have also Attached Example Project with this Post Please take a look .. protected void Page_Load( object sender, EventArgs e) { HttpCookie cookie1 = Request.Cookies.Get( "Username" ); HttpCookie cookie2 = Request.Cookies.Get( "Password" ); HttpCookie cookie3 = Request.Cookies.Get( "RememberMe" ); if (cookie1 != null || cookie2 != null || cookie3 != null ) { // Just Load the Values in TextBoxes From Cookies txtUsername.Text = cookie1.Value.ToString(); txtPassword.Text = cookie2.Value.ToString(); CheckBox1.Checked = true ; } else { // if Cookies Not Exist then Create it HttpCookie cookie = new HttpCookie ( "RememberMe" , "1" ); HttpCookie usernamecookie = new HttpCookie ( "Username" , txtUsername.Text); HttpCookie passwordcookie = new HttpCookie ( "Password" , txtPassword.Text); usernamecookie.Expires = DateTime .Now.AddHours(1); passwordcookie.Expires = DateTime .Now.AddHours(1); cookie.Expires = DateTime .Now.AddHours(1); Response.Cookies.Add(cookie); Response.Cookies.Add(usernamecookie); Response.Cookies.Add(passwordcookie); } } protected void CheckBox1_CheckedChanged( object sender, EventArgs e) { if (CheckBox1.Checked == true ) { Response.Cookies[ "Username" ].Value = txtUsername.Text; Response.Cookies[ "Password" ].Value = txtPassword.Text; Response.Cookies[ "RememberMe" ].Value = "1" ; } else if (CheckBox1.Checked == false ) { Response.Cookies.Remove( "RememberMe" ); Response.Cookies.Remove( "Username" ); Response.Cookies.Remove( "Password" ); } }

Hiren Soni · Answer

Hi you can achieve this task by storing cookie on users machine

Lalit M · Answer

You can try this code sample Different forums are filled with the questions regarding how to manually implement cookies for login or in other words how to implement "Remeber me" option. Following is the code that will give the idea of how to achieve this task. Controls used 1. TextBox, ID = TbUserName 2. TextBox, ID = TbPassword 3. CheckBox, ID = CbRememberMe 4. Button, ID = BtLogin 5. LinkButton, ID = lbSignout ------------------If you are using VB.Net------------------------- Partial Class _Default Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Not IsPostBack Then 'Check if the browser support cookies If Request.Browser.Cookies Then 'Check if the cookies with name PBLOGIN exist on user's machine If Request.Cookies("PBLOGIN") IsNot Nothing Then 'Pass the user name and password to the VerifyLogin method Me.VerifyLogin(Request.Cookies("PBLOGIN")("UNAME").ToString(), Request.Cookies("PBLOGIN")("UPASS").ToString()) End If End If End If End Sub Protected Sub BtLogin_Click(ByVal sender As Object, ByVal e As System.EventArgs) 'check if remember me checkbox is checked on login If (Me.CbRememberMe.Checked) Then 'Check if the browser support cookies If (Request.Browser.Cookies) Then 'Check if the cookie with name PBLOGIN exist on user's machine If (Request.Cookies("PBLOGIN") Is Nothing) Then 'Create a cookie with expiry of 30 days Response.Cookies("PBLOGIN").Expires = DateTime.Now.AddDays(30) 'Write username to the cookie Response.Cookies("PBLOGIN").Item("UNAME") = Me.TbUserName.Text 'Write password to the cookie Response.Cookies("PBLOGIN").Item("UPASS") = Me.TbPassword.Text 'If the cookie already exist then wirte the user name and password on the cookie Else Response.Cookies("PBLOGIN").Item("UNAME") = Me.TbUserName.Text Response.Cookies("PBLOGIN").Item("UPASS") = Me.TbPassword.Text End If End If End If Me.VerifyLogin(Me.TbUserName.Text, Me.TbPassword.Text) End Sub Protected Sub VerifyLogin(ByVal UserName As String, ByVal Password As String) Try 'If login credentials are correct 'Redirect to the user page 'else 'prompt user for invalid password 'end if Catch ex as System.Exception Response.Write(ex.Message) End Try End Sub Protected Sub lbSignout_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles lbSignout.Click 'Check iIf the cookies with name PBLOGIN exist on user's machine If (Request.Cookies("PBLOGIN") IsNot Nothing) Then 'Expire the cookie Response.Cookies("PBLOGIN").Expires = DateTime.Now.AddDays(-30) End If 'Redirect to the login page End Sub End Class ------------------If you are using C#.Net------------------------- partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, System.EventArgs e) { if (!IsPostBack) { //Check if the browser support cookies if (Request.Browser.Cookies) { //Check if the cookies with name PBLOGIN exist on user's machine if (Request.Cookies("PBLOGIN") != null) { //Pass the user name and password to the VerifyLogin method this.VerifyLogin(Request.Cookies("PBLOGIN")("UNAME").ToString(), Request.Cookies("PBLOGIN")("UPASS").ToString()); } } } } protected void BtLogin_Click(object sender, System.EventArgs e) { //check if remember me checkbox is checked on login if ((this.CbRememberMe.Checked)) { //Check if the browser support cookies if ((Request.Browser.Cookies)) { //Check if the cookie with name PBLOGIN exist on user's machine if ((Request.Cookies("PBLOGIN") == null)) { //Create a cookie with expiry of 30 days Response.Cookies("PBLOGIN").Expires = DateTime.Now.AddDays(30); //Write username to the cookie Response.Cookies("PBLOGIN").Item("UNAME") = this.TbUserName.Text; //Write password to the cookie Response.Cookies("PBLOGIN").Item("UPASS") = this.TbPassword.Text; } //If the cookie already exist then wirte the user name and password on the cookie else { Response.Cookies("PBLOGIN").Item("UNAME") = this.TbUserName.Text; Response.Cookies("PBLOGIN").Item("UPASS") = this.TbPassword.Text; } } } this.VerifyLogin(this.TbUserName.Text, this.TbPassword.Text); } protected void VerifyLogin(string UserName, string Password) { try { //If login credentials are correct //Redirect to the user page //else //prompt user for invalid password //end if } catch (System.Exception ex) { Response.Write(ex.Message); } } protected void lbSignout_Click(object sender, System.EventArgs e) { //Check iIf the cookies with name PBLOGIN exist on user's machine if ((Request.Cookies("PBLOGIN") != null)) { //Expire the cookie Response.Cookies("PBLOGIN").Expires = DateTime.Now.AddDays(-30); } //Redirect to the login page } } OR protected void Button1_Click( object sender, EventArgs e) { string uname = TextBox1.Text; string pass = TextBox2.Text; if ( Membership .ValidateUser(uname, pass)) { if (Request.QueryString[ "ReturnUrl" ] != null ) { FormsAuthentication .RedirectFromLoginPage(uname, Checkbox1.Checked ); // here i just assume that ur Remember Me checkbox id is Checkbox1; } else { FormsAuthentication .SetAuthCookie(uname, Checkbox1.Checked ); Response.Redirect( "homepage.aspx" ); //speciyfiy here page name on which u want to redirect } } else { Label1.Text="Invalid Id Or Password"; } } reference

How to implement "Remember Me" in Login control

Answers (3)