cookie to authenticate

Hello Experts:

How I can use cookie to authenticate. I have to pass cookie which is receive from successful login
to all subsequent requests???

I am using in ASP.NET web application...

Who is Participating?
BuginatorConnect With a Mentor Commented:
Hello CalmSoul,
I made some code for you.

When reading cookies, rememeber to always check for null (nothing), otherwise you could often end up with an error.

The following code creates a cookie with the userName of patric. The cookie expires (gets deleted) from the users browser 1 day after the creation date.
'Make cookies, when logging in
Response.Cookies("userName").Value = "patrick"
Response.Cookies("userName").Expires = DateTime.Now.AddDays(1)
'Later we want to check the username again
If Not Request.Cookies("userName") Is Nothing Then
    Label1.Text = Server.HtmlEncode(Request.Cookies("userName").Value)
End If

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