SET THE COOKIE
Response.Cookies["test"].Value = TextBox1 .Text ;
Response.Cookies["test"].Expires = DateTime.Now.AddYears(30);
After that
How to Expried Cookie
Response.Cookies["test"].Expires = DateTime.Now.AddYears(-30);
How to Write/Read cookie
/////////check to see if cookie presented//////////
if (Request.Cookies["test"] == null)
{
TextBox2.Text = "No cookie found";
}
Else
{
TextBox2 .Text = Request.Cookies["test"].Value;
}
/////////END check to see if cookipresented//////////