So many time we will get scenario to remember some frequently used data on browser only for example userId and password of some site. Then we can do this task using cookies in asp.net like this
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (Request.Cookies["UserName"] != null) { txtuserName.Text = Request.Cookies["Username"].Value; } } protected void btnClick_Click(object sender, EventArgs e) { if (CheckBox1.Checked) { Response.Cookies["Username"].Value = txtuserName.Text; Response.Cookies["Username"].Expires = DateTime.Now.AddDays(7); } } }