Set Cookie Values

public bool SetCookie(string cookiename, string cookievalue, int iDaysToExpire)
{
try
{
HttpCookie objCookie = new HttpCookie(cookiename);
Response.Cookies.Add(objCookie);
objCookie.Values.Add(cookiename, Encrytion.Encrypt(cookievalue));
DateTime dtExpiry = DateTime.Now.AddDays(iDaysToExpire);
Response.Cookies[cookiename].Expires = dtExpiry;
}
catch (Exception e)
{
return false;
}
return true;
}
public string GetCookie(string cookiename)
{
string cookyval = "";
try
{
cookyval = Request.Cookies[cookiename].Value.Replace(cookiename + "=", "");
cookyval = Encrytion.Decrypt(cookyval);
}
catch (Exception e)
{
cookyval = "";
}
return cookyval;
}