Read and set a function of a cookie

cookie| function Prerequisite Preparation conditions:

1. You want to have 2 textbox controls, one to lose the password, one to lose the user name, but it's all necessary to think about it,

2. You need to have a RadioButtonList control to set the cookie's survival time. About the interior worth setting is: Year y, Month M, Week W, Day D, browser process p.

3. OK, now you can embed the following code in the Web pageload:

Note: It is said that there is no built-in focus-setting method in asp.net, please use the JavaScript control name yourself. Focus implementation



public void Check (System.Web.UI.WebControls.TextBox tb,system.web.ui.webcontrols.radiobuttonlist choose)
{
HttpCookie HC = request.cookies["TestCookie"];
if (HC!=null)
Tb. Text = HC. Value;
Else
{
HC = new HttpCookie ("TestCookie", TB. Text);
DateTime DT =datetime.now;
TimeSpan ts = new TimeSpan (365,0,0,0);
if (choose. Selecteditem.value = = "Y")
ts = new TimeSpan (365,0,0,0);
else if (choose. Selecteditem.value = = "M")
ts = new TimeSpan (30,0,0,0);
else if (choose. Selecteditem.value = = "W")
ts = new TimeSpan (7,0,0,0);
else if (choose. Selecteditem.value = = "D")
ts = new TimeSpan (1,0,0,0);
Hc. Expires = dt. ADD (TS);
RESPONSE.COOKIES.ADD (HC);
}
}