发这个版似乎不大适合。。。 ' o f8 ~- h2 j7 Q* k
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write cookie value( O4 g6 J& `- x! g" C
& i* F4 U B$ C+ y3 I' t DropDownList ddl;//your dropdownlist control 4 A/ A& Z7 Y4 U HttpCookie cookie = new HttpCookie("mycookie"); ' {! F* L; ?* Q& I% g cookie.Value = ddl.SelectedValue;) X. z; Q$ Z7 |! m0 c
Response.Cookies.Add(cookie);- m. G3 C) a/ x' j$ y. P$ Q* Y
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read cookie value * _( h9 b \( J. X- t. s! M string cookieValue = Request.Cookies.Get("mycookie").Value;