mcs/class/System.Web/System.Web.UI.WebControls/CookieParameter.cs

   1 //
   2 // System.Web.UI.WebControls.CookieParameter
   3 //
   4 // Authors:
   5 //      Ben Maurer (bmaurer@users.sourceforge.net)
   6 //
   7 // (C) 2003 Ben Maurer
   8 //
   9
  10 #if NET_2_0
  11 using System.Collections;
  12 using System.Collections.Specialized;
  13 using System.Text;
  14
  15 namespace System.Web.UI.WebControls {
  16         public class CookieParameter : Parameter {
  17
  18                 public CookieParameter () : base ()
  19                 {
  20                 }
  21
  22                 protected CookieParameter (CookieParameter original) : base (original)
  23                 {
  24                         this.CookieName = original.CookieName;
  25                 }
  26
  27                 public CookieParameter (string name, string cookieName) : base (name)
  28                 {
  29                         CookieName = cookieName;
  30                 }
  31
  32                 public CookieParameter (string name, TypeCode type, string cookieName) : base (name, type)
  33                 {
  34                         CookieName = cookieName;
  35                 }
  36
  37                 protected override Parameter Clone()
  38                 {
  39                         return new CookieParameter (this);
  40                 }
  41
  42                 protected override object Evaluate (Control control)
  43                 {
  44                         if (control == null || control.Page == null || control.Page.Request == null)
  45                                 return null;
  46
  47                         HttpCookie c = control.Page.Request.Cookies [CookieName];
  48                         if (c == null)
  49                                 return null;
  50
  51                         return c.Value;
  52                 }
  53
  54                 public string CookieName {
  55                         get {
  56                                 string s = ViewState ["CookieName"] as string;
  57                                 if (s != null)
  58                                         return s;
  59
  60                                 return "";
  61                         }
  62                         set {
  63                                 if (CookieName != value) {
  64                                         ViewState ["CookieName"] = value;
  65                                         OnParameterChanged ();
  66                                 }
  67                         }
  68                 }
  69
  70
  71         }
  72 }
  73 #endif
  74