2 // System.Web.UI.WebControls.FormParameter
5 // Ben Maurer (bmaurer@users.sourceforge.net)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Collections;
33 using System.Collections.Specialized;
35 using System.ComponentModel;
37 namespace System.Web.UI.WebControls {
39 [DefaultPropertyAttribute ("FormField")]
40 public class FormParameter : Parameter {
42 public FormParameter () : base ()
46 protected FormParameter (FormParameter original) : base (original)
48 this.FormField = original.FormField;
51 public FormParameter (string name, string formField) : base (name)
53 FormField = formField;
56 public FormParameter (string name, TypeCode type, string formField) : base (name, type)
58 FormField = formField;
61 protected override Parameter Clone ()
63 return new FormParameter (this);
66 protected override object Evaluate (HttpContext ctx, Control control)
68 if (control == null || ctx.Request == null)
71 return ctx.Request.Form [FormField];
74 [DefaultValueAttribute ("")]
75 public string FormField {
77 string s = ViewState ["FormField"] as string;
84 if (FormField != value) {
85 ViewState ["FormField"] = value;
86 OnParameterChanged ();