2 // System.Web.UI.WebControls.CompareValidator
5 // Chris Toshok (toshok@novell.com)
7 // (C) 2005 Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 using System.Globalization;
30 using System.ComponentModel;
31 using System.Security.Permissions;
33 namespace System.Web.UI.WebControls {
35 [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
36 [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
39 [ToolboxData("<{0}:CompareValidator runat=\"server\" ErrorMessage=\"CompareValidator\"></{0}:CompareValidator>")]
41 [ToolboxData("<{0}:CompareValidator runat=server ErrorMessage=\"CompareValidator\"></{0}:CompareValidator>")]
43 public class CompareValidator : BaseCompareValidator
45 public CompareValidator ()
49 protected override void AddAttributesToRender (HtmlTextWriter w)
52 if (ControlToCompare != "")
53 w.AddAttribute ("controltocompare", ControlToCompare);
54 if (ValueToCompare != "")
55 w.AddAttribute ("valuetocompare", ValueToCompare);
56 w.AddAttribute ("operator", Operator.ToString());
57 w.AddAttribute("evaluationfunction", "CompareValidatorEvaluateIsValid");
60 base.AddAttributesToRender (w);
63 protected override bool ControlPropertiesValid ()
65 /* if the control id is the default "", or if we're
66 * using the one Operator that ignores the control
68 if (ControlToCompare == "" || Operator == ValidationCompareOperator.DataTypeCheck)
69 return base.ControlPropertiesValid();
71 /* attempt to locate the ControlToCompare somewhere on the page */
72 Control control = NamingContainer.FindControl (ControlToCompare);
74 throw new HttpException (String.Format ("Unable to locate ControlToCompare with id `{0}'", ControlToCompare));
76 return base.ControlPropertiesValid ();
79 protected override bool EvaluateIsValid ()
82 if (GetControlValidationValue (ControlToValidate) == "")
86 /* ControlToCompare takes precendence, if it's set. */
87 compare = (ControlToCompare != "" ? GetControlValidationValue (ControlToCompare) : ValueToCompare);
89 return BaseCompareValidator.Compare (GetControlValidationValue (ControlToValidate), compare,
95 [TypeConverter(typeof(System.Web.UI.WebControls.ValidatedControlConverter))]
96 [WebSysDescription ("")]
97 [WebCategory ("Behavior")]
101 public string ControlToCompare {
102 get { return ViewState.GetString ("ControlToCompare", String.Empty); }
103 set { ViewState["ControlToCompare"] = value; }
106 [DefaultValue(ValidationCompareOperator.Equal)]
107 [WebSysDescription ("")]
108 [WebCategory ("Behavior")]
112 public ValidationCompareOperator Operator {
113 get { return (ValidationCompareOperator)ViewState.GetInt ("Operator", (int)ValidationCompareOperator.Equal); }
114 set { ViewState ["Operator"] = (int)value; }
121 [WebSysDescription ("")]
122 [WebCategory ("Behavior")]
126 public string ValueToCompare {
127 get { return ViewState.GetString ("ValueToCompare", String.Empty); }
128 set { ViewState ["ValueToCompare"] = value; }