1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
23 // Peter Bartok (pbartok@novell.com)
27 using System.ComponentModel;
28 using System.Globalization;
29 using System.Security.Permissions;
31 // Modeled after Nikhil Kothari's sample in "ASP Server Controls and Components", pp368
33 namespace System.Web.UI.WebControls {
36 [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
37 [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
40 [ToolboxData("<{0}:RangeValidator runat=\"server\" ErrorMessage=\"RangeValidator\"></{0}:RangeValidator>")]
42 [ToolboxData("<{0}:RangeValidator runat=server ErrorMessage=\"RangeValidator\"></{0}:RangeValidator>")]
44 public class RangeValidator : BaseCompareValidator {
45 #region Public Constructors
46 public RangeValidator() {
48 #endregion // Public Constructors
50 #region Public Instance Properties
57 [WebSysDescription ("")]
58 [WebCategory ("Behavior")]
59 public string MaximumValue {
61 return ViewState.GetString("MaximumValue", String.Empty);
65 ViewState["MaximumValue"] = value;
75 [WebSysDescription ("")]
76 [WebCategory ("Behavior")]
77 public string MinimumValue {
79 return ViewState.GetString("MinimumValue", String.Empty);
83 ViewState["MinimumValue"] = value;
86 #endregion // Public Instance Properties
88 #region Public Instance Methods
89 protected override void AddAttributesToRender(HtmlTextWriter writer) {
90 base.AddAttributesToRender (writer);
94 RegisterExpandoAttribute (ClientID, "evaluationfunction", "RangeValidatorEvaluateIsValid");
95 RegisterExpandoAttribute (ClientID, "minimumvalue", MinimumValue, true);
96 RegisterExpandoAttribute (ClientID, "maximumvalue", MaximumValue, true);
98 writer.AddAttribute("evaluationfunction", "RangeValidatorEvaluateIsValid", false); // FIXME - we need to define this in client code
99 writer.AddAttribute("minimumValue", MinimumValue.ToString(CultureInfo.InvariantCulture));
100 writer.AddAttribute("maximumValue", MaximumValue.ToString(CultureInfo.InvariantCulture));
105 protected override bool ControlPropertiesValid() {
106 if (!CanConvert(MinimumValue, this.Type)) {
107 throw new HttpException("Minimum value cannot be converterd to type " + this.Type.ToString());
109 if (!CanConvert(MaximumValue, this.Type)) {
110 throw new HttpException("Maximum value cannot be converterd to type " + this.Type.ToString());
112 if (this.Type != ValidationDataType.String) {
113 if (Compare(MinimumValue, MaximumValue, ValidationCompareOperator.GreaterThan, this.Type)) {
114 throw new HttpException("Maximum value must be equal or bigger than Minimum value");
117 return base.ControlPropertiesValid ();
120 protected override bool EvaluateIsValid() {
121 string control_value;
123 control_value = GetControlValidationValue(this.ControlToValidate);
124 if (control_value == null)
126 control_value = control_value.Trim();
127 if (control_value.Length == 0)
130 if (Compare(control_value, MinimumValue, ValidationCompareOperator.GreaterThanEqual, this.Type)) {
131 if (Compare(control_value, MaximumValue, ValidationCompareOperator.LessThanEqual, this.Type)) {
137 #endregion // Public Instance Methods