1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
//------------------------------------------------------------------------------
// <copyright file="CustomValidator.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
using System.ComponentModel;
using System.Diagnostics;
using System.Web.UI.WebControls;
using WebCntrls = System.Web.UI.WebControls;
using System.Security.Permissions;
namespace System.Web.UI.MobileControls
{
/*
* Mobile CustomValidator class.
* The CustomValidator provides the ability to easily write custom server
* validation logic. A user-defined function is called via a single-cast
* delegate to provide server-side custom validation.
*
* Copyright (c) 2000 Microsoft Corporation
*/
/// <include file='doc\CustomValidator.uex' path='docs/doc[@for="CustomValidator"]/*' />
[
DefaultEvent("ServerValidate"),
ToolboxData("<{0}:CustomValidator runat=\"server\" ErrorMessage=\"CustomValidator\"></{0}:CustomValidator>"),
ToolboxItem("System.Web.UI.Design.WebControlToolboxItem, " + AssemblyRef.SystemDesign)
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
public class CustomValidator : BaseValidator
{
private WebCntrls.CustomValidator _webCustomValidator;
// Static objects to identify individual events stored in Events
// property.
private static readonly Object EventServerValidate = new Object();
/// <include file='doc\CustomValidator.uex' path='docs/doc[@for="CustomValidator.CreateWebValidator"]/*' />
protected override WebCntrls.BaseValidator CreateWebValidator()
{
_webCustomValidator = new WebCntrls.CustomValidator();
// Adding wrapper event handlers for event properties exposed by
// the aggregated control. For more details about the mechanism,
// please see the comment in the constructor of
// Mobile.UI.AdRotator.
ServerValidateEventHandler eventHandler =
new ServerValidateEventHandler(WebServerValidate);
_webCustomValidator.ServerValidate += eventHandler;
return _webCustomValidator;
}
////////////////////////////////////////////////////////////////////////
// Mimic the properties exposed in the original CustomValidator.
////////////////////////////////////////////////////////////////////////
/// <include file='doc\CustomValidator.uex' path='docs/doc[@for="CustomValidator.ServerValidate"]/*' />
[
Bindable(false),
DefaultValue(null),
MobileSysDescription(SR.CustomValidator_OnServerValidate)
]
public event ServerValidateEventHandler ServerValidate
{
add
{
Events.AddHandler(EventServerValidate, value);
}
remove
{
Events.RemoveHandler(EventServerValidate, value);
}
}
// protected method (which can be overridden by subclasses) for
// raising user events
/// <include file='doc\CustomValidator.uex' path='docs/doc[@for="CustomValidator.OnServerValidate"]/*' />
protected virtual bool OnServerValidate(String value)
{
ServerValidateEventHandler handler = (ServerValidateEventHandler)Events[EventServerValidate];
if (handler != null)
{
ServerValidateEventArgs args = new ServerValidateEventArgs(value, true);
handler(this, args);
return args.IsValid;
}
else
{
return true;
}
}
private void WebServerValidate(Object source, ServerValidateEventArgs e)
{
// Invoke user events for further manipulation specified by user
Debug.Assert(e != null, "Unexpected null parameter!");
e.IsValid = OnServerValidate(e.Value);
}
/// <include file='doc\CustomValidator.uex' path='docs/doc[@for="CustomValidator.EvaluateIsValid"]/*' />
protected override bool EvaluateIsValid()
{
return EvaluateIsValidInternal();
}
/////////////////////////////////////////////////////////////////////
// Helper function adopted from WebForms CustomValidator
/////////////////////////////////////////////////////////////////////
/// <include file='doc\CustomValidator.uex' path='docs/doc[@for="CustomValidator.ControlPropertiesValid"]/*' />
protected override bool ControlPropertiesValid()
{
// Need to override the BaseValidator implementation, because for
// CustomValidator, it is fine for ControlToValidate to be blank.
String controlToValidate = ControlToValidate;
if (controlToValidate.Length > 0)
{
return base.ControlPropertiesValid();
}
return true;
}
}
}
|
