先声明下，这个类是老外写的，非原创，但挺有用的。分享一下
1,枚举
1
using System;
2
3namespace Clingingboy
4
{
5
/**//// <summary>
6
/// 启用控件枚举
7
/// </summary>
8 public enum ControlName
9 {
10 /**//// <summary>
11 /// Includes asp.net button, image button, link button, html button.
12 /// </summary>
13 Button,
14 /**//// <summary>
15 /// Includes asp.net text box, html input text, html text area server controls.
16 /// </summary>
17 TextBox,
18 /**//// <summary>
19 /// Includes asp.net check box and html input check box.
20 /// </summary>
21 CheckBox,
22 /**//// <summary>
23 /// Includes asp.net drop down list, list box, html select.
24 /// </summary>
25 ListControl,
26 /**//// <summary>
27 /// Includes asp.net validators.
28 /// </summary>
29 Validator,
30 /**//// <summary>
31 /// All the controls that are defined in this enum.
32 /// </summary>
33 All
34 }
35
}
36
2，最后一个方法无效，因为Control不存在此属性
1using System;
2using System.Text;
3using System.Web;
4using System.Web.UI;
5using System.IO;
6using System.Net;
7using System.Text.RegularExpressions;
8using System.Web.UI.WebControls;
9using System.Web.UI.HtmlControls;
10
11
12namespace Clingingboy
13{
14 /**//// <summary>
15 /// 控件启用状态
16 /// </summary>
17 public class ControlEnabler
18 {
19
20 Page Control Enabling / Disabling Utility#region Page Control Enabling / Disabling Utility
21
22 /**//// <summary>
23 /// 设置是否启用全部控件
24 /// </summary>
25 /// <param name="page"></param>
26 /// <param name="isEnable"></param>
27 public static void SetControlsEnabled(Control page, bool isEnable)
28 {
29
30 SetControlsEnabled(page, ControlName.All, isEnable);
31 }
32
33 /**//// <summary>
34 /// 设置是否启用控件
35 /// </summary>
36 /// <param name="page"></param>
37 /// <param name="controlName"></param>
38 /// <param name="isEnable"></param>
39 public static void SetControlsEnabled(Control page, ControlName controlName, bool isEnable)
40 {
41
42 foreach (Control ctrl in page.Controls)
43 {
44
45 //==================== considering asp.net server controls ==================
46
47 //Text Boxes
48 if (ctrl is TextBox && (controlName == ControlName.TextBox || controlName == ControlName.All))
49 ((TextBox)(ctrl)).Enabled = isEnable;
50 ((TextBox)(ctrl)).Width = 200;
51
52 //Check Boxes
53 if (ctrl is CheckBox && (controlName == ControlName.CheckBox || controlName == ControlName.All))
54 ((CheckBox)(ctrl)).Enabled = isEnable;
55
56 //Buttons
57 if (ctrl is Button && (controlName == ControlName.Button || controlName == ControlName.All))
58 ((Button)(ctrl)).Enabled = isEnable;
59 if (ctrl is ImageButton && (controlName == ControlName.Button || controlName == ControlName.All))
60 ((ImageButton)(ctrl)).Enabled = isEnable;
61 if (ctrl is LinkButton && (controlName == ControlName.Button || controlName == ControlName.All))
62 ((LinkButton)(ctrl)).Enabled = isEnable;
63
64 //List Controls
65 if (ctrl is DropDownList && (controlName == ControlName.ListControl || controlName == ControlName.All))
66 ((DropDownList)(ctrl)).Enabled = isEnable;
67 if (ctrl is ListBox && (controlName == ControlName.ListControl || controlName == ControlName.All))
68 ((ListBox)(ctrl)).Enabled = isEnable;
69
70 //Validators
71 if (ctrl is RegularExpressionValidator && (controlName == ControlName.Validator || controlName == ControlName.All))
72 ((RegularExpressionValidator)(ctrl)).Enabled = isEnable;
73 if (ctrl is RequiredFieldValidator && (controlName == ControlName.Validator || controlName == ControlName.All))
74 ((RequiredFieldValidator)(ctrl)).Enabled = isEnable;
75 if (ctrl is CompareValidator && (controlName == ControlName.Validator || controlName == ControlName.All))
76 ((CompareValidator)(ctrl)).Enabled = isEnable;
77 if (ctrl is RangeValidator && (controlName == ControlName.Validator || controlName == ControlName.All))
78 ((RangeValidator)(ctrl)).Enabled = isEnable;
79 if (ctrl is CustomValidator && (controlName == ControlName.Validator || controlName == ControlName.All))
80 ((CustomValidator)(ctrl)).Enabled = isEnable;
81 if (ctrl is ValidationSummary && (controlName == ControlName.Validator || controlName == ControlName.All))
82 ((ValidationSummary)(ctrl)).Enabled = isEnable;
83
84
85 //================== considering html server controls ==================
86
87 //Text Boxes
88 if (ctrl is HtmlInputText && (controlName == ControlName.TextBox || controlName == ControlName.All))
89 ((HtmlInputText)(ctrl)).Disabled = !isEnable;
90 if (ctrl is HtmlTextArea && (controlName == ControlName.TextBox || controlName == ControlName.All))
91 ((HtmlTextArea)(ctrl)).Disabled = !isEnable;
92 //Check Boxes
93 if (ctrl is HtmlInputCheckBox && (controlName == ControlName.CheckBox || controlName == ControlName.All))
94 ((HtmlInputCheckBox)(ctrl)).Disabled = !isEnable;
95 //Dropdown Lists
96 if (ctrl is HtmlSelect && (controlName == ControlName.ListControl || controlName == ControlName.All))
97 ((HtmlSelect)(ctrl)).Disabled = !isEnable;
98 //Buttons
99 if (ctrl is HtmlInputButton && (controlName == ControlName.Button || controlName == ControlName.All))
100 ((HtmlInputButton)(ctrl)).Disabled = !isEnable;
101
102 //=================== RECURSION =======================================
103
104 //if the number of child controls is greater than zero then the current function is called recursively.
105 //otherwise the recursion ends.
106 if (ctrl.Controls.Count > 0)
107 {
108 SetControlsEnabled(ctrl, controlName, isEnable);
109 }
110 }
111 }
112
113 /**//// <summary>
114 /// 设置是否只读
115 /// </summary>
116 /// <param name="page"></param>
117 /// <param name="isReadOnly"></param>
118 public static void SetTextBoxReadOnly(Control page, bool isReadOnly)
119 {
120
121 foreach (Control ctrl in page.Controls)
122 {
123
124 //considering asp.net server controls
125 if (ctrl is TextBox)
126 ((TextBox)(ctrl)).ReadOnly = isReadOnly;
127
128 //considering html server controls
129 if (ctrl is HtmlInputText)
130 ((HtmlInputText)(ctrl)).Disabled = isReadOnly;
131 if (ctrl is HtmlTextArea)
132 ((HtmlTextArea)(ctrl)).Disabled = isReadOnly;
133
134 //if the number of child controls is greater than zero then the current function is called recursively.
135 //otherwise the recursion ends.
136 if (ctrl.Controls.Count > 0)
137 {
138 SetTextBoxReadOnly(ctrl, isReadOnly);
139 }
140 }
141 }
142
143 /**//// <summary>
144 /// 设置外观，此方法无效
145 /// </summary>
146 /// <param name="page">The container page for which the textboxes will be considered.</param>
147 /// <param name="isToLabelView">if set to <c>true</c> [is to label view].</param>
148 public static void SetTextBoxToLabelView(WebControl page, bool isToLabelView)
149 {
150
151 foreach (Control ctrl in page.Controls)
152 {
153 //considering asp.net server controls
154 if (ctrl is TextBox)
155 ((TextBox)(ctrl)).BorderWidth = (isToLabelView ? 0 : 1);
156
157 //if the number of child controls is greater than zero then the current function is called recursively.
158 //otherwise the recursion ends.
159 if (ctrl.Controls.Count > 0)
160 {
161 SetTextBoxReadOnly(ctrl, isToLabelView);
162 }
163 }
164 }
165
166 #endregion
167 }
168}