asp.net 遍历页面控件包含子控件，变为只读

 

遍历所有控件s

1 protected void approval()
2    {
3        foreach (Control control in this.Page.Controls)
4           {
5              SetReadOnly(control);
6           }
7    }
 1 //将单个控件包含子集变为只读
 2         protected void SetReadOnly(Control ctrl)
 3         {
 4             if (!ctrl.HasControls())
 5             {
 6                 if (ctrl is TextBox)
 7                 {
 8                     TextBox tb = (TextBox)ctrl;
 9                     tb.Enabled = false;
10                 }
11                 if (ctrl is DropDownList)
12                 {
13                     DropDownList ddl = (DropDownList)ctrl;
14                     ddl.Enabled = false;
15                 }
16                 if (ctrl is FileUpload)
17                 {
18                     FileUpload fu = (FileUpload)ctrl;
19                     fu.Enabled = false;
20                 }
21 
22             }
23             else
24             {
25                 int i = 0;
26                 while (i < ctrl.Controls.Count)
27                 {
28                     SetReadOnly(ctrl.Controls[i]);
29                     i++;
30                 }
31             }
32         }



posted @ 2012-03-12 11:19  muddy-bear  阅读(358)  评论(0)  编辑  收藏  举报