获取页面中所有控件中某个属性

<% @ Page Language = " C# " AutoEventWireup = " true " %>
<% @ Import Namespace = " System.Reflection " %>
<% @ Import Namespace = " System.ComponentModel " %>
DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< html xmlns ="http://www.w3.org/1999/xhtml" >
< script runat ="server" >
  protected void Button1_Click(object sender, EventArgs e)
  {
    SetControlArrtibute(Page);
  }

  private void SetControlArrtibute(Control ctl)
  {
    Type type = ctl.GetType();
    PropertyInfo[] properties = type.GetProperties();
    Response.Write( "

---

" );
    Response.Write(type.ToString());
    Response.Write( "
" );
    foreach (PropertyInfo property in properties)
    {
      // 不是所有的属性都能通过这种方法进行得到？
      if (property.Name == " Text " && property.PropertyType == typeof (String))
      {
        Response.Write( "

" + property.Name + " = " + GetPropertyValue(ctl, property.Name));
      }
      if (property.Name.Equals( " Enabled " ))
      {
        Type propertyType = property.PropertyType;
        TypeConverter converter = TypeDescriptor.GetConverter(propertyType);
        Object arg = converter.ConvertFrom( " false " );
        object[] args = { arg };
        BindingFlags flags = BindingFlags.SetProperty;
        Binder binder = null ;
        type.InvokeMember( " Enabled " , flags, binder, ctl, args);
      }
    }

    if (ctl.HasControls())
    {
      foreach (Control c in ctl.Controls)
      {
        SetControlArrtibute(c);
      }
    }
  }

  private String GetPropertyValue(Control control, String propertyName)
  {
    Type type = control.GetType();
    BindingFlags flags = BindingFlags.GetProperty;
    Binder binder = null ;
    object[] args = null ;
    object result = type.InvokeMember(propertyName, flags, binder, control, args);
    return Convert.ToString(result);
  }

  protected void Page_Load(object sender, EventArgs e)
  {
    if ( ! Page.IsPostBack)
    {
      GridView1.DataSource = new String[] { " A " , " B " };
      GridView1.DataBind();
    }
  }
script >
< head id ="Head1" runat ="server" >
  < title > title >
head >
< body >
  < form id ="MengXianhuiForm" runat ="server" >
  < asp:TextBox ID ="TextBox1" runat ="server" Text ="能输入文字吗" > asp:TextBox >
  < asp:ListBox ID ="ListBox1" runat ="server" >
    < asp:ListItem > AA asp:ListItem >
    < asp:ListItem > BB asp:ListItem >
  asp:ListBox >
  < asp:GridView ID ="GridView1" runat ="server" >
    < Columns >
      < asp:TemplateField >
        < ItemTemplate >
          < asp:TextBox ID ="x" runat ="server" Text ="测试" />
        ItemTemplate >
      asp:TemplateField >
    Columns >
  asp:GridView >
  < asp:Button ID ="Button1" runat ="server" OnClick ="Button1_Click" Text ="设置页面中的所有控件的 Enabled 属性" />
  form >
body >
html >
//转载孟宪会