ASP.NET 遍历设置控件的只读属性（测试过）

来源：互联网发布：java list集合合并编辑：程序博客网时间：2024/05/07 13:03

for (int i = 0; i < Page.Controls.Count; i++)
{

   //重点注意：System.Web.UI.Control ctr in Page.Controls[i].Controls，而不是Page.Controls
    foreach (System.Web.UI.Control ctr in Page.Controls[i].Controls)
    {
        if (ctr is TextBox)
        {
            TextBox txtControl = (TextBox)ctr;
            txtControl.ReadOnly = true;
            txtControl.Enabled = false;

}

       else if (ctr is RadioButton)
{
   RadioButton btn = (RadioButton)ctr;
   btn.Enabled = false;
}
else if (ctr is RadioButtonList)
{
    RadioButtonList btn = (RadioButtonList)ctr;
    btn.Enabled = false;
}
else if (ctr is CheckBox)
{
    CheckBox cb = (CheckBox)ctr;
    cb.Enabled = false;
}
else if (ctr is DropDownList)
{
    DropDownList list = (DropDownList)ctr;
    list.Enabled = false;
}
else if (ctr is HtmlTextArea)
{
    HtmlTextArea cb = (HtmlTextArea)ctr;
    cb.Attributes.Add("readonly", "");
    cb.Disabled = true;
}
else if (ctr is HtmlSelect)
{
    HtmlSelect rb = (HtmlSelect)ctr;
    rb.Disabled = true;
}
else if (ctr is HtmlInputCheckBox)
{
    HtmlInputCheckBox rb = (HtmlInputCheckBox)ctr;
    rb.Disabled = true;
}
else if (ctr is HtmlInputRadioButton)
{
    HtmlInputRadioButton rb = (HtmlInputRadioButton)ctr;
    rb.Disabled = true;
}
       else if (ctr is HtmlInputText)
        {
            HtmlInputControl input = (HtmlInputControl)ctr;
            input.Attributes.Add("readonly", "readonly");
            input.Disabled = true;
        }
     }

}