鉴于大家对ASP.net十分关注,我们编辑小组在此为大家搜集整理了“ASP.NET下遍历指定页面上控件”一文,供大家参考学习!
如何在ASP.NET下遍历指定页面上所有控件
序:把它写下的目的,是感觉这段代码会对一些朋友有所帮助!
#region 清空指定页面上所有的控件内容,public static void ClearAllContent()
/// <summary>
/// 清空指定页面上所有的控件内容,包括TextBox,CheckBox,CheckBoxList,RadioButton,RadioButtonList。但是不清
/// 除如ListBox,DropDownList,因为这样的控件值对当前页面来说还可以用,一般这些控件里都是保存的字典数据。
/// Author:Kevin
/// 日期:2004-12-02
/// </summary>
/// <param name="page"> 指定的页面</param>
public static void ClearAllContent(System.Web.UI.Control page)
{
int nPageControls = page.Controls.Count;
for (int i = 0; i < nPageControls; i++)
{
foreach (System.Web.UI.Control control in page.Controls[i].Controls)
{
if (control.HasControls())
{
ClearAllText(control);
}
else
{
if (control is TextBox)
(control as TextBox).Text = "";
if (control is CheckBox)
(control as CheckBox).Checked = false;
if (control is RadioButtonList)
(control as RadioButtonList).SelectedIndex = -1;
if (control is RadioButton)
(control as RadioButton).Checked = false;
if (control is CheckBoxList)
{
foreach (ListItem item in (control as CheckBoxList).Items)
{
item.Selected = false;
}
}
}//if..else
}//foreach
}//for
}
#endregion