復制代碼 代碼如下:

<form runat="server">
<ul>
<li runat="server">初始值1</li>
<li runat="server">初始值2</li>
<li runat="server">初始值3</li>
<li runat="server">初始值4</li>
<li runat="server">初始值5</li>
<li runat="server">初始值6</li>
<li runat="server">初始值7</li>
<li runat="server">初始值8</li>
</ul>
<asp:Button runat="server" Text="Button" />
</form>

復制代碼 代碼如下:

protected void Button1_Click(object sender, EventArgs e)
{
//單擊按鈕后批量改變li元素的內聯文本值及樣式
for (int i = 1; i <= 8; i++)
{
HtmlGenericControl li = this.FindControl("li" + i) as HtmlGenericControl;
li.InnerHtml = "新值" + i.ToString();
li.Attributes.CssStyle.Value = "color:red";
}
}

復制代碼 代碼如下:

<form runat="server">
<ul runat="server">
<li runat="server">初始值1</li>
<li runat="server">初始值2</li>
<li runat="server">初始值3</li>
<li runat="server">初始值4</li>
<li runat="server">初始值5</li>
<li runat="server">初始值6</li>
<li runat="server">初始值7</li>
<li runat="server">初始值8</li>
</ul>
<asp:Button runat="server" Text="Button" />
</form>

復制代碼 代碼如下:

private int counter = 1;
protected void Button1_Click(object sender, EventArgs e)
{
//單擊按鈕后批量改變li元素的內聯文本值及樣式
foreach (Control control in ul1.Controls)
{
if (control is HtmlGenericControl)
{
HtmlGenericControl li = control as HtmlGenericControl;
li.InnerHtml = "新值" + (counter++).ToString();
li.Attributes.CssStyle.Value = "color:red";
}
}
}

復制代碼 代碼如下:

<form runat="server">
<ul runat="server">
<li>初始值1</li>
<li>初始值2</li>
<li>初始值3</li>
<li>初始值4</li>
<li>初始值5</li>
<li>初始值6</li>
<li>初始值7</li>
<li>初始值8</li>
</ul>
<asp:Button runat="server" Text="Button" />
<asp:Button runat="server" Text="測試空回發" />
</form>

復制代碼 代碼如下:

protected void Button1_Click(object sender, EventArgs e)
{
//單擊按鈕后批量改變li元素的內聯文本值及樣式
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(ul1.InnerHtml);
HtmlNodeCollection lis = htmlDoc.DocumentNode.SelectNodes("li");
for (int i = 0; i < lis.Count; i++)
{
lis[i].InnerHtml = "新值" + (i + 1).ToString();
lis[i].Attributes.Add("style", "color:red");
}
ul1.InnerHtml = htmlDoc.DocumentNode.InnerHtml;
}