📄 pageleveltrace1.aspx
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<%@ Page Trace="true" %>
<html>
<head>
<script language="C#" runat="server">
public void Page_Load(Object sender, EventArgs E)
{
Trace.Warn("Custom Trace","页面Page_Load方法开始执行");
}
void Apply_Click(object Source, EventArgs e)
{
Span1.Style["font-size"] = SizeSelect.Value;
}
void AddToList_Click(object Source, EventArgs e)
{
SizeSelect.Items.Add(Text1.Value);
}
</script>
</head>
<body>
<form runat="server">
请选择字体大小:<br>
<select id="SizeSelect" runat="server">
<option>10</option>
<option>20</option>
<option>30</option>
<option>40</option>
</select>
<input type="button" runat="server" Value="应用" OnServerClick="Apply_Click">
<p>向列表中添加新字体大小<br>
<input type="text" id="Text1" runat="server">
<input type="button" runat="server" Value="添加新字体大小" OnServerClick="AddToList_Click">
<p><span id="Span1" runat="server">点击应用按钮使用新字体大小</span>
</form>
</body>
</html>
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