HtmlButton 构造函数
定义
重要
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初始化 HtmlButton 类的新实例。
public:
HtmlButton();public HtmlButton ();Public Sub New ()示例
下面的代码示例演示如何将控件动态添加到HtmlButtonWeb Forms页。
<%@ Page Language="C#" AutoEventWireup="True" %>
<!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" >
<head>
<title> HtmlButton Constructor Example </title>
<script runat="server">
void Page_Load(Object sender, EventArgs e)
{
// Create a new HtmlButton control.
HtmlButton NewButtonControl = new HtmlButton();
// Set the properties of the new HtmlButton control.
NewButtonControl.ID = "NewButtonControl";
NewButtonControl.InnerHtml = "Click Me";
// Create an EventHandler delegate for the method you want to handle the event
// and then add it to the list of methods called when the event is raised.
NewButtonControl.ServerClick += new System.EventHandler(this.Button_Click);
// Add the new HtmlButton control to the Controls collection of the
// PlaceHolder control.
ControlContainer.Controls.Add(NewButtonControl);
}
void Button_Click(Object sender, EventArgs e)
{
// Display a simple message.
Message.InnerHtml = "Thank you for clicking the button.";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<h3> HtmlButton Constructor Example </h3>
<asp:PlaceHolder ID="ControlContainer"
runat="server"/>
<br /><br />
<span id="Message"
runat="server"/>
</form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<!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" >
<head>
<title> HtmlButton Constructor Example </title>
<script runat="server">
Sub Page_Load(sender As Object, e As EventArgs)
' Create a new HtmlButton control.
Dim NewButtonControl As New HtmlButton()
' Set the properties of the new HtmlButton control.
NewButtonControl.ID = "NewButtonControl"
NewButtonControl.InnerHtml = "Click Me"
' Create an EventHandler delegate for the method you want to handle the event
' and then add it to the list of methods called when the event is raised.
AddHandler NewButtonControl.ServerClick, AddressOf Button_Click
' Add the new HtmlButton control to the Controls collection of the
' PlaceHolder control.
ControlContainer.Controls.Add(NewButtonControl)
End Sub
Sub Button_Click(sender As Object, e As EventArgs)
' Display a simple message.
Message.InnerHtml = "Thank you for clicking the button."
End Sub
</script>
</head>
<body>
<form id="form1" runat="server">
<h3> HtmlButton Constructor Example </h3>
<asp:PlaceHolder ID="ControlContainer"
runat="server"/>
<br /><br />
<span id="Message"
runat="server"/>
</form>
</body>
</html>
注解
使用此构造函数创建和初始化 控件的新实例 HtmlButton 。
下表显示了 实例 HtmlButton的初始属性值。
| properties | 初始值 |
|---|---|
| TagName | “button”文本字符串。 |
