HtmlTextArea 构造函数
定义
重要
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初始化 HtmlTextArea 类的新实例。
public:
HtmlTextArea();public HtmlTextArea ();Public Sub New ()示例
下面的代码示例演示如何创建控件的 HtmlTextArea 实例并在网页上放置。
<%@ 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">
<script runat="server" >
void Page_Load(Object sender, EventArgs e)
{
// Create an HtmlTextArea control.
HtmlTextArea area = new HtmlTextArea();
area.ID = "TextArea1";
area.Value = "Enter text here.";
area.Cols = 20;
area.Rows = 5;
// Add the control to the Controls collection of the
// PlaceHolder control.
Place.Controls.Clear();
Place.Controls.Add(area);
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>HtmlTextArea Constructor Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>HtmlTextArea Constructor Example</h3>
<asp:PlaceHolder id="Place"
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">
<script runat="server" >
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Create an HtmlTextArea control.
Dim area As HtmlTextArea = New HtmlTextArea()
area.ID = "TextArea1"
area.Value = "Enter text here."
area.Cols = 20
area.Rows = 5
' Add the control to the Controls collection of the
' PlaceHolder control.
Place.Controls.Clear()
Place.Controls.Add(area)
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>HtmlTextArea Constructor Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>HtmlTextArea Constructor Example</h3>
<asp:PlaceHolder id="Place"
runat="server"/>
</form>
</body>
</html>
注解
使用此构造函数创建和初始化类的新实例 HtmlTextArea 。
下表显示了实例 HtmlTextArea的初始属性值。
| 属性 | 初始值 |
|---|---|
| TagName | “textarea”文本字符串。 |