HtmlSelect Constructor
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Initializes a new instance of the HtmlSelect class.
public:
HtmlSelect();
public HtmlSelect ();
Public Sub New ()
Examples
The following code example demonstrates how to dynamically create an instance of the HtmlSelect control and place it on the Web page.
<%@ 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" >
<script runat="server" >
void Page_Load(Object sender, EventArgs e)
{
// Create an HtmlSelect control.
HtmlSelect selectlist = new HtmlSelect();
// Populate the HtmlSelect control.
for(int i=0; i<5; i++)
{
ListItem item =
new ListItem("Item " + i.ToString(), i.ToString());
selectlist.Items.Add(item);
}
// Add the control to the Controls collection of the
// PlaceHolder control.
Place.Controls.Clear();
Place.Controls.Add(selectlist);
}
</script>
<head runat="server">
<title> HtmlSelect Constructor Example </title>
</head>
<body>
<form id="form1" runat="server">
<h3> HtmlSelect 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">
<html xmlns="http://www.w3.org/1999/xhtml" >
<script runat="server" >
Sub Page_Load(sender As Object, e As EventArgs)
' Create an HtmlSelect control.
Dim selectlist As HtmlSelect = New HtmlSelect()
' Populate the HtmlSelect control.
Dim i As Integer
For i=0 to 4
Dim item As ListItem = _
New ListItem("Item " + i.ToString(), i.ToString())
selectlist.Items.Add(item)
Next i
' Add the control to the Controls collection of the
' PlaceHolder control.
Place.Controls.Clear()
Place.Controls.Add(selectlist)
End Sub
</script>
<head runat="server">
<title> HtmlSelect Constructor Example </title>
</head>
<body>
<form id="form1" runat="server">
<h3> HtmlSelect Constructor Example </h3>
<asp:PlaceHolder id="Place" runat="server"/>
</form>
</body>
</html>
Remarks
Use this constructor to create and initialize a new instance of the HtmlSelect class.
The following table shows the initial property value for an instance of HtmlSelect.
Property | Initial Value |
---|---|
TagName | The "select" literal string. |
Applies to
ทํางานร่วมกับเราใน GitHub
แหล่งที่มาสำหรับเนื้อหานี้สามารถพบได้บน GitHub ซึ่งคุณยังสามารถสร้างและตรวจสอบปัญหาและคำขอดึงข้อมูลได้ สำหรับข้อมูลเพิ่มเติม ให้ดูคู่มือผู้สนับสนุนของเรา