AttributeCollection.Clear 方法
定義
重要
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從伺服器控制項的 AttributeCollection 物件中移除所有屬性。
public:
void Clear();public void Clear ();member this.Clear : unit -> unitPublic Sub Clear ()範例
下列範例示範如何以程式設計方式從 HTML 伺服器控制項的 AttributeCollection 物件中移除所有屬性。
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void ClearAttribute_Click(object sender, EventArgs e)
{
FirstSelect.Attributes.Clear();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>AttributeCollection Example</title>
</head>
<body>
<form id="form1" runat="server">
<div>
Make a selection:
<select id="FirstSelect"
style="font:16pt verdana; background-color:yellow; color:black;"
runat="server">
<option>This</option>
<option>That</option>
<option>Other</option>
</select>
<br/><br/>
<input type="submit"
id="clearattributes"
value="clear all attributes"
onserverclick="ClearAttribute_Click"
runat="server"/>
</div>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Protected Sub ClearAttribute_Click(ByVal sender As Object, ByVal e As System.EventArgs)
FirstSelect.Attributes.Clear()
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>AttributeCollection Example</title>
</head>
<body>
<form id="form1" runat="server">
<div>
Make a selection:
<select id="firstselect"
style="font:16pt verdana;background-color:yellow;color:black;"
runat="server">
<option>This</option>
<option>That</option>
<option>Other</option>
</select>
<br/><br/>
<input type="submit"
id="clearattributes"
value="clear all attributes"
onserverclick="clearattribute_click"
runat="server"/>
</div>
</form>
</body>
</html>
