ParseChildrenAttribute.DefaultProperty 属性
定义
重要
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获取或设置元素被分析为的服务器控件的默认属性。
public:
property System::String ^ DefaultProperty { System::String ^ get(); void set(System::String ^ value); };public string DefaultProperty { get; set; }member this.DefaultProperty : string with get, setPublic Property DefaultProperty As String属性值
元素被分析为的服务器控件的默认集合属性的名称。
例外
当前 ParseChildrenAttribute 是在将 childrenAsProperties 设置为 false 的情况下调用的。
示例
下面的代码示例演示如何查询 DefaultProperty 属性。 有关本代码示例中使用的 和 Employee 类的定义CollectionPropertyControl，请参阅 ParseChildrenAttribute。
<%@ Page Language="C#" Debug="true" %>
<%@ Register TagPrefix="AspSample" Assembly="Samples.AspNet.CS.Controls" Namespace="Samples.AspNet.CS.Controls" %>
<!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 Page_Load(object sender, EventArgs e)
{
// Verify attribute values.
ParseChildrenAttribute p =
(ParseChildrenAttribute)Attribute.GetCustomAttribute(typeof(CollectionPropertyControl),
typeof(ParseChildrenAttribute));
StringBuilder sb = new StringBuilder();
sb.Append("The DefaultProperty property is " + p.DefaultProperty.ToString() + "<br />");
sb.Append("The ChildrenAsProperties property is " + p.ChildrenAsProperties.ToString() + "<br />");
sb.Append("The IsDefaultAttribute method returns " + p.IsDefaultAttribute().ToString());
Message.Text = sb.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>ParseChildrenAttribute Example</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Message"
runat="server"/>
<AspSample:CollectionPropertyControl id="CollectionPropertyControl1"
runat="server">
<AspSample:Employee Name="Employee 1"
Title="Title 1"
Alias="Alias 1" />
<AspSample:Employee Name="Employee 2"
Title="Title 2"
Alias="Alias 2" />
</AspSample:CollectionPropertyControl>
</div>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<%@ Register TagPrefix="AspSample" Assembly="Samples.AspNet.VB.Controls" Namespace="Samples.AspNet.VB.Controls" %>
<!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 Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
' Verify attribute values.
Dim p As ParseChildrenAttribute = _
Attribute.GetCustomAttribute(GetType(CollectionPropertyControl), _
GetType(ParseChildrenAttribute))
Dim sb As New StringBuilder()
sb.Append("The DefaultProperty property is " & p.DefaultProperty.ToString() & "<br />")
sb.Append("The ChildrenAsProperties property is " & p.ChildrenAsProperties.ToString() & "<br />")
sb.Append("The IsDefaultAttribute method returns " & p.IsDefaultAttribute().ToString())
Message.Text = sb.ToString()
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>PersistChildrenAttribute</title>
</head>
<body>
<form id="Form1" runat="server">
<div>
<asp:Label ID="Message"
runat="server"/>
<AspSample:CollectionPropertyControl id="CollectionPropertyControl1"
runat="server">
<AspSample:Employee Name="Employee 1"
Title="Title 1"
Alias="Alias 1" />
<AspSample:Employee Name="Employee 2"
Title="Title 2"
Alias="Alias 2" />
</AspSample:CollectionPropertyControl>
</div>
</form>
</body>
</html>
注解
DefaultProperty仅当字符串传递给构造函数时，ParseChildrenAttribute才使用 属性。 ParseChildrenAttribute创建 类时， DefaultProperty 属性定义要分析的服务器控件的默认属性。
