XmlDataSource.Data 屬性

public:
 virtual property System::String ^ Data { System::String ^ get(); void set(System::String ^ value); };

[System.ComponentModel.TypeConverter("System.ComponentModel.MultilineStringConverter,System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)]
public virtual string Data { get; set; }

[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)]
[System.ComponentModel.TypeConverter("System.ComponentModel.MultilineStringConverter,System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public virtual string Data { get; set; }

[<System.ComponentModel.TypeConverter("System.ComponentModel.MultilineStringConverter,System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")>]
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)>]
member this.Data : string with get, set

[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)>]
[<System.ComponentModel.TypeConverter("System.ComponentModel.MultilineStringConverter,System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")>]
member this.Data : string with get, set

Public Overridable Property Data As String

屬性值

一串內嵌 XML 資料， XmlDataSource 控制項綁定的。 預設值為 Empty。

屬性

TypeConverterAttribute PersistenceModeAttribute

例外狀況

範例

以下程式碼範例示範如何使用XmlDataSource控制項來顯示屬性Data中包含的TreeView內嵌 XML 資料。

<%@ Page Language="C#" %>
<!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 runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
      <asp:xmldatasource
        id="XmlDataSource1"
        runat="server" >
        <data>
          <Books>
            <LanguageBooks>
              <Book Title="Pure JavaScript" Author="Wyke, Gilliam, and Ting"/>
              <Book Title="Effective C++ Second Edition" Author="Scott Meyers"/>
              <Book Title="Assembly Language Step-By-Step" Author="Jeff Duntemann"/>
              <Book Title="Oracle PL/SQL" Author="Steven Feuerstein"/>
            </LanguageBooks>
            <SecurityBooks>
              <Book Title="Counter Hack" Author="Ed Skoudis"/>
            </SecurityBooks>
          </Books>
        </data>
        </asp:xmldatasource>

      <!- TreeView uses hierachical data, so the
          XmlDataSource uses an XmlHierarchicalDataSourceView
          when a TreeView is bound to it. -->

      <asp:treeview
        id="TreeView1"
        runat="server"
        datasourceid="XmlDataSource1">
        <databindings>
          <asp:treenodebinding datamember="Book" textfield="Title"/>
        </databindings>
      </asp:treeview>

    </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">

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
      <asp:xmldatasource
        id="XmlDataSource1"
        runat="server" >
        <data>
          <Books>
            <LanguageBooks>
              <Book Title="Pure JavaScript" Author="Wyke, Gilliam, and Ting"/>
              <Book Title="Effective C++ Second Edition" Author="Scott Meyers"/>
              <Book Title="Assembly Language Step-By-Step" Author="Jeff Duntemann"/>
              <Book Title="Oracle PL/SQL" Author="Steven Feuerstein"/>
            </LanguageBooks>
            <SecurityBooks>
              <Book Title="Counter Hack" Author="Ed Skoudis"/>
            </SecurityBooks>
          </Books>
        </data>
        </asp:xmldatasource>

      <!- TreeView uses hierachical data, so the
          XmlDataSource uses an XmlHierarchicalDataSourceView
          when a TreeView is bound to it. -->

      <asp:treeview
        id="TreeView1"
        runat="server"
        datasourceid="XmlDataSource1">
        <databindings>
          <asp:treenodebinding datamember="Book" textfield="Title"/>
        </databindings>
      </asp:treeview>

    </form>
  </body>
</html>

備註

在宣告式情境中，該 Data 屬性被指定為物件的 XmlDataSource 多行內部性質。 內部屬性與 XML 資料相容，因為它允許你以任何方式格式化 XML 資料，並忽略字元填充問題，例如填充引號字元。

若同時 DataFile 設定 和 Data 屬性， DataFile 屬性優先，且使用 XML 檔案中的資料，取代屬性 Data 中指定的 XML 資料。

如果你改變了房產價值 Data ，事件 DataSourceChanged 就會被觸發。 如果啟用快取且你更改了 的 Data值，快取就會失效。

另請參閱

• DataFile
• CacheKeyDependency