AccessDataSource.ProviderName 屬性

  • 參考

定義

命名空間:
System.Web.UI.WebControls
組件:
System.Web.dll

取得 .NET 資料提供者的名稱，AccessDataSource 控制項會用來連接至 Microsoft Access 資料庫。

public:
 virtual property System::String ^ ProviderName { System::String ^ get(); void set(System::String ^ value); };
[System.ComponentModel.Browsable(false)]
public override string ProviderName { get; set; }
[<System.ComponentModel.Browsable(false)>]
member this.ProviderName : string with get, set
Public Overrides Property ProviderName As String

屬性值

String

字串 "System.Data.OleDb"。

屬性
BrowsableAttribute

例外狀況

InvalidOperationException

已嘗試設定 ProviderName 屬性。

範例

下列程式碼範例示範如何在Web Form頁面中顯示 ProviderName 控制項的 AccessDataSource 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">
private void Page_Load(Object sender, EventArgs e) {
  Label1.Text = AccessDataSource1.ProviderName;
}
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <asp:AccessDataSource
        id="AccessDataSource1"
        runat="server"
        DataFile="Northwind.mdb">
      </asp:AccessDataSource>

      <asp:Label
        id="Label1"
        runat="server">
      </asp:Label>

    </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">
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

  Label1.Text = AccessDataSource1.ProviderName

End Sub 'Page_Load
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <asp:AccessDataSource
        id="AccessDataSource1"
        runat="server"
        DataFile="Northwind.mdb">
      </asp:AccessDataSource>

      <asp:Label
        id="Label1"
        runat="server">
      </asp:Label>

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

備註

AccessDataSource雖然控制項因為繼承自其基類而公開 ProviderName 屬性，但嘗試設定 ProviderName 屬性會導致 NotSupportedException 例外狀況。

適用於

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