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PasswordRecovery.MembershipProvider 屬性

定義

取得或設定用於尋找使用者資訊的成員資格提供者。

public:
 virtual property System::String ^ MembershipProvider { System::String ^ get(); void set(System::String ^ value); };
[System.Web.UI.Themeable(false)]
public virtual string MembershipProvider { get; set; }
[<System.Web.UI.Themeable(false)>]
member this.MembershipProvider : string with get, set
Public Overridable Property MembershipProvider As String

屬性值

用於尋找使用者資訊的成員資格提供者。 預設值是 Empty

屬性

範例

下列程式代碼範例會 VerifyingUser 使用 事件來變更 MembershipProvider 屬性。

重要

此範例包含接受使用者輸入的文本框,這是潛在的安全性威脅。 根據預設,ASP.NET Web 網頁會驗證使用者輸入未包含指令碼或 HTML 項目。 如需詳細資訊,請參閱 Script Exploits Overview (指令碼攻擊概觀)。

<%@ 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"> 

    void PasswordRecovery1_VerifyingUser(Object sender, System.Web.UI.WebControls.LoginCancelEventArgs e)
    {
          DropDownList provider = ((DropDownList)PasswordRecovery1.FindControl("LoginProvider"));

        PasswordRecovery1.MembershipProvider = provider.SelectedValue;
        if (PasswordRecovery1.MembershipProvider != "Default")
        {
          PasswordRecovery1.UserName = String.Format("{0}\\{1}",
            PasswordRecovery1.MembershipProvider, PasswordRecovery1.UserName);    
        }         

    }
    
    void PasswordRecovery1_VerifyingAnswer(Object sender, System.Web.UI.WebControls.LoginCancelEventArgs e)
    {
        PasswordRecovery1.UserName = String.Format("{0}\\{1}",
          PasswordRecovery1.MembershipProvider, PasswordRecovery1.UserName);
    }  
    
</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:passwordrecovery id="PasswordRecovery1" 
        runat="server" 
        onverifyinguser="PasswordRecovery1_VerifyingUser"
        onverifyinganswer="PasswordRecovery1_VerifyingAnswer">
        <usernametemplate>
          <table border="0">
            <tr>
              <td align="Center" colspan="2">Forgot Your Password?</td>
            </tr>
            <tr>
              <td align="Center" colspan="2">Enter your User Name to receive your password.</td>
            </tr>
            <tr>
              <td>Log in domain:</td>
              <td>
                <asp:dropdownlist id="LoginProvider" runat="server">
                  <asp:listitem value="Default">Default</asp:listitem>
                  <asp:listitem value="Administration">Administration</asp:listitem>
                  <asp:listitem value="Editorial">Editorial</asp:listitem>
                  <asp:listitem value="Finance">Finance</asp:listitem>
                  <asp:listitem value="Marketing">Marketing</asp:listitem>
                </asp:dropdownlist>
              </td>
            </tr>
            <tr>
              <td align="Right">User Name:</td>
              <td>
                <asp:textbox runat="server" id="UserName"></asp:textbox>
                <asp:requiredfieldvalidator runat="server" 
                  controltovalidate="UserName" 
                  errormessage="User Name." 
                  id="UserNameRequired">
                  *
                </asp:requiredfieldvalidator>
              </td>
            </tr>
            <tr>
              <td align="Right" colspan="2">
                <asp:button runat="server" 
                  commandname="Submit" 
                  text="Submit" 
                  id="Button">
                </asp:button>
              </td>
            </tr>
            <tr>
              <td colspan="2" style="color:Red;">
                <asp:literal runat="server" id="FailureText"></asp:literal>
              </td>
            </tr>
          </table>
        </usernametemplate>
      </asp:passwordrecovery>
    </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 PasswordRecovery1_VerifyingUser(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.LoginCancelEventArgs)
  
      Dim provider as DropDownList
      provider = CType(PasswordRecovery1.FindControl("LoginProvider"),DropDownList)
    PasswordRecovery1.MembershipProvider = provider.SelectedValue
    
        If PasswordRecovery1.MembershipProvider <> "Default" Then
          PasswordRecovery1.UserName = String.Format("{1}\\{0}", _
            PasswordRecovery1.MembershipProvider, PasswordRecovery1.UserName)
        End If
        
    End Sub
    
    Sub PasswordRecovery1_VerifyingAnswer(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.LoginCancelEventArgs)
    
      PasswordRecovery1.UserName = String.Format("{1}\\{0}", _
        PasswordRecovery1.MembershipProvider, PasswordRecovery1.UserName)
            
    End Sub
</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:passwordrecovery id="PasswordRecovery1" 
        runat="server" 
        onverifyinguser="PasswordRecovery1_VerifyingUser" 
        onverifyinganswer="PasswordRecovery1_VerifyingAnswer">
          <usernametemplate>
            <table border="0">
              <tr>
                  <td align="Center" colspan="2">Forgot Your Password?</td>
              </tr>
              <tr>
                  <td align="Center" colspan="2">Enter your User Name to receive your password.</td>
              </tr>
              <tr>
                <td>Log in domain:</td>
                <td>
                  <asp:dropdownlist id="LoginProvider" runat="server">
                    <asp:listitem value="Default">Default</asp:listitem>
                    <asp:listitem value="Administration">Administration</asp:listitem>
                    <asp:listitem value="Editorial">Editorial</asp:listitem>
                    <asp:listitem value="Finance">Finance</asp:listitem>
                    <asp:listitem value="Marketing">Marketing</asp:listitem>
                  </asp:dropdownlist>
                </td>
              </tr>
              <tr>
                <td align="Right">User Name:</td>
                <td>
                  <asp:textbox runat="server" 
                    id="UserName">
                  </asp:textbox>
                  <asp:requiredfieldvalidator runat="server" 
                    controltovalidate="UserName" 
                    errormessage="User Name." 
                    id="UserNameRequired">
                    *
                  </asp:requiredfieldvalidator>
                </td>
              </tr>
              <tr>
                <td align="Right" colspan="2">
                  <asp:button runat="server" 
                    commandname="Submit" 
                    text="Submit" 
                    id="Button">
                  </asp:button>
                </td>
              </tr>
              <tr>
                <td colspan="2" style="color:Red;">
                  <asp:literal runat="server" id="FailureText"></asp:literal>
                </td>
              </tr>
            </table>
          </usernametemplate>
      </asp:passwordrecovery>
    </form>
  </body>
</html>

備註

屬性 MembershipProvider 會識別用來驗證控件中所 PasswordRecovery 輸入使用者信息的成員資格提供者。

成員資格提供者定義於 區段中的 Web.config 檔案中 <membership>

MembershipProvider設定 屬性將會變更所使用的提供者。 如果您未設定 MembershipProvider 屬性,它一律會傳回 Empty

這個屬性無法由佈景主題或樣式表主題設定。 如需詳細資訊,請參閱 ThemeableAttributeASP.NET 主題和外觀

適用於

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