PasswordRecovery.MembershipProvider 属性

参考

定义

命名空间:: System.Web.UI.WebControls

程序集:: System.Web.dll

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

获取或设置用于查找用户信息的成员资格提供程序。

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

属性值

String

用于查找用户信息的成员资格提供程序。默认值是 Empty。

属性: ThemeableAttribute

示例

下面的代码示例使用 VerifyingUser 事件更改 MembershipProvider 属性。

重要

此示例包含一个接受用户输入的文本框，这是一个潜在的安全威胁。默认情况下，ASP.NET 网页验证用户输入是否不包含脚本或 HTML 元素。有关详细信息，请参阅脚本侵入概述。

<%@ 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>

注解

属性 MembershipProvider 标识用于验证控件中 PasswordRecovery 输入的用户信息的成员资格提供程序。

成员资格提供程序在节的 Web.config 文件中 <membership> 定义。

MembershipProvider设置属性将更改使用的提供程序。如果未设置 MembershipProvider 属性，它将始终返回 Empty。

无法通过主题或样式表主题设置此属性。有关详细信息，请参阅 ThemeableAttribute 和 ASP.NET 主题和外观。

适用于

另请参阅

ASP.NET 登录控件概述

通过

PasswordRecovery.MembershipProvider 属性

定义

属性值

示例

注解

适用于

另请参阅

其他资源