PasswordRecovery.MembershipProvider 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
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 ThemeableAttribute 和 ASP.NET 主題和外觀。