Membership.GetAllUsers 方法
定义
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。
获取数据库中用户的集合。
重载
GetAllUsers() |
获取数据库中所有用户的集合。 |
GetAllUsers(Int32, Int32, Int32) |
获取数据库中的所有用户的集合,并显示在数据页中。 |
GetAllUsers()
获取数据库中所有用户的集合。
public:
static System::Web::Security::MembershipUserCollection ^ GetAllUsers();
public static System.Web.Security.MembershipUserCollection GetAllUsers ();
static member GetAllUsers : unit -> System.Web.Security.MembershipUserCollection
Public Shared Function GetAllUsers () As MembershipUserCollection
返回
MembershipUserCollection 对象的 MembershipUser,表示数据库中的所有用户。
示例
下面的代码示例返回具有当前联机用户数计数的用户列表。
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Security" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
int pageSize = 5;
int totalUsers;
int totalPages;
int currentPage = 1;
public void Page_Load()
{
if (!IsPostBack)
{
GetUsers();
}
}
private void GetUsers()
{
UsersOnlineLabel.Text = Membership.GetNumberOfUsersOnline().ToString();
UserGrid.DataSource = Membership.GetAllUsers(currentPage-1, pageSize, out totalUsers);
totalPages = ((totalUsers - 1) / pageSize) + 1;
// Ensure that we do not navigate past the last page of users.
if (currentPage > totalPages)
{
currentPage = totalPages;
GetUsers();
return;
}
UserGrid.DataBind();
CurrentPageLabel.Text = currentPage.ToString();
TotalPagesLabel.Text = totalPages.ToString();
if (currentPage == totalPages)
NextButton.Visible = false;
else
NextButton.Visible = true;
if (currentPage == 1)
PreviousButton.Visible = false;
else
PreviousButton.Visible = true;
if (totalUsers <= 0)
NavigationPanel.Visible = false;
else
NavigationPanel.Visible = true;
}
public void NextButton_OnClick(object sender, EventArgs args)
{
currentPage = Convert.ToInt32(CurrentPageLabel.Text);
currentPage++;
GetUsers();
}
public void PreviousButton_OnClick(object sender, EventArgs args)
{
currentPage = Convert.ToInt32(CurrentPageLabel.Text);
currentPage--;
GetUsers();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Find Users</title>
</head>
<body>
<form id="form1" runat="server">
<h3>User List</h3>
Number of Users Online: <asp:Label id="UsersOnlineLabel" runat="Server" /><br />
<asp:Panel id="NavigationPanel" Visible="false" runat="server">
<table border="0" cellpadding="3" cellspacing="3">
<tr>
<td style="width:100">Page <asp:Label id="CurrentPageLabel" runat="server" />
of <asp:Label id="TotalPagesLabel" runat="server" /></td>
<td style="width:60"><asp:LinkButton id="PreviousButton" Text="< Prev"
OnClick="PreviousButton_OnClick" runat="server" /></td>
<td style="width:60"><asp:LinkButton id="NextButton" Text="Next >"
OnClick="NextButton_OnClick" runat="server" /></td>
</tr>
</table>
</asp:Panel>
<asp:DataGrid id="UserGrid" runat="server"
CellPadding="2" CellSpacing="1"
Gridlines="Both">
<HeaderStyle BackColor="darkblue" ForeColor="white" />
</asp:DataGrid>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<%@ Import Namespace="System.Web.Security" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Dim pageSize As Integer = 5
Dim totalUsers As Integer
Dim totalPages As Integer
Dim currentPage As Integer = 1
Public Sub Page_Load()
If Not IsPostBack Then
GetUsers()
End If
End Sub
Private Sub GetUsers()
UsersOnlineLabel.Text = Membership.GetNumberOfUsersOnline().ToString()
UserGrid.DataSource = Membership.GetAllUsers(currentPage-1, pageSize, totalUsers)
totalPages = ((totalUsers - 1) \ pageSize) + 1
' Ensure that we do not navigate past the last page of users.
If currentPage > totalPages Then
currentPage = totalPages
GetUsers()
Return
End If
UserGrid.DataBind()
CurrentPageLabel.Text = currentPage.ToString()
TotalPagesLabel.Text = totalPages.ToString()
If currentPage = totalPages Then
NextButton.Visible = False
Else
NextButton.Visible = True
End If
If currentPage = 1 Then
PreviousButton.Visible = False
Else
PreviousButton.Visible = True
End If
If totalUsers <= 0 Then
NavigationPanel.Visible = False
Else
NavigationPanel.Visible = True
End If
End SUb
Public Sub NextButton_OnClick(sender As Object, args As EventArgs)
currentPage = Convert.ToInt32(CurrentPageLabel.Text)
currentPage += 1
GetUsers()
End Sub
Public Sub PreviousButton_OnClick(sender As Object, args As EventArgs)
currentPage = Convert.ToInt32(CurrentPageLabel.Text)
currentPage -= 1
GetUsers()
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Find Users</title>
</head>
<body>
<form id="form1" runat="server">
<h3>User List</h3>
Number of Users Online: <asp:Label id="UsersOnlineLabel" runat="Server" /><br />
<asp:Panel id="NavigationPanel" Visible="false" runat="server">
<table border="0" cellpadding="3" cellspacing="3">
<tr>
<td style="width:100">Page <asp:Label id="CurrentPageLabel" runat="server" />
of <asp:Label id="TotalPagesLabel" runat="server" /></td>
<td style="width:60"><asp:LinkButton id="PreviousButton" Text="< Prev"
OnClick="PreviousButton_OnClick" runat="server" /></td>
<td style="width:60"><asp:LinkButton id="NextButton" Text="Next >"
OnClick="NextButton_OnClick" runat="server" /></td>
</tr>
</table>
</asp:Panel>
<asp:DataGrid id="UserGrid" runat="server"
CellPadding="2" CellSpacing="1"
Gridlines="Both">
<HeaderStyle BackColor="darkblue" ForeColor="white" />
</asp:DataGrid>
</form>
</body>
</html>
注解
GetAllUsers 作为 对象的集合 MembershipUser 返回应用程序的所有成员身份用户的信息。 将 方法用于非常大的用户数据库时 GetAllUsers 要小心,因为生成的 MembershipUserCollection ASP.NET 页可能会降低应用程序的性能。
另请参阅
适用于
GetAllUsers(Int32, Int32, Int32)
获取数据库中的所有用户的集合,并显示在数据页中。
public:
static System::Web::Security::MembershipUserCollection ^ GetAllUsers(int pageIndex, int pageSize, [Runtime::InteropServices::Out] int % totalRecords);
public static System.Web.Security.MembershipUserCollection GetAllUsers (int pageIndex, int pageSize, out int totalRecords);
static member GetAllUsers : int * int * int -> System.Web.Security.MembershipUserCollection
Public Shared Function GetAllUsers (pageIndex As Integer, pageSize As Integer, ByRef totalRecords As Integer) As MembershipUserCollection
参数
- pageIndex
- Int32
要返回的结果页的索引。 使用 0 来指示第一页。
- pageSize
- Int32
要返回的结果页的大小。
pageIndex
从零开始。
- totalRecords
- Int32
用户的总数。
返回
MembershipUserCollection 对象的 MembershipUser,表示数据库中配置的 applicationName
的所有用户。
例外
示例
下面的代码示例返回数据页中的用户列表,其中包含当前联机用户数的计数。
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Security" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
int pageSize = 5;
int totalUsers;
int totalPages;
int currentPage = 1;
public void Page_Load()
{
if (!IsPostBack)
{
GetUsers();
}
}
private void GetUsers()
{
UsersOnlineLabel.Text = Membership.GetNumberOfUsersOnline().ToString();
UserGrid.DataSource = Membership.GetAllUsers(currentPage-1, pageSize, out totalUsers);
totalPages = ((totalUsers - 1) / pageSize) + 1;
// Ensure that we do not navigate past the last page of users.
if (currentPage > totalPages)
{
currentPage = totalPages;
GetUsers();
return;
}
UserGrid.DataBind();
CurrentPageLabel.Text = currentPage.ToString();
TotalPagesLabel.Text = totalPages.ToString();
if (currentPage == totalPages)
NextButton.Visible = false;
else
NextButton.Visible = true;
if (currentPage == 1)
PreviousButton.Visible = false;
else
PreviousButton.Visible = true;
if (totalUsers <= 0)
NavigationPanel.Visible = false;
else
NavigationPanel.Visible = true;
}
public void NextButton_OnClick(object sender, EventArgs args)
{
currentPage = Convert.ToInt32(CurrentPageLabel.Text);
currentPage++;
GetUsers();
}
public void PreviousButton_OnClick(object sender, EventArgs args)
{
currentPage = Convert.ToInt32(CurrentPageLabel.Text);
currentPage--;
GetUsers();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Find Users</title>
</head>
<body>
<form id="form1" runat="server">
<h3>User List</h3>
Number of Users Online: <asp:Label id="UsersOnlineLabel" runat="Server" /><br />
<asp:Panel id="NavigationPanel" Visible="false" runat="server">
<table border="0" cellpadding="3" cellspacing="3">
<tr>
<td style="width:100">Page <asp:Label id="CurrentPageLabel" runat="server" />
of <asp:Label id="TotalPagesLabel" runat="server" /></td>
<td style="width:60"><asp:LinkButton id="PreviousButton" Text="< Prev"
OnClick="PreviousButton_OnClick" runat="server" /></td>
<td style="width:60"><asp:LinkButton id="NextButton" Text="Next >"
OnClick="NextButton_OnClick" runat="server" /></td>
</tr>
</table>
</asp:Panel>
<asp:DataGrid id="UserGrid" runat="server"
CellPadding="2" CellSpacing="1"
Gridlines="Both">
<HeaderStyle BackColor="darkblue" ForeColor="white" />
</asp:DataGrid>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<%@ Import Namespace="System.Web.Security" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Dim pageSize As Integer = 5
Dim totalUsers As Integer
Dim totalPages As Integer
Dim currentPage As Integer = 1
Public Sub Page_Load()
If Not IsPostBack Then
GetUsers()
End If
End Sub
Private Sub GetUsers()
UsersOnlineLabel.Text = Membership.GetNumberOfUsersOnline().ToString()
UserGrid.DataSource = Membership.GetAllUsers(currentPage-1, pageSize, totalUsers)
totalPages = ((totalUsers - 1) \ pageSize) + 1
' Ensure that we do not navigate past the last page of users.
If currentPage > totalPages Then
currentPage = totalPages
GetUsers()
Return
End If
UserGrid.DataBind()
CurrentPageLabel.Text = currentPage.ToString()
TotalPagesLabel.Text = totalPages.ToString()
If currentPage = totalPages Then
NextButton.Visible = False
Else
NextButton.Visible = True
End If
If currentPage = 1 Then
PreviousButton.Visible = False
Else
PreviousButton.Visible = True
End If
If totalUsers <= 0 Then
NavigationPanel.Visible = False
Else
NavigationPanel.Visible = True
End If
End SUb
Public Sub NextButton_OnClick(sender As Object, args As EventArgs)
currentPage = Convert.ToInt32(CurrentPageLabel.Text)
currentPage += 1
GetUsers()
End Sub
Public Sub PreviousButton_OnClick(sender As Object, args As EventArgs)
currentPage = Convert.ToInt32(CurrentPageLabel.Text)
currentPage -= 1
GetUsers()
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Find Users</title>
</head>
<body>
<form id="form1" runat="server">
<h3>User List</h3>
Number of Users Online: <asp:Label id="UsersOnlineLabel" runat="Server" /><br />
<asp:Panel id="NavigationPanel" Visible="false" runat="server">
<table border="0" cellpadding="3" cellspacing="3">
<tr>
<td style="width:100">Page <asp:Label id="CurrentPageLabel" runat="server" />
of <asp:Label id="TotalPagesLabel" runat="server" /></td>
<td style="width:60"><asp:LinkButton id="PreviousButton" Text="< Prev"
OnClick="PreviousButton_OnClick" runat="server" /></td>
<td style="width:60"><asp:LinkButton id="NextButton" Text="Next >"
OnClick="NextButton_OnClick" runat="server" /></td>
</tr>
</table>
</asp:Panel>
<asp:DataGrid id="UserGrid" runat="server"
CellPadding="2" CellSpacing="1"
Gridlines="Both">
<HeaderStyle BackColor="darkblue" ForeColor="white" />
</asp:DataGrid>
</form>
</body>
</html>
注解
返回 GetAllUsers 的结果受 pageIndex
和 pageSize
参数的约束。 参数pageSize
标识在 中MembershipUserCollection返回的最大对象数MembershipUser。 参数 pageIndex
标识要返回的结果页,其中 0 标识第一页。 参数 totalRecords
是一个 out
参数,它设置为已配置 applicationName
的成员身份用户总数。 例如,如果配置的 applicationName
有 13 个用户,并且 pageIndex
值为 1,值为 pageSize
5, MembershipUserCollection 则返回的 将包含返回的第六个到第十个用户。
totalRecords
将设置为 13。