Roles.GetAllRoles Método
Definição
Obtém uma lista de todas as funções do aplicativo.Gets a list of all the roles for the application.
public:
static cli::array <System::String ^> ^ GetAllRoles();
public static string[] GetAllRoles ();
static member GetAllRoles : unit -> string[]
Public Shared Function GetAllRoles () As String()
Retornos
- String[]
Uma matriz de cadeia de caracteres que contém os nomes de todas as funções armazenadas na fonte de dados do aplicativo.A string array containing the names of all the roles stored in the data source for the application.
Exceções
O gerenciamento de função não está habilitado.Role management is not enabled.
Exemplos
O exemplo de código a seguir usa o GetAllRoles método para obter a lista de funções para um aplicativo e associar os resultados a um System.Web.UI.WebControls.GridView controle.The following code example uses the GetAllRoles method to get the list of roles for an application and bind the results to a System.Web.UI.WebControls.GridView control. Para obter um exemplo de um arquivo de Web.config que habilita o gerenciamento de função, consulte Roles .For an example of a Web.config file that enables role management, see Roles.
Importante
Este exemplo contém uma caixa de texto que aceita a entrada do usuário, que é uma possível ameaça à segurança.This example contains a text box that accepts user input, which is a potential security threat. Por padrão, as páginas da Web do ASP.NET validam que a entrada do usuário não inclui elementos de script ou HTML.By default, ASP.NET Web pages validate that user input does not include script or HTML elements. Para obter mais informações, consulte Visão geral de explorações de script.For more information, see Script Exploits Overview.
<%@ 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">
string[] rolesArray;
public void Page_Load(object sender, EventArgs args)
{
if (!IsPostBack)
{
// Bind roles to GridView.
rolesArray = Roles.GetAllRoles();
RolesGrid.DataSource = rolesArray;
RolesGrid.DataBind();
}
}
public void CreateRole_OnClick(object sender, EventArgs args)
{
string createRole = RoleTextBox.Text;
try
{
if (Roles.RoleExists(createRole))
{
Msg.Text = "Role '" + Server.HtmlEncode(createRole) + "' already exists. Please specify a different role name.";
return;
}
Roles.CreateRole(createRole);
Msg.Text = "Role '" + Server.HtmlEncode(createRole) + "' created.";
// Re-bind roles to GridView.
rolesArray = Roles.GetAllRoles();
RolesGrid.DataSource = rolesArray;
RolesGrid.DataBind();
}
catch (Exception e)
{
Msg.Text = "Role '" + Server.HtmlEncode(createRole) + "' <u>not</u> created.";
Response.Write(e.ToString());
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Create Role</title>
</head>
<body>
<form runat="server" id="PageForm">
<h3>Create a Role</h3>
<asp:Label id="Msg" ForeColor="maroon" runat="server" /><br />
Role name:
<asp:TextBox id="RoleTextBox" runat="server" />
<asp:Button Text="Create Role" id="CreateRoleButton"
runat="server" OnClick="CreateRole_OnClick" />
<br />
<asp:GridView runat="server" CellPadding="2" id="RolesGrid"
Gridlines="Both" CellSpacing="2" AutoGenerateColumns="false" >
<HeaderStyle BackColor="navy" ForeColor="white" />
<Columns>
<asp:TemplateField HeaderText="Roles" >
<ItemTemplate>
<%# Container.DataItem.ToString() %>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</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 rolesArray() As String
Public Sub Page_Load(sender As Object, args As EventArgs)
If Not IsPostBack Then
' Bind roles to GridView.
rolesArray = Roles.GetAllRoles()
RolesGrid.DataSource = rolesArray
RolesGrid.DataBind()
End If
End Sub
Public Sub CreateRole_OnClick(sender As Object, args As EventArgs)
Dim createRole As String = RoleTextBox.Text
Try
If Roles.RoleExists(createRole) Then
Msg.Text = "Role '" & Server.HtmlEncode(createRole) & "' already exists. Please specify a different role name."
Return
End If
Roles.CreateRole(createRole)
Msg.Text = "Role '" & Server.HtmlEncode(createRole) & "' created."
' Re-bind roles to GridView.
rolesArray = Roles.GetAllRoles()
RolesGrid.DataSource = rolesArray
RolesGrid.DataBind()
Catch
Msg.Text = "Role '" & Server.HtmlEncode(createRole) & "' <u>not</u> created."
End Try
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Create Role</title>
</head>
<body>
<form runat="server" id="PageForm">
<h3>Create a Role</h3>
<asp:Label id="Msg" ForeColor="maroon" runat="server" /><br />
Role name:
<asp:TextBox id="RoleTextBox" runat="server" />
<asp:Button Text="Create Role" id="CreateRoleButton"
runat="server" OnClick="CreateRole_OnClick" />
<br />
<asp:GridView runat="server" CellPadding="2" id="RolesGrid"
Gridlines="Both" CellSpacing="2" AutoGenerateColumns="false" >
<HeaderStyle BackColor="navy" ForeColor="white" />
<Columns>
<asp:TemplateField HeaderText="Roles" >
<ItemTemplate>
<%# Container.DataItem.ToString() %>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</form>
</body>
</html>
Comentários
O GetAllRoles método chama o RoleProvider.GetAllRoles método do provedor de função padrão para obter uma lista de todas as funções da fonte de dados para um aplicativo.The GetAllRoles method calls the RoleProvider.GetAllRoles method of the default role provider to get a list of all the roles from the data source for an application. Somente as funções do aplicativo especificado na ApplicationName propriedade são recuperadas.Only the roles for the application that is specified in the ApplicationName property are retrieved.