AuthorizationStoreRoleProvider.GetAllRoles Method
Definition
Important
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Gets a list of all the roles for the application.
public:
override cli::array <System::String ^> ^ GetAllRoles();public override string[] GetAllRoles ();override this.GetAllRoles : unit -> string[]Public Overrides Function GetAllRoles () As String()Returns
A string array containing the names of all the roles stored in the authorization-manager policy store for a particular application.
Exceptions
The configured applicationName was not found.
-or-
The configured scopeName was not found.
-or-
The authorization-manager runtime is not installed on the server.
The connectionStringName attribute references a connection string to a file that does not exist.
The AuthorizationStoreRoleProvider instance is configured with a file-based policy store, and read access to the file is not allowed at the current trust level.
Examples
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. For an example of a Web.config file that enables role management, see AuthorizationStoreRoleProvider.
<%@ 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>
Remarks
The GetAllRoles method is called by the Roles class to retrieve a list of all the roles in the authorization-manager policy store specified in the ASP.NET application's configuration file (Web.config).
