UserWithRolesExtensions.IsUserInRole(IUserWithRoles, String) Method

Static extension method that determines whether the user belongs to a specific role.

Namespace: DevExpress.ExpressApp.Security

Assembly: DevExpress.ExpressApp.Security.v24.1.dll

NuGet Package: DevExpress.ExpressApp.Security

Declaration

C#

public static bool IsUserInRole(
    this IUserWithRoles user,
    string roleName
)

VB.NET

<ExtensionAttribute>
Public Shared Function IsUserInRole(
    user As IUserWithRoles,
    roleName As String
) As Boolean

Parameters

Name	Type	Description
user	DevExpress.Persistent.Base.Security.IUserWithRoles	An IUserWithRoles object that specifies the user.
roleName	String	A string that specifies the role name (see XPO PermissionPolicyRoleBase.Name or EF Core PermissionPolicyRoleBase.Name).

Returns

Type	Description
Boolean	true, if the user belongs to the given role; otherwise - false.

Remarks

For example, you can use this method in a custom Controller to determine whether a user belongs to a certain role in code.

C#

using DevExpress.ExpressApp.Security;
// ...
public class MyController : ViewController {
    // ...
    protected override void OnActivated() {
        base.OnActivated();
        ISecurityUserWithRoles currentUser = (ISecurityUserWithRoles)SecuritySystem.CurrentUser;
        restrictedAction.Enabled["ForAdminsOnly"] = currentUser.IsUserInRole("Administrators");
    }
    // ...
}

VB.NET

Imports DevExpress.ExpressApp.Security
' ...
Public Class MyController
    Inherits ViewController
    ' ...
    Protected Overrides Sub OnActivated()
        MyBase.OnActivated()
        Dim currentUser As ISecurityUserWithRoles = CType(SecuritySystem.CurrentUser, ISecurityUserWithRoles)
        restrictedAction.Enabled("ForAdminsOnly") = currentUser.IsUserInRole("Administrators")
    End Sub
    ' ...
End Class

Important

Do not forget to add the using (Imports in VB) directive for the DevExpress.ExpressApp.Security namespace when using the IsUserInRole extension method.