PermissionPolicyRoleBase.PermissionPolicy Property

Specifies the Security System behavior when there are no explicitly specified permissions for a specific type, object or member.

Namespace: DevExpress.Persistent.BaseImpl.PermissionPolicy

Assembly: DevExpress.Persistent.BaseImpl.Xpo.v24.2.dll

NuGet Package: DevExpress.Persistent.BaseImpl.Xpo

Declaration

C#

[VisibleInListView(false)]
[Appearance("XPOPermissionPolicyIsAdministrative", Enabled = false, Criteria = "IsAdministrative", Context = "DetailView")]
public SecurityPermissionPolicy PermissionPolicy { get; set; }

VB.NET

<VisibleInListView(False)>
<Appearance("XPOPermissionPolicyIsAdministrative", Enabled:=False, Criteria:="IsAdministrative", Context:="DetailView")>
Public Property PermissionPolicy As SecurityPermissionPolicy

Property Value

Type	Description
SecurityPermissionPolicy	A SecurityPermissionPolicy enumeration value specifying the behavior when there are no explicitly specified permissions.

Available values:

Name	Description
DenyAllByDefault	Access is denied by default.
ReadOnlyAllByDefault	Read-only access is granted by default.
AllowAllByDefault	Full access is granted by default.

Remarks

With this property, you can assign “deny all”, “read only all” or “allow all” default permission policies for each role. For each operation, you can explicitly specify the Allow or Deny modifier or leave it blank.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the PermissionPolicy property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

How-To-Set-Permissions-States-Automatically/CS/SecuritySetState.Module/Controllers/SetStateController.cs#L23

SecurityPermissionState defaultState = SecurityPermissionState.Allow;
if(typePermission.Role.PermissionPolicy == SecurityPermissionPolicy.AllowAllByDefault) {
    defaultState = SecurityPermissionState.Deny;

xaf-how-to-change-connection-to-the-database-at-runtime/CS/XPO/NET_Framework/RuntimeDbChooser.Module/DatabaseUpdate/Updater.cs#L91

defaultRole.PermissionPolicy = SecurityPermissionPolicy.AllowAllByDefault;
defaultRole.AddNavigationPermission("Application/NavigationItems/Items/Default/Items/PermissionPolicyRole_ListView", SecurityPermissionState.Deny);

VB.NET

How-To-Set-Permissions-States-Automatically/VB/SecuritySetState.Module/Controllers/SetStateController.vb#L25

Dim defaultState As SecurityPermissionState = SecurityPermissionState.Allow
If typePermission.Role.PermissionPolicy = SecurityPermissionPolicy.AllowAllByDefault Then
    defaultState = SecurityPermissionState.Deny

Implements

PermissionPolicy