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V25.1
  • .NET 8.0+
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    BaseObject.SetPropertyValueWithSecurityBypass<T>(String, T) Method

    Sets the object’s property value bypassing security checks.

    Namespace: DevExpress.Persistent.BaseImpl.EF

    Assembly: DevExpress.Persistent.BaseImpl.EFCore.v25.1.dll

    NuGet Package: DevExpress.Persistent.BaseImpl.EFCore

    Declaration

    protected void SetPropertyValueWithSecurityBypass<T>(
        string propertyName,
        T value
    )

    Parameters

    Name Type Description
    propertyName String

    The name of the property to set.

    value T

    The value to assign to the property.

    Type Parameters

    Name Description
    T

    The type of the value assigned to the property.

    Remarks

    The SetPropertyValueWithSecurityBypass method allows you to modify the value of a business object’s property even if write access to this property is denied for the current user by the XAF Security System. If your business object is not an BaseObject descendant, use the static SecuredPropertySetter.SetPropertyValueWithSecurityBypass method instead.

    In applications with middle-tier security, you can call this method only from a business object’s IXafEntityObject.OnSaving method, otherwise an exception is thrown.

    Note

    In applications with middle-tier security, an object’s OnSaving method is only called on the middle-tier server side. From this method, you can call SetPropertyValueWithSecurityBypass to set values of business object properties even if the client application has no access rights for these properties. Thus, you can use this method to securely initialize properties with sensitive data (it is also important that you define access rules to additionally restrict access to these properties for application users).

    The following code snippet demonstrates how to use this method to initialize CreatedBy, UpdatedBy, and UpdatedOn properties of a business class.

    using DevExpress.ExpressApp;
    using DevExpress.ExpressApp.EFCore;
    using DevExpress.Persistent.Base;
    using System.ComponentModel;
    using System.ComponentModel.DataAnnotations;
    // ...
    public class TestClass : BaseObject {
        [ModelDefault(nameof(IModelCommonMemberViewItem.AllowEdit), "False")]
        public virtual ApplicationUser CreatedBy { get; set; }
        [ModelDefault(nameof(IModelCommonMemberViewItem.AllowEdit), "False")]
        public virtual ApplicationUser UpdatedBy { get; set; }
        [ModelDefault(nameof(IModelCommonMemberViewItem.AllowEdit), "False")]
        [ModelDefault(nameof(IModelCommonMemberViewItem.DisplayFormat), "G")]
        public virtual DateTime? UpdatedOn { get; set; }
    
        ApplicationUser GetCurrentUser() {
            return ObjectSpace.GetObjectByKey<ApplicationUser>(
                ObjectSpace.ServiceProvider.GetRequiredService<ISecurityStrategyBase>().UserId);
        }
    
        public override void OnSaving() {
            base.OnSaving();
            if (ObjectSpace.IsNewObject(this)) {
                SetPropertyValueWithSecurityBypass(nameof(CreatedBy), GetCurrentUser());
            }
            else {
                SetPropertyValueWithSecurityBypass(nameof(UpdatedBy), GetCurrentUser());
                SetPropertyValueWithSecurityBypass(nameof(UpdatedOn), DateTime.Now);
            }
        }
    } 
    
    See Also