protected void Page_Load(object sender, EventArgs e)
    {
        btnFilter.Click += btnFilter_Click;
        btnReset.Click += btnReset_Click;

        var currentUserField = new SpecialField();
        currentUserField.Text = GetString("staging.currentUser");
        currentUserField.Value = CMSActionContext.CurrentUser.UserID.ToString();
        userSelector.UniSelector.SpecialFields.Add(currentUserField);

        stagingTaskGroupSelector.ObjectType = TaskGroupInfo.OBJECT_TYPE;

        if (!TaskGroupSelectorEnabled)
        {
            stagingTaskGroupPanel.Visible = false;
            stagingTaskGroupSelector.StopProcessing = true;
        }
    }