demoexplorer1.cshtml

@Html.TXTextControl().DocumentViewer(settings =>
{
    settings.DocumentData = Convert.ToBase64String(
      File.ReadAllBytes(Server.MapPath("~/App_Data/Documents/car_insurance.tx")));
    settings.DocumentPath = "MyDocument.tx";
    settings.Dock = DocumentViewerSettings.DockStyle.Fill;
    settings.IsSelectionActivated = true;
    settings.ShowThumbnailPane = true;
}).Render()