DetectEncoding

public bool DetectEncoding { get; set; }

LoadOptions loadOptions = new LoadOptions();
loadOptions.DetectEncoding = true; // تمكين اكتشاف التشفير

using (Viewer viewer = new Viewer("employees.csv", loadOptions))
{
    HtmlViewOptions viewOptions = 
        HtmlViewOptions.ForEmbeddedResources();

    viewer.View(viewOptions);
}