ASP.NET MVC Interface Controls - Textbox - Auto Complete

Use the AutoCompleteType property to enable / disable the auto complete feature for the textbox.
If this feature is enabled, the browser will make suggestions of previously entered texts, when you start to type in the textbox.
Html.Obout(new OboutTextBox("txt1") 
    Width = 200,
    AutoCompleteType = AutoCompleteType.None