GridView显示水平滚动条

this.gridView.OptionsView.ColumnAutoWidth = false;
this.gridView.ScrollStyle = ScrollStyleFlags.LiveHorzScroll | ScrollStyleFlags.LiveVertScroll;
this.gridView.HorzScrollVisibility = ScrollVisibility.Always;

原文：http://www.cnblogs.com/Jian-Zhang/p/7459208.html