PlaceHolder控件的问题?
HtmlButton btnClick = new HtmlButton();
btnClick.InnerText = "Button 1";
PlaceHolder1.Controls.Add(btnClick);
btnClick = new HtmlButton();
btnClick.InnerText = "Button 2";
PlaceHolder1.Controls.Add(btnClick);
btnClick = new HtmlButton();
btnClick.InnerText = "Button 3";
PlaceHolder1.Controls.Add(btnClick);
这段代码是用PlaceHolder动态添加控件用的,我想每添加2个就换行,不知道怎么换行,?