ASP.NET implements the pop-up window in JavaScript, always homage, function showdialog (URL) {var iWidth = 600; // Modal window width var Iheight = 500; // Modal window height var = (window.screen.Height-Iheight ) / 2; var ileft = (window.screen.width-iWidth) / 2; Window.Open (URL, "Detail", "scrollbars = yes, toolbar = no, location = no, direction = no, resizeable = no, Width = " iWidth ", Height = " Iheight ", TOP = " ITOP ", LEFT = " Ileft)}