iframe自适应高度或自增
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function getheight() { var Sys = {}; var ua = navigator.userAgent.toLowerCase(); if (window.ActiveXObject) Sys.ie = ua.match(/msie ([\d.]+)/)[1] else if (document.getBoxObjectFor) Sys.firefox = ua.match(/firefox\/([\d.]+)/)[1] if (Sys.ie) { document.getElementById("iframeHtml").height = iframeHtml.document.body.scrollHeight;//IE下// document.getElementById("iframe1").height ="500px"; } if (Sys.firefox) { document.getElementById("iframeHtml").height = iframeHtml.document.documentElement.scrollHeight + 50;//火狐下 }}aspx.cs部分代码:<iframe id=\"iframeHtml\" src=\"../../../tohtml/GuestListIframe.aspx?" + strUrl[1] + "\" runat=\"server\" name=\"iframeHtml\" frameborder=\"0\" width=\"100%\" onload=\"getheight();\" marginwidth=\"0\" scrolling=\"no\" marginheight=\"0\"></iframe>