IE9的window.showmodaldialog显示问题

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <meta http-equiv="X-UA-Compatible" content="IE=8" />
    <title>a</title>
</head>
<frameset cols="200,*" id="PersonalContainer" framespacing="0" frameborder="0">
    <frame id="GisOverPrintSelectServerGdbCatalog" noresize scrolling="no" name="LeftFrame"  src="GisOverPrintSelectServerGdbTree.aspx">
    <frame id="GisOverPrintSelectServerGdbContent" noresize scrolling="no" name="RightFrame" src="GisOverPrintSelectServerGdbContent.aspx">
</frameset>
</html>
function overPrint14()
 {
             var returnValue=window.showModalDialog("GisOverPrintSelectServerGdb.aspx","ABOUT","dialog800px;dialogheight:600px;center:yes;status:no;scroll:no;help:no");
            if(returnValue!=null)
            {
                gmGisOcx1.ImportMapFile(returnValue);
                GetPropetry();
            }
}

问题描述：IE9的window.showmodaldialog弹出的页面不能设置大小，只有250*100大小(页面有frameset)

解决方案： <meta http-equiv="X-UA-Compatible" content="IE=8" />

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原文地址：https://www.cnblogs.com/yuking/p/3824721.html