Ask a question about using WebBrowser to print_html/css

Ask a question about using WebBrowser to print_html/css_WEB-ITnose

WBOY

Release： 2016-06-24 12:08:15

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Using WebBrowser printing related, it was set that only a part of the page needs to be printed, so the style attribute media="print" was added. However, the table can be seen on the page, but the table cannot be seen in the print preview or printout. The code is as follows

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head>    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    <title>测试</title>    <style type="text/css">        .ttd        {            background-color: White;            width: 120px;            height: 50px;        }        .ttab        {            border: 0;            width: 100%;            cellpadding: 0;            cellspacing: 1;            background-color: #000000;        }    </style>    <style type="text/css" media="print">        .ttd        {            background-color: White;            width: 120px;            height: 50px;        }        .ttab        {            border: 0;            width: 100%;            cellpadding: 0;            cellspacing: 1;            background-color: #000000;        }        .noprint        {            display: none;        }    </style>    <script language="javascript">        function printsetup() {            //  打印页面设置            wb.execwb(8, 1);        }        function printpreview() {            //  打印页面预览            wb.execwb(7, 1);        }        function printit() {            if (confirm('确定打印吗？')) {                wb.ExecWB(6, 1)                //wb.execwb(1,1)//打开                //wb.ExecWB(2,1);//关闭现在所有的IE窗口，并打开一个新窗口                //wb.ExecWB(4,1)//;保存网页                //wb.ExecWB(6,1)//打印                //wb.ExecWB(7,1)//打印预览                //wb.ExecWB(8,1)//打印页面设置                //wb.ExecWB(10,1)//查看页面属性                //wb.ExecWB(15,1)//好像是撤销，有待确认                //wb.ExecWB(17,1)//全选                //wb.ExecWB(22,1)//刷新                //wb.ExecWB(45,1)//关闭窗体无提示            }        }    </script></head><body>    <div style="width: 640px; height: 20px; margin: 100px auto 0 auto; font-size: 12px;        text-align: right;">        <input value="打印" type="button" onclick="printit()" />        <object classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2" height="0" id="wb" name="wb"            width="0">        </object>        <input type="button" name="button_print" style="display: none;" value="打印本单据" onclick="javascript:printit()">        <input type="button" name="button_setup" value="打印页面设置" onclick="javascript:printsetup();">        <input type="button" name="button_show" value="打印预览" onclick="javascript:printpreview();">        <input type="button" name="button_fh" value="关闭" onclick="javascript:window.close();">    </div>    <div style="width: 640px; height: 624px; margin: 20px auto;">        <table class="ttab">            <tr>                <td class="ttd">                    型号：10010                </td>                <td class="ttd">                    <asp:label runat="server" id="lblModel"></asp:label>                </td>                <td class="ttd">                    长度：100cm                </td>                <td class="ttd">                    <asp:label runat="server" id="lblLength"></asp:label>                </td>                <td class="ttd">                    额定电压：2200KV                </td>                <td class="ttd">                    <asp:label runat="server" id="lblRatedVol"></asp:label>                </td>                <td class="ttd">                    出厂日期：2010-12-30                </td>                <td class="ttd">                    <asp:label runat="server" id="lblDlvDate"></asp:label>                </td>            </tr>        </table>        <p class="noprint">            此区域打印不显示</p>        <table>        </table>    </div></body></html>

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