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先生。有一些没有id的html按钮。我想访问这些具有相同类型名称和值的HTML按钮。但由于其相同的名称和价值,我无法访问。你可以plz指导我关于下面的是源代码给出访问由vb.net具有相同名称和值的html元素
<FORM NAME='f1' METHOD='post' action='dfassfeed21.php'><INPUT TYPE='hidden' NAME='txtid' value='E712050-15'><INPUT TYPE='hidden' NAME='txtpsw' value='HH29'><INPUT TYPE='hidden' NAME='txtassno' value='1'><INPUT TYPE='SUBMIT' NAME='btnSub' value='Start' style='background-color:#009900; color:#fff;'></FORM>
<FORM NAME='f1' METHOD='post' action='dfassfeed21.php'><INPUT TYPE='hidden' NAME='txtid' value='E712050-15'><INPUT TYPE='hidden' NAME='txtpsw' value='HH29'><INPUT TYPE='hidden' NAME='txtassno' value='2'><INPUT TYPE='SUBMIT' NAME='btnSub' value='Start' style='background-color:#009900; color:#fff;'></FORM>
<FORM NAME='f1' METHOD='post' action='dfassfeed21.php'><INPUT TYPE='hidden' NAME='txtid' value='E712050-15'><INPUT TYPE='hidden' NAME='txtpsw' value='HH29'><INPUT TYPE='hidden' NAME='txtassno' value='1'><INPUT TYPE='SUBMIT' NAME='btnSub' value='Start' style='background-color:#009900; color:#fff;'></FORM>
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<FORM NAME='f1' METHOD='post' action='dfassfeed21.php'><INPUT TYPE='hidden' NAME='txtid' value='E712050-15'><INPUT TYPE='hidden' NAME='txtpsw' value='HH29'><INPUT TYPE='hidden' NAME='txtassno' value='1'><INPUT TYPE='SUBMIT' NAME='btnSub' value='Start' style='background-color:#009900; color:#fff;'></FORM>
请注意,CSS3'第n-child'在IE8或以上不被支持 – compid