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function CheckSelectedFile()
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{
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var inputs = document.getElementsByTagName("INPUT");
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var isHaveChecked = false;
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for(var i = 0;i< inputs.length;i++)
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{
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if( inputs[i].type == "checkbox" )
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{
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// do something here to input[i];
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if (inputs[i].checked)
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{
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isHaveChecked = true;
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break;
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}
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}
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}
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if (isHaveChecked == false)
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{
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var labelCheckMessage = document.getElementById('<%=LabelCheckMessage.ClientID%>');
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labelCheckMessage.innerText = "Please select one file that you want to request at lease.";
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return false;
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}
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else
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{
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return true;
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}
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}
其他类似参考文章:http://www.codeproject.com/KB/grid/GridCheckBox.aspx![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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