Why the form refuse access?
I want to upload file ,but not use <input id='upfile' type='file'>.I use a button to fire the upfile control's click event.But when I submit form. The error infomation is "The form refuse access".Why? Who give me a correct solution with javascript ?
//script is
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm2</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
<script language="javascript">
function clkHandler(){
document.all.upFile.click();
document.Form1.submit(); //error is here
}
</script>
</HEAD>
<body MS_POSITIONING="GridLayout" >
<form id="Form2" method="post" runat="server" enctype="multipart/form-data">
<INPUT id="btn1" onclick="clkHandler();" type="button" value="Button1">
<INPUT id="upFile" type="file">
</form>
</body>
</HTML>
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