<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
string strFileName;
string strFileExtension;
int intLastIndex;
if (Request.Files.Count == 1)
{
try
{
strFileName = myFile.PostedFile.FileName;
intLastIndex = strFileName.LastIndexOf("\\");
if (intLastIndex > 0)
{
intLastIndex += 1;
strFileName = strFileName.Substring(intLastIndex, (strFileName.Length - intLastIndex));
strFileExtension = strFileName.Substring(strFileName.Length - 4, 4);
if (strFileExtension == ".txt")
{
myFile.PostedFile.SaveAs(Server.MapPath(".") + "\\" + strFileName);
lblMsg.Text = strFileName + " Uploaded Sucessfully!";
}
else
{
lblMsg.Text = "Only Text File (.txt) can be uploaded.";
}
}
else
{
lblMsg.Text = "Please Select a File!";
}
}
catch (Exception exc)
{
lblMsg.Text = exc.Message;
}
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<script type="text/javascript">
function SubmitForm()
{
document.form1.submit ();
}
</script>
<title>Upload</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<input type="file" runat="server" id="myFile" name="myFile" style="visibility:hidden;" />
<input type="button" runat="server" id="btnSubmit" name="btnSubmit" onclick="javascript:SubmitForm();" style="visibility:hidden;" />
<br /><asp:Label ID="lblMsg" runat="server" ForeColor="red" Font-Size="Medium" Font-Bold="true"></asp:Label>
</div>
</form>
</body>
