protected void btnUpload_Click( object sender, EventArgs e )
{
if (FileUpload1.PostedFile.InputStream.Length < 1)
{
Msg.Text = "请选择文件。";
return;
}
string FileName = FileUpload1.FileName;
if (FileName.ToLower().IndexOf(".txt") == -1)
{
Msg.Text = "请选择文本文件。";
return;
}int FileLen = FileUpload1.PostedFile.ContentLength;
byte[] input = new byte[FileLen];
System.IO.Stream UpLoadStream = FileUpload1.PostedFile.InputStream;
UpLoadStream.Read(input, 0, FileLen);
UpLoadStream.Position = 0;
System.IO.StreamReader sr = new System.IO.StreamReader(UpLoadStream, System.Text.Encoding.Default);
Msg.Text = "您上传的文件内容是：<br/><br/>" + sr.ReadToEnd();
sr.Close();
UpLoadStream.Close();
UpLoadStream = null;
sr = null;
}
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