ASP.Net下载大文件的实现方法

                        dataToRead = dataToRead - length;
                    }
                    else
                    {
                        // Prevent infinite loop if user disconnects
                        dataToRead = -1;
                    }
                }
            }
            catch (Exception ex)
            {
                // Trap the error, if any.
                Response.Write("Error : " + ex.Message);
            }
            finally
            {
                if (iStream != null)
                {
                    //Close the file.
                    iStream.Close();
                }

                Response.End();
            }
        }
    }
}

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