How to write and open an Excel file in browser using Response stream

// Create an instance of the class that creates Excel files
ExcelDocument workbook = new ExcelDocument();
    
...

// Choose a name for the Excel file
string shortFileName = "Excel.xls"; 

// Prepare Response stream
Response.AppendHeader("content-disposition", 
        "attachment; filename=" + shortFileName); 
Response.ContentType = "application/octetstream";
Response.Clear(); 

// Write Excel file and prompt the "Open or Save Dialog Box"
workbook.easy_WriteXLSFile(Response.OutputStream); 

// Dispose memory
workbook.Dispose();
Response.End() 

' Create an instance of the class that creates Excel files
Dim workbook As New ExcelDocument 

...

' Choose a name for the Excel file
Dim shortFileName As String = "Excel.xls"

' Prepare Response stream
Response.AppendHeader("content-disposition", _
        "attachment; filename=" + shortFileName) 
Response.ContentType = "application/octetstream" 
Response.Clear() 

' Write Excel file and prompt the "Open or Save Dialog Box"
workbook.easy_WriteXLSFile(Response.OutputStream) 

' Dispose memory
workbook.Dispose() 
Response.End()

' Create an instance of the class that creates Excel files
set workbook = Server.CreateObject("EasyXLS.ExcelDocument")
...

' Write Excel file on hard-disk
workbook.easy_WriteXLSFile ("<AbsolutePath>/Excel.xls")

' Open the previously written Excel file
Dim strXlsFileName
strXlsFileName = Server.MapPath("<RelativePath>/Excel.xls")
Dim objFileSystem
Set objFileSystem = Server.CreateObject("Scripting.FileSystemObject")

If objFileSystem.FileExists(strXlsFileName) Then
	Dim objStream
	Set objStream = Server.CreateObject("ADODB.Stream")
	objStream.Open
	objStream.Type = 1 'Binary Type
	objStream.LoadFromFile strXlsFileName

	' Prepare Response stream
	Response.Clear 
	Response.ContentType = "application/octet-stream" 
	Response.AddHeader "Content-Disposition", _
	               "attachment; filename=" & strXlsFileName & "" 

	Response.BinaryWrite objStream.Read
	objStream.close
	Set objStream = Nothing

	Response.End
End If

<!-- Create an instance of the class that creates Excel files -->
<cfobject type="java" class="EasyXLS.ExcelDocument" name="workbook" action="CREATE">
...

<!-- Write Excel file on hard-disk -->
<cfset ret = workbook.easy_WriteXLSXFile("C:\Samples\Excel.xlsx")>

<!-- Open the previously written Excel file -->
<cfheader name="Content-Disposition" value="inline; filename=Excel.xlsx">
<cfcontent type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" 
        file="C:\Samples\Excel.xlsx">