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ASP Loops

Repeat over known values without losing the stopping condition.

How it works

For...Next suits a counted range. For Each walks the items of a collection or array. Do...Loop suits a condition checked during traversal, such as a recordset reaching EOF. Every loop needs a clear bound or progress step. This small counted loop labels three workshop sessions.

Use the separate Windows lab

This is a legacy-maintenance course. Classic ASP uses IIS and VBScript; ASP.NET Web Pages uses .NET Framework and Razor. Neither runs in PHP, Apache or Bhylu’s browser playground. The reviewed baseline is 32-bit IIS Express 10.0.2001, .NET Framework 4.8, Web Pages / Razor 3.2.9 and the Windows VBScript engine. ADO database examples use the actual 32-bit Jet OLE DB 4.0 provider, not SQL Server or XAMPP MySQL.

Download download-lab.mjs into a separate empty learning folder. Run node download-lab.mjs to fetch hash-checked source files into a new bhylu-asp-lab folder, then cd bhylu-asp-lab and node run-lab.mjs --start. Before deployment, local preview uses node download-lab.mjs http://127.0.0.1:8000/examples/asp/. The source downloader refuses an existing destination. Review its source before running it.

The foreground launcher needs your own 32-bit IIS Express installation with Classic ASP, .NET Framework 4.8 and the VBScript engine available. It downloads the three pinned Web Pages packages from NuGet into its private cache, binds only localhost on port 8142 and stops when you press Ctrl+C. Keep its console open. Visit http://localhost:8142/loops.asp. It does not install IIS, enable Windows features, change Apache/PHP/MySQL, or publish any files. See the bundled README.txt for manual setup and test boundaries.

Each complete Classic ASP source requires the supplied Global.asa acknowledgement; Web Pages uses _PageStart.cshtml. Database and file examples create owned temporary files only under this private lab’s blocked App_Data folder. Sources are public text downloads; do not upload them as executable teaching endpoints on Bhylu.

Download loops.asp

Example

loops.asp

<%@ Language="VBScript" CodePage="65001" %>
<% Option Explicit
Response.Buffer = True
Response.ContentType = "text/plain"
Response.Charset = "utf-8"
If Application("BhyluLab") <> "YES" Then
    Response.Status = "403 Forbidden"
    Response.Write "Use the separate Bhylu learning lab."
    Response.End
End If
Dim n, result
result = ""
For n = 1 To 3
    If n > 1 Then result = result & ", "
    result = result & "Session " & n
Next
Response.Write result
%>
Focus on the lesson operations

This excerpt omits shared lab setup. Use the complete download and supporting files to run it.

Lesson excerpt

Dim n, result
result = ""
For n = 1 To 3
    If n > 1 Then result = result & ", "
    result = result & "Session " & n
Next
Response.Write result

Expected result

Session 1, Session 2, Session 3

The separator is added only after the first item. This avoids a trailing comma and keeps the output easy to compare. n advances automatically in a For loop; do not also increment it inside the body.

Primary references

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