Master programming syntax, solve interactive challenges & run live code in Syntaxis Explore Arena →
menu_book Course Curriculum (Classic ASP) expand_more
Classic ASP / Request Object

Input validation

Learn Input validation in Classic ASP with a dedicated explanation, topic-specific example, edge guidance, and mastery check.

12 min read • Beginner
classic-asp-020.asp
asp
<% Dim qty : qty=Request.Form("qty") : If Not IsNumeric(qty) Or CInt(qty)<1 Then Response.Status="400 Bad Request":Response.End %>
What to watch
Content source & attribution
Original Syntaxis Content · Original Syntaxis Content