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Simplest Multiple - Column sorting (Up & Down) in ASP

Submitted on: 1/6/2015 8:05:00 PM
By: Sine45 (from psc cd)  
Level: Intermediate
User Rating: By 4 Users
Compatibility: ASP (Active Server Pages), HTML, VbScript (browser/client side)
Views: 1333
     This is the simplest/fastest code that shows how to implement multiple-column sorting (Up & Down) in ASP. Excellent for ASP Database Begineers

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' Name: Simplest Multiple - Column sorting (Up & Down) in ASP
' Description:This is the simplest/fastest code that shows how to implement multiple-column sorting (Up & Down) in ASP.
Excellent for ASP Database Begineers
' By: Sine45 (from psc cd)

dim conn, connString
connString = "nwind"
Set conn = Server.CreateObject("ADODB.Connection")
conn.Open connstring 
dim rs, sql, url,fname,sort,lastsort,thissort
url = Request.ServerVariables("URL")
sql = "SELECT CompanyName, ContactName, Address, City, Phone From Customers"
sort = lcase(request("sort"))
lastsort = lcase(request("lastsort"))
if sort<>"" then
	if lastsort=sort then
		thissort = sort & " desc"
	elseif instr(lastsort,sort & " desc") then
		thissort = replace(lastsort,sort & " desc",sort)
	elseif instr(lastsort,sort) then
		thissort = replace(lastsort,sort,sort & " desc")
	elseif lastsort<>"" then
		thissort = lastsort & "," & sort
		thissort = sort
	end if
	sql = sql & " ORDER BY " & thissort
end if
Response.Write "<p><b><font color=blue>ORDER BY</font>:</b> " & thissort & "</p>"
Response.Write "<a href=""" & url & """>Reset Order</a>"
set rs = conn.Execute(SQL)
'print headers
Response.Write "<table border=1><tr>"
for i=0 to rs.fields.count - 1
	fname = rs.fields(i).name
	Response.Write "<th><a href=""" & url & "?sort="& fname &"&lastsort="& thissort & """>" & fname 
	if instr(thissort,lcase(fname & " desc")) then
		Response.Write " -"
	elseif instr(thissort,lcase(fname)) then
		Response.Write " +"	
	end if
	Response.Write "</th>"
Response.Write "</tr>"
'print recs
do while not rs.eof
	Response.Write "<tr>"
	for i=0 to rs.fields.count - 1
		Response.Write "<td>" & rs(i) & "</td>"
	Response.Write "</tr>"
Response.Write "</table>"
set rs = nothing
set conn = nothing

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