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Replace String Functions by Charles
Carroll
The various string functions can be used
interchangeably often. We will write the same script using SPLIT, REPLACE and JOIN to
demonstrate all 3 functions and how they often are used for similar tasks. However, your
programming situations may be especially suited for 1 out of 3 of the functions.
REPLACE(string,oldvalue,newvalue)
results in a string that has all occurences of oldvalue replaced with a
newvalue.
The user can enter a state or multiple states. We write the program
utilizing REPLACE to demonstrate how this function can be used.
statereplace.asp
filename=/learn/test/statereplace.asp
<html><head>
<title>statereplace.asp</title>
</head><body bgcolor="#FFFFFF">
<form action="statereplacerespond.asp" method="post">
Enter State (or many states separated by <b>,<b><p>
<input NAME="states" size="40"><p>
<input type="submit" value="Get The Publishers!">
</form>
</body></html>
statereplacerespond.asp
filename=/learn/test/statereplacerespond.asp
<!--#include virtual="/learn/test/lib_dbtable.asp"-->
<html><head>
<title>statesrespond.asp</title></head>
<body>
<%
mySQL="select * from publishers " & whereclause
myDSN="DSN=student;uid=student;pwd=magic"
tempinput=request("states")
whereclause=" where state='" & tempinput
whereclause=replace(whereclause, ",","' OR state='")
whereclause=whereclause & "'"
mySQL=mySQL & whereclause
response.write mySQL
Call Query2Table(mySQL,myDSN)
%>
</body></html>
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