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Example
<!--- This example shows the use of CFUPDATE to change
records in a datasource. --->
<!--- if course_ID has been passed to this form, then
perform the update on that record in the datasource --->
<cfif IsDefined("form.Course_ID")>
<!--- check that course_id is numeric --->
<cfif Not IsNumeric(form.Course_ID)>
<cfabort>
</cfif>
<!--- Now, do the update --->
<cfupdate datasource="cfsnippets"
tablename="Courses"
formfields="Course_ID,Number,Descript">
</cfif>
<!--- Perform a query to reflect any updated information if Course_ID is passed
through a url, we are selecting a record to update ... select only that
record with the WHERE clause. --->
<cfquery name="GetCourseInfo" DATASOURCE="cfsnippets">
SELECT Course_Number, Course_ID, Descript
FROM Courses
<cfif IsDefined("url.Course_ID")>
WHERE Course_ID = #Trim(url.Course_ID)#
</cfif>
ORDER by Course_Number
</cfquery>
<html>
<head>
<title>CFUPDATE Example</title>
<cfset css_path = "../../css">
<cfinclude template="../../resource/include/mm_browsersniff.cfm">
</head>
<body>
<H3>CFUPDATE Example</H3>
<!--- If we are updating a record, don't show the entire list. --->
<cfif IsDefined("url.Course_ID")>
<form method="post" action="index.cfm">
<H3>You can alter the contents of this record, and then click "Update"
to use CFUPDATE and alter the database</H3>
<P>Course Number <INPUT TYPE="Text" name="Number"
value="<cfoutput>#Trim(GetCourseInfo.Course_Number)#</cfoutput>">
<P>Course Description<BR>
<textarea name="Descript" cols="40" rows="5">
<cfoutput>#Trim(GetCourseInfo.Descript)#</cfoutput>
</textarea><br>
<input type="Hidden" NAME="Course_ID"
value="<cfoutput>#Trim(GetCourseInfo.Course_ID)#</cfoutput>">
<p><input type="Submit" value="Click to Update">
</form>
<cfelse>
<!--- Show the entire record set in CFTABLE form --->
<cftable query="GetCourseInfo" htmltable colheaders>
<cfcol text="<a href='index.cfm?Course_ID=#Trim(Course_ID)#'>Edit Me</a>"
width=10 header="Edit<br>this Entry">
<cfcol text="#Trim(Course_Number)#" WIDTH="4" HEADER="Course Number">
<cfcol text="#Trim(Descript)#" WIDTH=100 HEADER="Course Description">
356
Chapter 2: ColdFusion Tags
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Table of Contents
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