Requested scope CLIENT has not been enabled

最新推荐文章于 2024-08-30 09:24:48 发布

原创最新推荐文章于 2024-08-30 09:24:48 发布 · 918 阅读

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#search #variables #integer #database #button #action

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本文介绍了解决ColdFusion中出现的客户端变量错误的方法。通过在application.cfc文件中启用客户端管理或调整ColdFusion管理器中的设置，可以避免Requested scope CLIENT has not been enabled的错误。

when I do some Practice about the client variables, have meet this error

Requested scope CLIENT has not been enabled

searchForm.cfm

you can solve this mistake by do this

put this code in your application.cfc file

also you can do the following:(this is another method)

check your settings in CF Admin -> Server Settings -> Client Variables

<!---

Filename: SearchForm2.cfm
Created by: Nate Weiss (NMW)
Please Note Maintains ÒlastÓ search via Client variables
--->

<cfif isDefined("FORM.searchCriteria")>
<cfset CLIENT.lastSearch = FORM.searchCriteria>
<cfset CLIENT.lastMaxRows = FORM.searchMaxRows>

<cfelseif isDefined("CLIENT.lastSearch") and
isDefined("CLIENT.lastMaxRows")>
<cfset searchCriteria = CLIENT.lastSearch>
<cfset searchMaxRows = CLIENT.lastMaxRows>

<cfelse>
<cfset searchCriteria = "">
<cfset searchMaxRows = 10>
</cfif>

<html>
<head><title>Search Orange Whip</title></head>
<body>

<h2>Search Orange Whip</h2>

<cfform action="#cgi.script_name#" method="post">

Search For:
<cfinput name="SearchCriteria" value="#searchCriteria#"
required="Yes"
message="You must type something to search for!">

<input type="Submit" value="Search"><br>

<i>show up to
<cfinput name="SearchMaxRows" value="#searchMaxRows#" size="2"
required="Yes" validate="integer" range="1,500"
message="Provide a number from 1-500 for search maximum.">
matches</i><br>
</cfform>

<cfif searchCriteria neq "">

<cfquery name="getMatches" datasource="ows">
SELECT FilmID, MovieTitle, Summary
FROM Films
WHERE MovieTitle LIKE '%#SearchCriteria#%'
OR Summary LIKE '%#SearchCriteria#%'
ORDER BY MovieTitle
</cfquery>

<cfoutput>
<hr><i>#getMatches.recordCount# records found for
"#searchCriteria#"</i><br>
</cfoutput>

<cfoutput query="getMatches" maxrows="#searchMaxRows#">
<p><b>#MovieTitle#</b><br>
#Summary#<br>
</cfoutput>
</cfif>

</body>
</html>