This must-have resource features visually rich, step-by-step instructions that show you how to get the most enjoyment from your Windows 8 tablet. Learn about the exciting new Metro UI, optimized specifically for touch devices. The most popular and commonly used apps and functions are covered too, along with the basics of syncing with a network, setting up e-mail, watching videos, listening to music, and common productivity tasks. This book provides all the guidance needed to enjoy all the best the new Windows 8 tablets have to offer.

Includes information on Microsoft's Windows 8 and the new Metro UI in a clear and easy-to-navigate visual manner
Contains over 125 Windows tablet tasks, illustrated with full-color screenshots
Offers clear, step-by-step instructions
Consistent placement of information makes learning fast and efficient

Teach Yourself VISUALLY Windows 8 Tablet offers concise, step-by-step instruction that's perfect for visual learners.

Error Occurred While Processing Request The web site you are accessing has experienced an unexpected error.
Please contact the website administrator.

The following information is meant for the website developer for debugging purposes.

Error Occurred While Processing Request

The value '' cannot be converted to a number.

The error occurred in D:/wwwroot/traintestcert/estore/training_product.cfm: line 222

220 : 	<cfprocparam  type="In"  cfsqltype="CF_SQL_CHAR" value="A">	
221 : </cfstoredproc>
222 : <cfset cart_total = buytotalamount + GetECommerceMatrix.selling_price>
223 : <cfoutput>
224 : <script type="text/javascript">

Resources:

Check the ColdFusion documentation to verify that you are using the correct syntax.
Search the Knowledge Base to find a solution to your problem.

Browser	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Remote Address	10.0.130.138
Referrer	http://www.traintestcert.com/estore/training_product.cfm/PUBS/WILEY/9781118374856/564502886/128.html
Date/Time	20-Apr-24 02:36 AM

Stack Trace

at cftraining_product2ecfm329136785.runPage(D:/wwwroot/traintestcert/estore/training_product.cfm:222)

coldfusion.runtime.Cast$NumberConversionException: The value '' cannot be converted to a number.
	at coldfusion.runtime.Cast._double(Cast.java:825)
	at coldfusion.runtime.Cast._double(Cast.java:803)
	at coldfusion.runtime.Cast._double(Cast.java:1110)
	at coldfusion.runtime.Cast._double(Cast.java:1100)
	at cftraining_product2ecfm329136785.runPage(D:\wwwroot\traintestcert\estore\training_product.cfm:222)
	at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:262)
	at coldfusion.tagext.lang.IncludeTag.handlePageInvoke(IncludeTag.java:735)
	at coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:565)
	at coldfusion.filter.CfincludeFilter.invoke(CfincludeFilter.java:65)
	at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:595)
	at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:43)
	at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40)
	at coldfusion.filter.PathFilter.invoke(PathFilter.java:162)
	at coldfusion.filter.IpFilter.invoke(IpFilter.java:45)
	at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:96)
	at coldfusion.filter.BrowserDebugFilter.invoke(BrowserDebugFilter.java:78)
	at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28)
	at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38)
	at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:60)
	at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38)
	at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)
	at coldfusion.filter.CachingFilter.invoke(CachingFilter.java:62)
	at coldfusion.CfmServlet.service(CfmServlet.java:226)
	at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:311)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
	at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:46)
	at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:47)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:377)
	at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:463)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:889)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.base/java.lang.Thread.run(Thread.java:834)