Matthew Boles

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The Web Distributed Data Exchange (WDDX) is an XML-based technology that allows different Web technologies to exchange data. One function of WDDX is to send ColdFusion queries to JavaScript for use on the client. This article details how to use this functionality with HTML SELECT statements, and assumes you're familiar with ColdFusion and HTML forms but not with WDDX and JavaScript. WDDX, HTML forms, ColdFusion queries and JavaScript are combined to create a single page providing SELECT statements that are dynamically populated. In addition, one SELECT statement can be filled based on an earlier user selection on the same Web page. In essence, this makes queries that were traditionally available only on the server side now available on the client. ColdFusion and HTML forms can be used together to dynamically populate SELECT controls from a ColdFusion query. When a u... (more)