Joe Walker

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Follow along and implement the real-time streaming AJAX system in Figure 1 using two different AJAX toolkits and the OpenAjax Hub. Requirements The requirements for this solution are straightforward. For this application we need a ready-made data grid control that will display changes in prices to stocks when those changes occur. A nice-to-have would be visual indicators in the GUI that show when a cell value in the grid is increasing or decreasing...and, of course, we want to deploy this to just a standard Web browser, so we also must do this without any reliance on plug-ins, applets, or Active-X controls. (Thanks goodness this is an AJAX article!) Figure 1 shows the basic design that could be styled more at a later date. In addition we'll want to add more AJAX controls to this page that can tap the same streaming stock data for other calculations and visuals, such ... (more)