Option call put graphique
You're creating it here only to make it easier to test caching. Note that the style of a chart does not indicate option call put graphique type of chart. The exact time you'd cache a chart would depend on how often you thought the data it represents might change. In this case, because you didn't specify a chart type, the Chart helper renders its default chart, which is a column chart.
The key contains the value "myChartKey". Note that you must make sure that your web application has permission to save a file to the folder on the server where you want to put the image file. In many cases, though, you want to display a chart as part of a page, not just by itself in the browser. The chart is rendered using the Write method, as you've seen before. Even if the chart doesn't involve a lot of data, the process of dynamically creating an image takes up server resources, and if many people request the page or pages that display the chart, option call put graphique can be an option call put graphique on the performance of your website.
Even if the chart doesn't involve a lot of data, the process of dynamically creating an image takes up server resources, and if many people request the page or pages that display the chart, there can be an impact on the performance of your website. Note that the style of a chart does not indicate the type of chart. Option call put graphique method takes two parameters: You need the ClearCache.
After you've created a chart, you can cache it. As noted earlier, you don't normally have to have a page like this. These are the ASP. The Write method actually renders the chart. The AddSeries method lets you set the option call put graphique and yValues parameters.
In the examples you've seen so far, you create a chart and then the chart is rendered directly to the browser as a graphic. To help you reduce the potential performance impact of creating a chart, you can create a chart the first time you need it and then save it. Charts saved to the cache might be removed if the server runs low on memory. The data you display in a chart can be from an array, from option call put graphique results returned from a database, or from data option call put graphique in an XML file.