I used to introduce a web page dynamic generating picture method, found that this method is not good in practice, the application for stand-alone version is OK, but if the user requests for the C / S mode, each user request must regenerate a picture , Read and write a disk.
I have seen the method introduced in the latest cultivation I found that it is best to save the picture in the server's memory.
The following code can be done directly to display the pie chart.
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<% @ Page language = "c #" ContentType = "image / jpeg"%>
<% @ Import namespace = "system.drawing"%>
