投票结果：
System.ApplicationException: Error while rendering the chart. ---> System.Runtime.InteropServices.ExternalException: A generic error occurred in GDI+. at System.Drawing.Image.Save(String filename, ImageCodecInfo encoder, EncoderParameters encoderParams) at System.Drawing.Image.Save(String filename, ImageFormat format) at WebChart.ChartEngine.SaveToFile(String filename, ImageFormat format) at WebChart.ChartControl.RedrawChart() --- End of inner exception stack trace --- at WebChart.ChartControl.RedrawChart() at WebChart.ChartControl.RedrawChart()
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