我正在进行图表项目，我应该将图表保存到各个图像文件中。
如果我做1到2个月的趋势数据是1分钟间隔，我没有遇到任何问题。但是，如果我将趋势扩展到3个月或更长时间，则在保存时会出现OverflowException。
我在任何一个月都没有任何问题，因为我可以单独或连续两次生成它们。
非常感谢任何建议。
异常跟踪如下：
at System.Decimal..ctor(Double value)
at System.Windows.Forms.DataVisualization.Charting.Axis.RoundedValues(Double inter, Boolean shouldStartFromZero, Boolean autoMax, Boolean autoMin, Double& min, Double& max)
at System.Windows.Forms.DataVisualization.Charting.Axis.EstimateNumberAxis(Double& minimumValue, Double& maximumValue, Boolean shouldStartFromZero, Int32 preferredNumberOfIntervals, Boolean autoMaximum, Boolean autoMinimum)
at System.Windows.Forms.DataVisualization.Charting.Axis.EstimateAxis(Double& minimumValue, Double& maximumValue, Boolean autoMaximum, Boolean autoMinimum)
at System.Windows.Forms.DataVisualization.Charting.Axis.EstimateAxis()
at System.Windows.Forms.DataVisualization.Charting.ChartArea.SetDefaultAxesValues()
at System.Windows.Forms.DataVisualization.Charting.ChartArea.SetData(Boolean initializeAxes, Boolean checkIndexedAligned)
at System.Windows.Forms.DataVisualization.Charting.ChartArea.ReCalcInternal()
at System.Windows.Forms.DataVisualization.Charting.ChartPicture.Paint(Graphics graph, Boolean paintTopLevelElementOnly)
at System.Windows.Forms.DataVisualization.Charting.ChartImage.GetImage(Single resolution)
at System.Windows.Forms.DataVisualization.Charting.Chart.SaveImage(Stream imageStream, ChartImageFormat format)
at System.Windows.Forms.DataVisualization.Charting.Chart.SaveImage(String imageFileName, ChartImageFormat format)