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iQA Trend Analysis



Datapoint: 
Machine: 
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Start Date
<January 2021>
SunMonTueWedThuFriSat
272829303112
3456789
10111213141516
17181920212223
24252627282930
31123456
End Date
<January 2022>
SunMonTueWedThuFriSat
2627282930311
2345678
9101112131415
16171819202122
23242526272829
303112345

System.Data.StrongTypingException: The value for column 'NumData' in table 'DataEvents' is DBNull. ---> System.InvalidCastException: Specified cast is not valid. at iQAserver.iQA.DataEventsRow.get_NumData() --- End of inner exception stack trace --- at iQAserver.iQA.DataEventsRow.get_NumData() at iQAserver.Trends.ZedGraphWeb1_RenderGraph(ZedGraphWeb webObject, Graphics g, MasterPane pane) at ZedGraph.Web.ZedGraphWeb.OnDrawPane(Graphics g, MasterPane mp) at ZedGraph.Web.ZedGraphWeb.CreateGraph(Stream OutputStream, ImageFormat Format, Boolean bShowTransparency) at ZedGraph.Web.ZedGraphWeb.Render(HtmlTextWriter output)