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Empty progress without dates


I have a simple Gantt chart. Tasks don't have dates. "task 1.1.1" has the progress, but the progress isn't propagated to the parents.

But when the "task 1.1.1" has dates, then the progress is propagated to the parents.

Could you propagate the progress also when the tasks don't have dates?

Best regards,
Tomasz Tomczykiewicz

1 Reply

GA Gurunathan A Syncfusion Team September 24, 2019 01:54 PM UTC

Hi Tomasz, 
In Gantt, we are calculated parent progress based on MS Project behavior. Progress of parent task was calculated based on all scheduled child task’s progress and duration value. In Gantt, scheduled tasks are task which has value for start date and end date or start date and duration or end date and duration. Parent task progress was calculated as sum of all scheduled task’s progress divided by sum of all scheduled tasks duration value. 
We checked the reported scenario in Gantt sample, for parent task progress value was shown as zero. We thought that you are done some customization on progress cells, due to zero value progress some of your condition fails to render the zero value in cell, so the cell has rendered as empty. 
We can calculate the custom value for each cells of specific column by using column.valueAccessor property. We have prepared a sample and calculated parent progress only based on child records progress value. 
Please find the sample from below location. 

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