In order to use manual start and finish dates within your chart, you need to enable Manual Scheduling and select the (date or date/time) fields that will store the manually set start, finish and/or milestone dates. If these fields already contain date values, Structure.Gantt will use these values to place tasks appropriately within the chart.
Once Manual Scheduling is enabled, you can adjust Start, Finish and Milestone dates directly from your Gantt chart.
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