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ThingsworxIn Grid widget i want to edit the cell and save that edited value how to do?
https://support.ptc.com/help/thingworx/platform/r10.1/en/#page/ThingWorx/Help/Mashup_Builder/Widgets/Grid_EditingCellData.html
You will need a service to store the data, and bind the save event to that service.
https://support.ptc.com/help/thingworx/platform/r10.1/en/#page/ThingWorx/Help/Mashup_Builder/DataServicesandLinking/ExecutingServicesInAMashup.html