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EnableToggle combined with allowing the user to select multiple rows causes frequent crashes

Hello Syncfusion team,

I am experiencing a bug that occurs when I try using the "AddRecordAsync" function and the "DeleteRecordAsync" function when I have "EnableToggle" and Multiple row selection enabled. 

I will start with an empty Gantt Chart and do the following operations: I add two tasks using the "AddRecordAsync" method, then I delete these two tasks using "DeleteRecordAsync". Then, I add two tasks using the "AddRecordAsync" method once again. I get the following error message:

EnableToggleImage1.png

 What seems to be occuring is that the Gantt chart is trying to select a task that no longer exists in the task collection, which causes this error to occur. Specifically, it is trying to select the most recently added task (which was the seccond task we tried adding with ID 2). This only occurs when you have both "EnableToggle" and Multiple selection enabled.


Can you please look into this? This one fix would help tremendously, thank you!