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You can resize the RowHeight when the current cell as accept the change by using ‘CurrentCellAcceptedChanges’ event. The following code explains the same.
void grid_CurrentCellAcceptedChanges(object sender, CancelEventArgs e)
Hope this will be helpful for your references.http://help.syncfusion.com/ug_94/User%20Interface/Windows%20Forms/Grid/Documents/414148resizetofit.htm
Please refer to the following sample which illustrates the same
9/22/2018 8:15:39 AM