onEditCell issue


I have a grid with four columns which are editable. Once I edit the row values and click toolbar save button, values should be saved to database. I have written logic to collect row values and validate for event “onEditCell”. This event fires for all the columns when tab is clicked except the last one. Last column once edited and directly click on save button will not call validation function. Last column once edited and cliked tab works fine.Can any one give me idea of why this is happening.

Please, provide a sample of your code to reconstruct the issue