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25 Jan

The exception instance, even though it's actually MY code that caused it, can't ever be caught afterwards.There's no way for me to handle it other than wrapping my validation code in a try/catch block that catches everything.2) Detach the event hander before the unwanted event triggers and re-attach after. so when i click the add button the cell validating event triggers i have posted the cell validating event do you know how to solve this thanxxx code!!!Something there is causing the cell validating event to fire. [Edit] The validating event is firing because focus is being moved from the DGV to the button.Hi there, I have a question regarding datagridview, I add data to the datagridview in an interface and all the validation for the datagridview cell is in the datagridview cell validating event for the datagridview.I display the data of the is datagridview in another interface and make the cells read-only. But the thing is when I click on a row that data was added previously and press the Add new row the cell validating event is triggered.I need a method of stopping the user from leaving a row if there is invalid data in it (e.g., a field that cannot be null is). For Data Grid View, it has a Cell Validating and Row Validating events, these 2 event handlers take Data Grid View Cell Validating Event Args/Data Grid View Cell Cancel Event Args type paramters. We can set Cancel property to true to prohibit the user from selecting another row. Hope this helps Best regards, Jeffrey Tan Microsoft Online Partner Support Get Secure!

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thankxxxxxx There are two ways to manage unwanted execution of event handlers.1) Add a conditional statement in the event handler code to only execute when required.2) Detach the event hander before the unwanted event triggers and re-attach after.Please join our friendly community by clicking the button below - it only takes a few seconds and is totally free.You'll be able to ask any tech support questions, or chat with the community and help others.