If I then ckeck the second checbox (cell_2), it gives me the error message but does not return the second checkbox I checked to its unchecked state. Any help appreciated, Bob Bart, I adapted your code to my datagridview, works like a charm. Data Property Name = "Cell_2") Then other Check = CBool(Datagrid1("Cell_1", e. Cancel = True End If End Sub HTH, Greetings End If End Sub Say I checked just one checkbox Cell_1 to start, the code allows the change to be made. I press the sacep key after the e,cancel and the message and I get the same problem. Private Sub Datagrid1_Cell Validating(By Val sender As Object, By Val e As System. Private Sub Datagrid1_Cell Validating(By Val sender As Object, By Val e As System. When I reopen it I can see that the chages were not comitted to the database, which is fine.
I noticed that when I click on the checkbox to uncheck it after the e.cancel executed, that click does not change its value, I can both see in the UI that the value did not change before the cellvalidating event is called and in the cellvalidating event itself, when I set a breakpoint after the line that checks and verify the value of CBool(Datagrid1("Cell_2", e. I'm going to revisit the sample mdb that I sent to the newsgroup, I still wonder why that did not work. Greetings otherwise the event does a validation on other types of fields and returns errors, but that was easy. Bob "Bob" Once I'm in this process after the error text has been set, evn my close button, that has just a Me.close() in it does not work. Value" for both Check Box, only for the non-editing Check Box, for the the editing Check Box you need to use e. (Note, Formatted Value is either a Boolean (Three State=false) or a Check State (Three State=true). Data Grid View Cell Validating Eve nt Args) Handles Datagrid1.