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 In a datagridview (vs2005, VB.net) I have two columns that are checkboxes. Its not permissible to have the two selected to true, but they can both be false. Cancel = True End If 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. I need to check that only one of the two can be checked. I need to check that only one of the two can be checked. Its just that my UI does not respond correctly and I can't expect my users to get out of it that way. Bob "Bob" In a datagridview (vs2005, VB.net) I have two columns that are checkboxes. 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 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.
I wrote code in the cellvalidating event as follows.
When the user has finished editing the value in the cell, the new value will be written back into the model object (if possible). Postcode”) only the last property needs to be writable.
To get the modified value, the default processing tries to use the is dotted (e.g. If none of these three things happen, the user’s edit will be discarded.
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. The only way to close the form is to click on the form close cross in the upper right corner of the form.