how to delete record from persisted store when user deletes row in Datagridview
I am currently using this:
Private Sub PersonDataGridView_UserDeletingRow(sender As Object, e As DataGridViewRowCancelEventArgs) Handles PersonDataGridView.UserDeletingRow
DBContext.Persons.Remove(e.Row.DataBoundItem)
End Sub
But this behaves strange: it sometimes deletes the right record, but then gives an error about index out of range (translated from Dutch: error in Datagridview: index out of range: ThrowArgumentOutOfRangeException) afterwards;
Example: I have 5 rows in the datagridview; I delete row 3 using the above code, then rows 3 and 4 are removed from the datagridview. This causes an error when trying to save the DBcontext on that second deleted row, because it has not been set to "deleted" in the context...
vb.net winforms
asked Nov 16 '18 at 9:58
intrixiusintrixius
5311613
add a comment |
I am currently using this:
Private Sub PersonDataGridView_UserDeletingRow(sender As Object, e As DataGridViewRowCancelEventArgs) Handles PersonDataGridView.UserDeletingRow
DBContext.Persons.Remove(e.Row.DataBoundItem)
End Sub
But this behaves strange: it sometimes deletes the right record, but then gives an error about index out of range (translated from Dutch: error in Datagridview: index out of range: ThrowArgumentOutOfRangeException) afterwards;
Example: I have 5 rows in the datagridview; I delete row 3 using the above code, then rows 3 and 4 are removed from the datagridview. This causes an error when trying to save the DBcontext on that second deleted row, because it has not been set to "deleted" in the context...
vb.net winforms
asked Nov 16 '18 at 9:58
intrixiusintrixius
5311613
add a comment |
I am currently using this:
Private Sub PersonDataGridView_UserDeletingRow(sender As Object, e As DataGridViewRowCancelEventArgs) Handles PersonDataGridView.UserDeletingRow
DBContext.Persons.Remove(e.Row.DataBoundItem)
End Sub
But this behaves strange: it sometimes deletes the right record, but then gives an error about index out of range (translated from Dutch: error in Datagridview: index out of range: ThrowArgumentOutOfRangeException) afterwards;
Example: I have 5 rows in the datagridview; I delete row 3 using the above code, then rows 3 and 4 are removed from the datagridview. This causes an error when trying to save the DBcontext on that second deleted row, because it has not been set to "deleted" in the context...
vb.net winforms
asked Nov 16 '18 at 9:58
intrixiusintrixius
5311613
I am currently using this:
Private Sub PersonDataGridView_UserDeletingRow(sender As Object, e As DataGridViewRowCancelEventArgs) Handles PersonDataGridView.UserDeletingRow
DBContext.Persons.Remove(e.Row.DataBoundItem)
End Sub
But this behaves strange: it sometimes deletes the right record, but then gives an error about index out of range (translated from Dutch: error in Datagridview: index out of range: ThrowArgumentOutOfRangeException) afterwards;
Example: I have 5 rows in the datagridview; I delete row 3 using the above code, then rows 3 and 4 are removed from the datagridview. This causes an error when trying to save the DBcontext on that second deleted row, because it has not been set to "deleted" in the context...
vb.net winforms
vb.net winforms
asked Nov 16 '18 at 9:58
intrixiusintrixius
5311613
asked Nov 16 '18 at 9:58
intrixiusintrixius
5311613
edited Nov 16 '18 at 10:07
intrixius
asked Nov 16 '18 at 9:58
intrixiusintrixius
5311613
asked Nov 16 '18 at 9:58
intrixiusintrixius
5311613
asked Nov 16 '18 at 9:58
intrixiusintrixius
5311613
5311613
add a comment |
add a comment |
1 Answer
1
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votes
You want to use UserDeletedRow. Using the UserDeletingRow, you are deleting record 3 from the data source as you want, but then the datagridview changes and it will fire the userdeletingrow again.
You want to perform the delete in the data source only after the record has been deleted from the gridview.
answered Nov 20 '18 at 17:24
Rob SimmermonRob Simmermon
11
thanks, I will check UserDeletedRow
– intrixius
Nov 26 '18 at 10:12
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You want to use UserDeletedRow. Using the UserDeletingRow, you are deleting record 3 from the data source as you want, but then the datagridview changes and it will fire the userdeletingrow again.
You want to perform the delete in the data source only after the record has been deleted from the gridview.
answered Nov 20 '18 at 17:24
Rob SimmermonRob Simmermon
11
thanks, I will check UserDeletedRow
– intrixius
Nov 26 '18 at 10:12
add a comment |
You want to use UserDeletedRow. Using the UserDeletingRow, you are deleting record 3 from the data source as you want, but then the datagridview changes and it will fire the userdeletingrow again.
You want to perform the delete in the data source only after the record has been deleted from the gridview.
answered Nov 20 '18 at 17:24
Rob SimmermonRob Simmermon
11
thanks, I will check UserDeletedRow
– intrixius
Nov 26 '18 at 10:12
add a comment |
You want to use UserDeletedRow. Using the UserDeletingRow, you are deleting record 3 from the data source as you want, but then the datagridview changes and it will fire the userdeletingrow again.
You want to perform the delete in the data source only after the record has been deleted from the gridview.
answered Nov 20 '18 at 17:24
Rob SimmermonRob Simmermon
11
You want to use UserDeletedRow. Using the UserDeletingRow, you are deleting record 3 from the data source as you want, but then the datagridview changes and it will fire the userdeletingrow again.
You want to perform the delete in the data source only after the record has been deleted from the gridview.
answered Nov 20 '18 at 17:24
Rob SimmermonRob Simmermon
11
answered Nov 20 '18 at 17:24
Rob SimmermonRob Simmermon
11
answered Nov 20 '18 at 17:24
Rob SimmermonRob Simmermon
11
answered Nov 20 '18 at 17:24
Rob SimmermonRob Simmermon
11
11
thanks, I will check UserDeletedRow
– intrixius
Nov 26 '18 at 10:12
add a comment |
thanks, I will check UserDeletedRow
– intrixius
Nov 26 '18 at 10:12
thanks, I will check UserDeletedRow
– intrixius
Nov 26 '18 at 10:12
thanks, I will check UserDeletedRow
– intrixius
Nov 26 '18 at 10:12
add a comment |
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