need help with error message

[TJS]

When trying to delete a row from a datagrid I get this error on every record
regardless of record selected to delete.
"Index 7 is not non-negative and below total rows count."

there are 8 rows in the table being edited so index 7 should be a valid
number

========= the offending code =================

Private _dataGridData As New DataTable()
Private _dataGridView As New DataView()
......

Private Sub DeleteRow(rowIndex As Integer)

_dataGridView = _dataGridData.DefaultView

If _dataGridData.Rows.Count >= rowIndex Then
' Delete row from datatable
Dim row As DataRow = _dataGridView(rowIndex).Row
row.Delete() '<=== won't go past this point
End If

End sub

[pj]

On Wed, 2 Mar 2005 16:21:32 -0800, "TJS" <no****@here.com> wrote:

When trying to delete a row from a datagrid I get this error on every record
regardless of record selected to delete.
"Index 7 is not non-negative and below total rows count."

there are 8 rows in the table being edited so index 7 should be a valid
number
Are there 8 rows in the DataView as well? Perhaps you have a filter in
place and _dataGridData.DefaultView has fewer rows than
_dataGridData.

pj


========= the offending code =================

Private _dataGridData As New DataTable()
Private _dataGridView As New DataView()
......

Private Sub DeleteRow(rowIndex As Integer)

_dataGridView = _dataGridData.DefaultView

If _dataGridData.Rows.Count >= rowIndex Then
' Delete row from datatable
Dim row As DataRow = _dataGridView(rowIndex).Row
row.Delete() '<=== won't go past this point
End If

End sub

--
http://www.psychedelicjones.com/

[TJS]

I don't know how to confirm that ..

"pj" <[e-mail]> wrote in message
news:lc********************************@4ax.com...

On Wed, 2 Mar 2005 16:21:32 -0800, "TJS" <no****@here.com> wrote:

When trying to delete a row from a datagrid I get this error on every
record
regardless of record selected to delete.
"Index 7 is not non-negative and below total rows count."

there are 8 rows in the table being edited so index 7 should be a valid
number

Are there 8 rows in the DataView as well? Perhaps you have a filter in
place and _dataGridData.DefaultView has fewer rows than
_dataGridData.

pj

========= the offending code =================

Private _dataGridData As New DataTable()
Private _dataGridView As New DataView()
......

Private Sub DeleteRow(rowIndex As Integer)

_dataGridView = _dataGridData.DefaultView

If _dataGridData.Rows.Count >= rowIndex Then
' Delete row from datatable
Dim row As DataRow = _dataGridView(rowIndex).Row
row.Delete() '<=== won't go past this point
End If

End sub

--
http://www.psychedelicjones.com/

[pj]

On Wed, 2 Mar 2005 19:01:46 -0800, "TJS" <no****@here.com> wrote:

I don't know how to confirm that ..
if _dataGridView.Items.Count >= rowIndex etc... ?

pj

"pj" <[e-mail]> wrote in message
news:lc********************************@4ax.com.. .

On Wed, 2 Mar 2005 16:21:32 -0800, "TJS" <no****@here.com> wrote:

When trying to delete a row from a datagrid I get this error on every
record
regardless of record selected to delete.
"Index 7 is not non-negative and below total rows count."

there are 8 rows in the table being edited so index 7 should be a valid
number

Are there 8 rows in the DataView as well? Perhaps you have a filter in
place and _dataGridData.DefaultView has fewer rows than
_dataGridData.

pj

========= the offending code =================

Private _dataGridData As New DataTable()
Private _dataGridView As New DataView()
......

Private Sub DeleteRow(rowIndex As Integer)

_dataGridView = _dataGridData.DefaultView

If _dataGridData.Rows.Count >= rowIndex Then
' Delete row from datatable
Dim row As DataRow = _dataGridView(rowIndex).Row
row.Delete() '<=== won't go past this point
End If

End sub

--
http://www.psychedelicjones.com/

--
http://www.psychedelicjones.com/

[TJS]

thanks for replying ..

I found the problem , it was looking for a primary key field, which was
missing from the query.
the error message was not very helpful in this case.