>Can you post the rest of the property settings for the column and cbo (from the class browser, eg)? Unless of course you've tracked this puppy down alread :-)
>
>>As I said, it's putting the correct value into the ControlSource, it's just the display value keeps disappearing, but the value is the correct value.

These are all the properties that are not defaults
with column1
.FontSize = 6
.ControlSource = "e_ivsvs.is_spkey"
.CurrentControl = "cboService"
.Sparse = .F.
.Width = 150
.Name = "Column1"
endwith

with column1.cboService
.Height = 20
.Style = 2
.BoundColumn = 2
.ColumnCount = 2
.ColumnWidths = "150,0"
.Value = ""
.ControlSource = "e_ivsvs.is_spkey"
.ColumnLines = .F.
.SelectOnEntry = .T.
.BoundTo = .T.
.FontSize = 6
.RowSourceType = 3
.RowSource = "select name, sp_key from p_svpr order by 1 union select ni_name, ni_key from NewItem into cursor p_services"
.Left = 31
.Top = 26
.Name = "cboService"
endwith