How can I filter the LOV rows at the runtime

I am working in oracle forms 6i.
My lov is based on a view. If I selected one row from LOV, that row should not appear in list box.
I would like to restrict rows before saving a form. How can i filer the LOV rows at the runtime?
Please help me.

Dear Mr.MH_BD,
Thanks for your immediate response,
My form is built based on master and detail link. On the multi row detail section I am invoking this LOV. The record group containing the following query:
select fees_id,fees_name,term_fees from sk_fees_mst where fees_bal>0;
fees_id
fees_name
term_fees
12
Tuition Fees
2500
13
Smart Class
100
14
Admin Fees
300
If I selected the fees_id 13 for the first row of detail section, then the LOV should display only the following in the next row:
fees_id
fees_name
term_fees
12
Tuition Fees
2500
14
Admin Fees
300
(ie.) Before commit form I need to filter the already selected fees ids from record group.
Thanks in advance.

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I would like to view only the rows in which the data in column x is some particular value.
For instance, I'd like to view (and create a group of channels) containing only data from rows where the text in column 2 is MC1.
... guess I can't put a picture inline...
See attached for sample data.
Thanks.
Attachments:
MyData.PNG ‏40 KB

Hi ebloohm,
This script will break out your loaded data rows by the "Station" channel values. let me know if you want to filter out the "1;2" suffix or leave it differentiated. If you want to do the same sort of thing not within a single file but across multiple files, then you'd do better to change your DataPlugin to enable the DataFinder to pull only the desired rows from each file.
OPTION EXPLICIT
Dim i, j, iMax, jMax, RawGroup, Channel, IdChName, OrderChName, Msg, LastTime
Dim IdChDict, IdChannel, OrderChannel, RowDict, RowKeys, RowItems, DataChDict
IdChName = "Station"
OrderChName = "" ' "Time" or ""
Set RawGroup = Data.Root.ChannelGroups(GroupCount)
On Error Resume Next
Set OrderChannel = RawGroup.Channels(OrderChName)
On Error Goto 0
Set IdChDict = CreateObject("Scripting.Dictionary")
Set IdChannel = RawGroup.Channels.Add(IdChName, DataTypeString)
IdChDict.Add UCase(IdChannel.Name), IdChannel
Set Channel = RawGroup.Channels(IdChName) : IdChDict.Add UCase(Channel.Name), Channel
jMax = RawGroup.Channels.Count-1
Set DataChDict = CreateObject("Scripting.Dictionary")
IF IsObject(OrderChannel) THEN
DataChDict.Add UCase(OrderChannel.Name), OrderChannel
END IF
FOR j = 1 TO jMax
Set Channel = RawGroup.Channels(j)
IF NOT IdChDict.Exists(UCase(Channel.Name)) AND UCase(Channel.Name) <> UCase(OrderChName) THEN
DataChDict.Add UCase(Channel.Name), Channel
END IF
NEXT ' j
Msg = "Enumerating all the Groups..."
Call MsgBoxDisp(Msg, "MB_NOBUTTON", "MsgTypeNote", 0, 0, 1)
Call CreateIdChannel(IdChDict)
Set RowDict = EnumerateIdRows(IdChannel)
RowKeys = RowDict.Keys
RowItems = RowDict.Items
iMax = UBound(RowKeys)
LastTime = Timer
FOR i = 0 TO iMax
IF Timer > LastTime+1 OR Timer < LastTime THEN
Msg = "Sort Extracting Group " & i+1 & " of " & iMax+1
Call MsgBoxDisp(Msg, "MB_NOBUTTON", "MsgTypeNote", 0, 0, 1)
LastTime = Timer
END IF
Call ExtractIdGroup(RowKeys(i), RowItems(i), IdChDict, DataChDict)
NEXT ' i
Call RawGroup.Channels.Remove(IdChannel.Name)
Call MsgBoxCancel
Sub TextToNumeric(Group, ChanName, ChanType, Factor, Offset)
Dim RawChannel, NewChannel
Set RawChannel = Group.Channels(ChanName)
Set NewChannel = Group.Channels.Add("New|" & ChanName, ChanType)
L1 = RawChannel.Properties("Number").Value
L2 = NewChannel.Properties("Number").Value
ChnLength(L2) = ChnLength(L1)
Call ChnCalculate("Ch(L2) = CDbl(Ch(L1))")
IF Factor <> 1 OR Offset <> 0 THEN
Call ChnLinScale(NewChannel, NewChannel, Factor, Offset)
END IF
Call ChnMove(NewChannel, RawGroup.Properties("Index").Value, RawChannel.Properties("GroupIndex").Value)
Call RawGroup.Channels.Remove(RawChannel.Name)
NewChannel.Name = Mid(NewChannel.Name, 5)
End Sub ' TextToNumeric()
Sub CreateIdChannel(IdChDict)
Dim j, jMax, RawGroup, ChListStr, IdChannels, IdChannel
IdChannels = IdChDict.Items
Set IdChannel = IdChannels(0)
Set RawGroup = IdChannel.ChannelGroup
Call RawGroup.Activate
ChListStr = ""
jMax = UBound(IdChannels)
FOR j = 1 TO jMax
ChListStr = ChListStr & "Ch(" & IdChannels(j).Properties("Number").Value & ") & ""."" & "
NEXT ' IdCh
ChListStr = Left(ChListStr, Len(ChListStr)-9)
Call ChnCalculate("Ch(" & IdChannel.Properties("Number").Value & ") = " & ChListStr)
End Sub ' CreateIdChannel()
Function EnumerateIdRows(IdChannel)
Dim j, jMax, RawGroup, RawChannel, RawChnStr, RowDict, StartRow, StopRow, RowMax
Set RawGroup = IdChannel.ChannelGroup
Call RawGroup.Activate
RawChnStr = ""
jMax = RawGroup.Channels.Count-1
FOR j = 1 TO jMax
Set RawChannel = RawGroup.Channels(j)
RawChnStr = ChnStrAdd(RawChnStr, RawChannel.Properties("Number").Value)
NEXT ' j
Call ChnMultipleSort(IdChannel, RawChnStr, 0, 1)
L3 = IdChannel.Properties("Number").Value
Set RowDict = CreateObject("Scripting.Dictionary")
StartRow = 1
StopRow = 1
RowMax = ChnLength(L3)
Do While StopRow <= RowMax
T1 = ChT(StartRow, L3)
StopRow = ChnFind("UCase(Ch(L3)) <> UCase(T1)", StartRow+1)
IF StopRow = 0 THEN StopRow = CLng(RowMax+1)
RowDict.Add T1, StartRow & "|" & CLng(StopRow-StartRow)
StartRow = CLng(StopRow)
Loop ' Until End Of Channel L3
Set EnumerateIdRows = RowDict
End Function ' EnumerateIdRows()
Function ExtractIdGroup(RowKey, RowItem, IdChDict, DataChDict)
Dim j, jMax, RawGroup, RawChannel, NewGroup, NewChannel, RawChnStr, NewChnStr, DataChannels, Cols
Dim StartRow, RowCount, NewDataType, NewDataDisp, NewOrderCh, IdChannels, IdChannel, OrderChannel
Cols = Split("|" & RowItem, "|")
IF UBound(Cols) < 2 THEN Exit Function
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RowCount = CLng(Cols(2))
IF Data.Root.ChannelGroups.Exists(RowKey) THEN Call Data.Root.ChannelGroups.Remove(RowKey)
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Call NewGroup.Activate
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jMax = UBound(IdChannels)
FOR j = 1 TO jMax
Set IdChannel = IdChannels(j)
NewGroup.Properties.Add IdChannel.Name, ChV(StartRow, IdChannel.Properties("Number").Value)
NEXT ' j
RawChnStr = ""
NewChnStr = ""
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jMax = UBound(DataChannels)
FOR j = 0 TO jMax
Set RawChannel = DataChannels(j)
Set NewChannel = NewGroup.Channels.Add(RawChannel.Name, RawChannel.DataType)
ChnLength(NewChannel) = RowCount
RawChnStr = ChnStrAdd(RawChnStr, RawChannel.Properties("Number").Value)
NewChnStr = ChnStrAdd(NewChnStr, NewChannel.Properties("Number").Value)
NEXT ' j
Call DataBlCopy(RawChnStr, StartRow, RowCount, NewChnStr, 1)
NewChannel = ""
On Error Resume Next
Set NewChannel = NewGroup.Channels("Value")
On Error Goto 0
IF OrderChName <> "" THEN
NewChnStr = ""
jMax = UBound(DataChannels)
Set OrderChannel = NewGroup.Channels(DataChannels(0).Name)
FOR j = 1 TO jMax
Set NewChannel = NewGroup.Channels(DataChannels(j).Name)
NewChnStr = ChnStrAdd(NewChnStr, NewChannel.Properties("Number").Value)
NEXT ' j
Call ChnMultipleSort(OrderChannel, NewChnStr, 0, 1)
END IF ' can order the rows of each extracted Group
Set ExtractIdGroup = NewGroup
End Function ' ExtractIdGroup()
Brad Turpin
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