[AccessD] Hide datasheet view of table when appending

Many thanks Gustav and Drew

This is much clearer now and I understand how it is working.  I might also add it is somewhat timely as well. I will be needing to use just this sort of method in the next week or so and was wondering how it could be done best.

Great stuff!! :)



-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Drew Wutka
Sent: Tuesday, 17 June 2008 12:52 AM
To: Access Developers discussion and problem solving
Subject: Re: [AccessD] Hide datasheet view of table when appending


>>>Answers in-line

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Darryl
Collins
Sent: Monday, June 16, 2008 12:19 AM
To: Access Developers discussion and problem solving
Subject: Re: [AccessD] Hide datasheet view of table when appending



Drew,

Could I please bug you for some advice with this?

>>>Of course, and it's not bugging me... ;)

I have tested your code with a range of data in a workbook that starts
at Range A1 (with headers) and it worked great.  For most of the code I
can what is happening but I am not sure how it can be tweaked in a
couple of places.

' This line seems to get the names of all the sheets in the workbook.
Set rs = XLcnn.OpenSchema(adSchemaTables)

>>>Yes, you can use this in ADO to get the list of all the tables in a
database.  I use this method because most processes where I am reading
data from Excel, I don't necessarily know what the sheet name is.

'This line goes to the first sheet in the workbook (or more accurately
the schematables I would think)
rs.MoveFirst

>>>Actually, to be more accurate the OpenSchema(adSchemaTables) returned
a recordset with the following fields:

TABLE_CATALOG
TABLE_SCHEMA
TABLE_NAME
TABLE_TYPE

>>>so rs.movefirst is just going to the first record (which, when
dealing with an excel spreadsheet, would be the record representing the
info for the first sheet)

' This line seems to define the data set to be used - not sure if
"TABLE_NAME" can be anything or not? Actually not sure how this works at
all.
strSheetName = rs.Fields("TABLE_NAME").Value

>>>As I just mentioned, "TABLE_NAME" is a field in the adSchemaTables
Schema.  All this line is doing is storing the name of the sheet I want
to open.

' No need to explain - however what if the sheet you want is not the
first sheet or you know exactly which sheet you do want?
rs.MoveFirst

>>>Then you can completely skip the adschema stuff, and just open the
sheet or range (sheets end with $, where ranges do not)

I was also wondering if it was possible to use Excel's Named ranges
instead of sheets.  All of the dataset I use are in named ranges that
automatically adjust shape as needed.  Ideally I would like something
like:

Sheets("MyExcelSheet").Range("MyNamedRange") =
rs.Fields("TABLE_NAME").Value

>>>Yes, you can just open the range without using the schema, the same
'sample code' I posted with opening a known range would be like this:

Function ImportExcelData()
Dim XLcnn As ADODB.Connection
Dim XLrs As ADODB.Recordset
Dim rs As ADODB.Recordset
Dim strSheetName As String
Dim i As Long
Set XLcnn = New ADODB.Connection
XLcnn.Provider = "Microsoft.Jet.OLEDB.4.0"
XLcnn.Properties("Extended Properties") = "Excel 8.0;HDR=No"
XLcnn.Open "E:\tblRequests.xls"
Set rs = New ADODB.Recordset
rs.Open "tblRequests", CurrentProject.Connection, adOpenKeyset,
adLockOptimistic, adCmdTableDirect
Set XLrs = New ADODB.Recordset
XLrs.Open "NameOfYourDataRange", XLcnn, adOpenKeyset, adLockReadOnly,
adCmdTableDirect
If XLrs.EOF = False Then XLrs.MoveFirst
Do Until XLrs.EOF = True
    rs.AddNew
    For i = 0 To XLrs.Fields.Count - 1
        If Not IsNull(XLrs.Fields(i).Value) Then
            rs.Fields(XLrs.Fields(i).Name).Value = XLrs.Fields(i)
        End If
    Next i
    rs.Update
    XLrs.MoveNext
Loop
rs.Close
Set rs = Nothing
XLrs.Close
Set XLrs = Nothing
XLcnn.Close
Set XLcnn = Nothing
MsgBox "Done"
End Function

>>>Where you would need to replace "NameOfYourDataRange" with the name
of the range you want to use (and also the E:\tblRequests.xls with the
name of the .xls file you want to use).


That would be very cool indeed.  - heh, actually I might try and play
with that and let you know what happens.

cheers
Darryl.




-----Original Message-----
From: Darryl Collins 
Sent: Monday, 16 June 2008 10:45 AM
To: 'Access Developers discussion and problem solving'
Subject: RE: [AccessD] Hide datasheet view of table when appending



Drew,

Thanks heaps for this info, I will definately have a play with this
technique later this week.

Great Stuff.

Cheers
Darryl
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