Jaime Vasquez wrote:
> Ricardo Aráoz wrote:
>> My reports generate Excel files, if the report is too long (more than
>> 64000 lines) I use different pages in the same file. I have two ways to
>> do it, either I export up to say 15000 lines with a copy to command to a
>> temporary excel file, then open it (as an excel object), copy it's
>> contents to the clipboard (through excel command) and then copy the
>> clipboard to a new page in my multi page excel file. The pro of this
>> method is speed, the con is that if the customer uses the clipboard he
>> interferes with the report.
>> The other way is to insert the data cell by cell, but if the file is too
>> large it gets slow.
>> Does any of you know of some other way to optimize this?
>
>
> Ricardo,
>
> The easiest and fastews way, imo, is to read the data with ado, next use
> the copyfromrecordset method to copy to excel.
>
> It will be fast and you don't have to deal with the volatile clipboard.
>
> *Create ado connection and recordset object
> loConn = NewObject('ADODB.Connection')
> loRs = NewObject('adodb.recordset')
> loconn.ConnectionString = "Provider=vfpoledb.1;Data
> Source=C:\myvfpdbfolder\;Collating Sequence=general;"
> loconn.Open
> lors.Open("select * from credidt.dbf", LoConn)
>
> *excel object:
> loExcel = NewObject("Excel.application")
> loWorkBook = loexcel.Workbooks.Add
> loWorkSheet = loexcel.ActiveWorkbook.Worksheets.Add
> loExcel.visible = .T.
> loworksheet.range("A1").CopyFromRecordset(lors) && copy data to excel
>
>
Te agradezco mucho Jaime. The problem is I process my data in the local
app, I take data from two different engines and combine and process it
so I am actually dealing with a VFP cursor which I have to insert into a
workbook in chunks of 15 to 64000 records per worksheet. I can see that
if I do something like "loworksheet.ActivePage.CopyFromRecordSet(lors)"
I might get the file into a given page, but I would still have two
problems, first how to divide the file in chunks (doable), and second I
have my data in a cursor. Is there a way of converting a local VFP
cursor into a record set?
Thanks again
>
> HTH
>
>
>
>
> Saludos,
> Jaime Vasquez
> Guatemala C.A.
>
>
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