B4X Requires Chilkat v11.3.0+

XLSX Convert Sheet to CSV

Open an Excel spreadsheet (.xlsx) and loads a sheet into a CSV object. B4X

Dim success As Boolean = False

'  This example assumes the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

'  .xlsx files are Zip archives
Dim zip As ChilkatZip
zip.Initialize("zip")
success = zip.OpenZip("qa_data/excel/fakeCompanies.xlsx")
If success = False Then
    Log(zip.LastErrorText)
    Return
End If


Dim csv As ChilkatCsv
csv.Initialize
Dim sheetNames As ChilkatStringTable
sheetNames.Initialize
success = csv.XlsxGetSheets(zip, sheetNames)
If success = False Then
    Log(csv.LastErrorText)
    Return
End If


If sheetNames.Count = 0 Then
    Log("There are no sheets in the .xlsx")
    Return
End If


'  Get the name of the 1st sheet.
Dim sheetName As String = sheetNames.StringAt(0)

'  Load the 1st sheet into the CSV.
'  We could've also loaded the 1st sheet by passing an empty string for the sheet name.
success = csv.XlsxLoadSheet(zip, sheetName)
If success = False Then
    Log(zip.LastErrorText)
    Return
End If


'  The Chilkat CSV API can now be used to read, modify, or insert cells.
'  ...
'  ...

Dim csvStr As String = csv.SaveToString
Log(csvStr)

'  Sample output:
'  CompanyName,Address,City,State,Zip,Phone
'  Acme Innovations LLC,7428 Westbrook Blvd,Oak Bend,IL,60514,630-555-2398
'  BlueHorizon Data Systems,1850 Crestline Park Suite 210,Rivergate,CA,92814,714-555-8821
'  Pinnacle Manufacturing Corp,3912 Industrial Loop,Maple Ridge,TX,77301,281-555-4477
'  Evergreen Analytics Inc,1250 Highland Terrace,Stonefield,WA,98290,425-555-9914
'  NovaTech Solutions Group,578 Marketview Drive,Clearwater,FL,33760,727-555-6032

'  Save to a .csv file.
success = csv.SaveFile2("c:/temp/qa_output/fakeCompanies.csv", "utf-8")
If success = False Then
    Log(csv.LastErrorText)
    Return
End If