Delphi DLL Requires Chilkat v11.3.0+

XLSX Convert Sheet to CSV

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

var
success: Boolean;
zip: HCkZip;
csv: HCkCsv;
sheetNames: HCkStringTable;
sheetName: PWideChar;
csvStr: PWideChar;

begin
success := False;

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

//  .xlsx files are Zip archives
zip := CkZip_Create();
success := CkZip_OpenZip(zip,'qa_data/excel/fakeCompanies.xlsx');
if (success = False) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
    Exit;
  end;

csv := CkCsv_Create();
sheetNames := CkStringTable_Create();
success := CkCsv_XlsxGetSheets(csv,zip,sheetNames);
if (success = False) then
  begin
    Memo1.Lines.Add(CkCsv__lastErrorText(csv));
    Exit;
  end;

if (CkStringTable_getCount(sheetNames) = 0) then
  begin
    Memo1.Lines.Add('There are no sheets in the .xlsx');
    Exit;
  end;

//  Get the name of the 1st sheet.
sheetName := CkStringTable__stringAt(sheetNames,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 := CkCsv_XlsxLoadSheet(csv,zip,sheetName);
if (success = False) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
    Exit;
  end;

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

csvStr := CkCsv__saveToString(csv);
Memo1.Lines.Add(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 := CkCsv_SaveFile2(csv,'c:/temp/qa_output/fakeCompanies.csv','utf-8');
if (success = False) then
  begin
    Memo1.Lines.Add(CkCsv__lastErrorText(csv));
    Exit;
  end;

CkZip_Dispose(zip);
CkCsv_Dispose(csv);
CkStringTable_Dispose(sheetNames);