Delphi ActiveX

CSV Delete Column

Demonstrates the DeleteColumn method. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
bCrlf: Integer;
sb: TChilkatStringBuilder;
csv: TChilkatCsv;

begin
success := 0;

// We have the following CSV...

// permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
// lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
// mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
// flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
// infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
// gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed
// chosenlist-com,ChosenList.com,5,web,Scottsdale,AZ,1-Oct-06,140000,USD,seed
// digg,Digg,60,web,San Francisco,CA,1-Oct-05,2800000,USD,a
// facebook,Facebook,450,web,Palo Alto,CA,1-Sep-04,500000,USD,angel
// facebook,Facebook,450,web,Palo Alto,CA,1-May-05,12700000,USD,a
// photobucket,Photobucket,60,web,Palo Alto,CA,1-May-06,10500000,USD,b
// omnidrive,Omnidrive,,web,Palo Alto,CA,1-Dec-06,800000,USD,angel
// geni,Geni,18,web,West Hollywood,CA,1-Jan-07,1500000,USD,a
// twitter,Twitter,17,web,San Francisco,CA,1-Jul-07,5400000,USD,b
// stumbleupon,StumbleUpon,,web,San Francisco,CA,1-Dec-05,1500000,USD,seed
// gizmoz,Gizmoz,,web,Menlo Park,CA,1-May-07,6300000,USD,a
// mahalo,Mahalo,40,web,Santa Monica,CA,1-Jan-06,5000000,USD,a

bCrlf := 1;
sb := TChilkatStringBuilder.Create(Self);
sb.AppendLine('permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round',bCrlf);
sb.AppendLine('lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b',bCrlf);
sb.AppendLine('mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed',bCrlf);
sb.AppendLine('flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a',bCrlf);
sb.AppendLine('infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a',bCrlf);
sb.AppendLine('gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed',bCrlf);
sb.AppendLine('chosenlist-com,ChosenList.com,5,web,Scottsdale,AZ,1-Oct-06,140000,USD,seed',bCrlf);
sb.AppendLine('digg,Digg,60,web,San Francisco,CA,1-Oct-05,2800000,USD,a',bCrlf);
sb.AppendLine('facebook,Facebook,450,web,Palo Alto,CA,1-Sep-04,500000,USD,angel',bCrlf);
sb.AppendLine('facebook,Facebook,450,web,Palo Alto,CA,1-May-05,12700000,USD,a',bCrlf);
sb.AppendLine('photobucket,Photobucket,60,web,Palo Alto,CA,1-May-06,10500000,USD,b',bCrlf);
sb.AppendLine('omnidrive,Omnidrive,,web,Palo Alto,CA,1-Dec-06,800000,USD,angel',bCrlf);
sb.AppendLine('geni,Geni,18,web,West Hollywood,CA,1-Jan-07,1500000,USD,a',bCrlf);
sb.AppendLine('twitter,Twitter,17,web,San Francisco,CA,1-Jul-07,5400000,USD,b',bCrlf);
sb.AppendLine('stumbleupon,StumbleUpon,,web,San Francisco,CA,1-Dec-05,1500000,USD,seed',bCrlf);
sb.AppendLine('gizmoz,Gizmoz,,web,Menlo Park,CA,1-May-07,6300000,USD,a',bCrlf);
sb.AppendLine('mahalo,Mahalo,40,web,Santa Monica,CA,1-Jan-06,5000000,USD,a',bCrlf);

csv := TChilkatCsv.Create(Self);

// Indicate that the 1st line contains column names.
csv.HasColumnNames := 1;
success := csv.LoadFromString(sb.GetAsString());

// Delete the "city" column, which is at index 4.  (the 1st column is at index 0)
success := csv.DeleteColumn(4);

Memo1.Lines.Add(csv.SaveToString());

// Output is:

// permalink,company,numEmps,category,state,fundedDate,raisedAmt,raisedCurrency,round
// lifelock,LifeLock,,web,AZ,1-May-07,6850000,USD,b
// mycityfaces,MyCityFaces,7,web,AZ,1-Jan-08,50000,USD,seed
// flypaper,Flypaper,,web,AZ,1-Feb-08,3000000,USD,a
// infusionsoft,Infusionsoft,105,software,AZ,1-Oct-07,9000000,USD,a
// gauto,gAuto,4,web,AZ,1-Jan-08,250000,USD,seed
// chosenlist-com,ChosenList.com,5,web,AZ,1-Oct-06,140000,USD,seed
// digg,Digg,60,web,CA,1-Oct-05,2800000,USD,a
// facebook,Facebook,450,web,CA,1-Sep-04,500000,USD,angel
// facebook,Facebook,450,web,CA,1-May-05,12700000,USD,a
// photobucket,Photobucket,60,web,CA,1-May-06,10500000,USD,b
// omnidrive,Omnidrive,,web,CA,1-Dec-06,800000,USD,angel
// geni,Geni,18,web,CA,1-Jan-07,1500000,USD,a
// twitter,Twitter,17,web,CA,1-Jul-07,5400000,USD,b
// stumbleupon,StumbleUpon,,web,CA,1-Dec-05,1500000,USD,seed
// gizmoz,Gizmoz,,web,CA,1-May-07,6300000,USD,a
// mahalo,Mahalo,40,web,CA,1-Jan-06,5000000,USD,a
end;