(Delphi ActiveX) CSV Delete Column by Name

Demonstrates the DeleteColumnByName method.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

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
// 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

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);

csv := TChilkatCsv.Create(Self);

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

// Delete the "city" column.
success := csv.DeleteColumnByName('city');

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
end;