Looking at the Details for an Invoicing Application in Delphi - Client Management Code

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unit viewclients;

interface

uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, Grids, DBGrids, StdCtrls, DB, ADODB, Buttons, ExtCtrls, DBCtrls;

type

  TForm6 = class(TForm)

    DBGrid1: TDBGrid;

    adoc: TADOTable;

    DataSource1: TDataSource;

    Panel1: TPanel;

    mem: TMemo;

    edname: TEdit;

    edcontact: TEdit;

    edfax: TEdit;

    edemail: TEdit;

    edphone: TEdit;

    StaticText1: TStaticText;

    StaticText2: TStaticText;

    StaticText3: TStaticText;

    StaticText4: TStaticText;

    StaticText5: TStaticText;

    StaticText6: TStaticText;

    btnAddC: TBitBtn;

    RadioButton1: TRadioButton;

    BitBtn1: TBitBtn;

    btnExit: TBitBtn;

    Panel2: TPanel;

    DBMemo1: TDBMemo;

    StaticText7: TStaticText;

    procedure Button1Click(Sender: TObject);

    procedure btnAddCClick(Sender: TObject);

    procedure btnExitClick(Sender: TObject);

    procedure RadioButton1Click(Sender: TObject);

    procedure FormActivate(Sender: TObject);

    procedure BitBtn1Click(Sender: TObject);

    procedure FormCreate(Sender: TObject);

  private

    { Private declarations }

  public

    { Public declarations }

   

  end;

var

  Form6: TForm6;

implementation

{$R *.dfm}

uses invmain;

procedure activatewidgets;

begin

form6.edname.Enabled:=true;

form6.edemail.Enabled:=true;

form6.edphone.Enabled:=true;

form6.edfax.Enabled:=true;

form6.edcontact.Enabled:=true;

form6.btnaddc.Enabled:=true;

form6.mem.Enabled:=true;

end;

procedure de_activatewidgets;

begin

form6.edname.Enabled:=false;

form6.edemail.Enabled:=false;

form6.edphone.Enabled:=false;

form6.edfax.Enabled:=false;

form6.edcontact.Enabled:=false;

form6.btnaddc.Enabled:=false;

form6.mem.Enabled:=false;

//empty the widgets

form6.edname.Clear;

form6.edemail.Clear;

form6.edphone.Clear;

form6.edfax.Clear;

form6.edcontact.Clear;

form6.mem.Clear;

form6.RadioButton1.Checked:=false;

end;

procedure TForm6.Button1Click(Sender: TObject);

begin

close;

end;

procedure TForm6.btnAddCClick(Sender: TObject);

begin

with adoc do

begin

try

Screen.Cursor := crHourGlass;

Insert;

FieldByName('name').Text := edname.Text;

FieldByName('address').AsString :=mem.Lines.Text;

FieldByName('email').text := edemail.text;

FieldByName('phone').text :=edphone.Text;

FieldByName('fax').text :=edfax.Text;

FieldByName('contact').text := edcontact.Text;

post;

except on E : Exception do

showmessage(e.Message);

end;

end;

messagedlg(edname.text + ' has been added.',mtInformation,

      [mbOk], 0);

Screen.Cursor := crDefault;

de_activatewidgets;

end;

procedure TForm6.btnExitClick(Sender: TObject);

begin

close;

end;

procedure TForm6.RadioButton1Click(Sender: TObject);

begin

activatewidgets;

end;

procedure TForm6.FormActivate(Sender: TObject);

begin

de_activatewidgets;

end;

procedure TForm6.BitBtn1Click(Sender: TObject);

begin

if adoc.RecNo > 0 then

adoc.Delete;

adoc.Refresh;

end;

procedure TForm6.FormCreate(Sender: TObject);

begin

adoc.ConnectionString:=form1.con;

adoc.Active:=true;

dbgrid1.Hint:='Click to make changes to the client details. '+#13#10+' Any changes you make will automatically be updated.';

end;

end.

Next: Final output and Conclusion >>
 

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