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NewInvioce.pas
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NewInvioce.pas
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unit NewInvioce;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics,
Controls, Forms, uniGUITypes, uniGUIAbstractClasses, unipagecontrol,
uniGUIClasses, uniGUIFrame, uniGUIBaseClasses, uniPanel, Data.DB,
Data.Win.ADODB, uniMultiItem, uniComboBox, uniDBComboBox, uniDBLookupComboBox,
uniEdit, uniButton, uniBasicGrid, uniDBGrid, uniDBNavigator, Datasnap.DBClient;
type
TFrmNewInvoice = class(TUniFrame)
UniPanel1: TUniPanel;
UniDBLookupComboBox1: TUniDBLookupComboBox;
DataSource1: TDataSource;
AdoQuery1: TADOQuery;
edTotal: TUniNumberEdit;
UniButton1: TUniButton;
UniDBGrid1: TUniDBGrid;
DataSource2: TDataSource;
UniDBNavigator1: TUniDBNavigator;
UniHiddenPanel1: TUniHiddenPanel;
UniNumberEdit2: TUniNumberEdit;
UniNumberEdit3: TUniNumberEdit;
ClientDataSet1: TClientDataSet;
ADOQuery2: TADOQuery;
procedure UniDBGrid1ColumnSummary(Column: TUniDBGridColumn;
GroupFieldValue: Variant);
procedure UniDBGrid1ColumnSummaryResult(Column: TUniDBGridColumn;
GroupFieldValue: Variant; Attribs: TUniCellAttribs; var Result: string);
procedure ClientDataSet1BeforePost(DataSet: TDataSet);
procedure UniFrameCreate(Sender: TObject);
procedure UniButton1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
implementation
{$R *.dfm}
uses MainModule, Main, Invoices;
procedure TFrmNewInvoice.ClientDataSet1BeforePost(DataSet: TDataSet);
begin
ClientDataSet1.FieldByName('total').AsFloat := ClientDataSet1.FieldByName('quantity').AsFloat*ClientDataSet1.FieldByName('price').AsFloat;
end;
procedure TFrmNewInvoice.UniButton1Click(Sender: TObject);
var
InsertedId, i : integer;
begin
if UniDBLookupComboBox1.ItemIndex = -1 then
ShowMessage('Please Select Customer')
else if ClientDataSet1.RecordCount = 0 then
ShowMessage('Please Add At Least One Product')
else
begin
with ADOQuery2 do
begin
sql.Clear;
sql.Add('insert into Invoice (CustomerId, InvoiceDate, Total) values (:CustomerId, :InvoiceDate, :Total)');
Parameters.ParamByName('CustomerId').Value:=UniDBLookupComboBox1.KeyValue;
Parameters.ParamByName('InvoiceDate').Value:=Now;
Parameters.ParamByName('Total').Value:=edTotal.Value;
ExecSQL;
SQL.Clear;
sql.Add('Select @@Identity as InsertedId ');
Active:=True;
InsertedId := FieldByName('InsertedId').AsInteger;
sql.Clear;
sql.Add('insert into InvoiceDetails (InvoiceId, product, quantity, price, total) values (:InvoiceId, :product, :quantity, :price, :total)');
Parameters.ParamByName('InvoiceId').Value:=InsertedId;
ClientDataSet1.DisableControls;
ClientDataSet1.First;
while Not ClientDataSet1.Eof do
begin
Parameters.ParamByName('product').Value := ClientDataSet1.FieldByName('product').AsString;
Parameters.ParamByName('quantity').Value := ClientDataSet1.FieldByName('quantity').AsInteger;
Parameters.ParamByName('price').Value := ClientDataSet1.FieldByName('price').AsFloat;
Parameters.ParamByName('total').Value := ClientDataSet1.FieldByName('total').AsFloat;
ExecSQL;
ClientDataSet1.Next;
end;
ClientDataSet1.EnableControls;
UniMainModule.QueryInvoices.Close;
UniMainModule.QueryInvoices.Open;
(Parent as TUniTabSheet).Close;
end;
end;
end;
procedure TFrmNewInvoice.UniDBGrid1ColumnSummary(Column: TUniDBGridColumn;
GroupFieldValue: Variant);
begin
if SameText(Column.FieldName, 'quantity') then
begin
if Column.AuxValue = NULL then Column.AuxValue:=0;
Column.AuxValue := Column.AuxValue + Column.Field.AsInteger;
end
else if SameText(Column.FieldName, 'total') then
begin
if Column.AuxValue = NULL then Column.AuxValue:=0.0;
Column.AuxValue := Column.AuxValue + Column.Field.AsFloat;
end;
end;
procedure TFrmNewInvoice.UniDBGrid1ColumnSummaryResult(Column: TUniDBGridColumn;
GroupFieldValue: Variant; Attribs: TUniCellAttribs; var Result: string);
var
I : Integer;
F : Real;
begin
if SameText(Column.FieldName, 'quantity') then
begin
I:=Column.AuxValue;
Result:=Format('Total Units: %d', [I]);
Attribs.Font.Style:=[fsBold];
Attribs.Font.Color:=clGreen;
end
else if SameText(Column.FieldName, 'total') then
begin
F:=Column.AuxValue;
Result:='Total Cost: '+FormatCurr('0.00 ', F) + FormatSettings.CurrencyString;
Attribs.Font.Style:=[fsBold];
Attribs.Font.Color:=clNavy;
edTotal.Value := F;
end;
Column.AuxValue:=NULL;
end;
procedure TFrmNewInvoice.UniFrameCreate(Sender: TObject);
begin
ClientDataSet1.Open;
end;
initialization
RegisterClass(TFrmNewInvoice);
end.