//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "BookFine.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "Parent"
#pragma resource "*.dfm"
TfmBookFine *fmBookFine;
//---------------------------------------------------------------------------
__fastcall TfmBookFine::TfmBookFine(TComponent* Owner)
    : TfmParent(Owner)
{
    this->szCondition1 = "讀者編號";
    this->szCondition2 = "讀者條碼";
    this->szCondition3 = "圖書編號";
    // 設置查詢條件
    this->SetSeekEditStatus();
    // 和以前的窗體不一樣,我們在這里打開Table1
    Table1->Active = true;
    // 設置可以操作
    Panel2->Enabled = true;
    lblCount->Caption = "記錄數: " + IntToStr(Table1->RecordCount) ;
}
//---------------------------------------------------------------------------
void __fastcall TfmBookFine::btFineClick(TObject *Sender)
{
    if(Table1->FieldByName("罰款編號")->AsString == "")
        return;
    TQuery* pQuery = new TQuery(NULL);
    AnsiString sql;
    pQuery->DatabaseName = "db";
    sql = "update 圖書罰款 set 實收金額=";
    sql += Edit4->Text + ", 是否交款=1 where 罰款編號='";
    sql += Table1->FieldByName("罰款編號")->AsString;
    sql += "'";
    pQuery->SQL->Add(sql);
    pQuery->ExecSQL();
    delete pQuery;
    // 更新顯示
    BitBtn1Click(NULL);
}
//---------------------------------------------------------------------------
void __fastcall TfmBookFine::BitBtn1Click(TObject *Sender)
{
    // 注意這里的代碼
    // 因為DBGrid只顯示沒有歸還的數據
    // 所以要繼承搜索按鈕
    // 添加filter屬性
    TfmParent::BitBtn1Click(Sender);
    AnsiString szFilter;
    szFilter = Table1->Filter;
    if(szFilter.Length()>0)
       szFilter += " and ";
    szFilter += "是否交款=0";
    Table1->Filtered = false;
    Table1->Filter = szFilter;
    Table1->Filtered = true;
    lblCount->Caption = "記錄數: " + IntToStr(Table1->RecordCount) ;
}
//---------------------------------------------------------------------------