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procedure Tfrm_YQ_Lab.DataSource1DataChange(Sender: TObject;
Field: TField);
begin
FormActivate(Sender);
end;
procedure Tfrm_YQ_Lab.FormActivate(Sender: TObject);
begin
MainForm.StatusBar.Panels[1].Text:='仪器库纪录导航信息:第'+inttostr(DataSource1.DataSet.RecNo)+'笔纪录-总共'+inttostr(DataSource1.DataSet.RecordCount)+'笔纪录';
end;
procedure Tfrm_YQ_Lab.Table1CalcFields(DataSet: TDataSet);
begin
Table1Field_BeOut.Value:=false;
Table4.First;
while not Table4.Eof do
begin
if (Table4_YQBH.Value=Table1_YQBH.Value)and(Table4_GHRQ.Value='') then
begin
Table1Field_BeOut.Value:=True;
Table1Field_OutUserName.Value:=Table4_UserName.Value;
end;
Table4.Next;
end;
end;
procedure Tfrm_YQ_Lab.Query1CalcFields(DataSet: TDataSet);
begin
Query1Field_BeOut.Value:='否';
Table4.First;
while not Table4.Eof do
begin
if (Table4_YQBH.Value=Query1_YQBH.Value)and(Table4_GHRQ.Value='') then
begin
Query1Field_BeOut.AsString :='是';
Query1Field_OutUserName.Value:=Table4_UserName.Value;
end; 大学排名
Table4.Next;
end;
end;
end.
仪器借用库维护界面与代码设计实现及功能
代码设计:
unit Child_Borrow;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Mask, DBCtrls, ComCtrls, Db, DBTables, ExtCtrls, Grids,
DBGrids, Buttons;
type
Tfrm_Borrow = class(TForm)
Panel1: TPanel;
DBNavigator: TDBNavigator;
DataSource1: TDataSource;
Query1: TQuery;
DataSource2: TDataSource;
Table2: TTable;
Table1: TTable;
Panel3: TPanel;
PageControl1: TPageControl;
TabSheet1: TTabSheet;
Label8: TLabel;
Label7: TLabel;
Label6: TLabel;
Label5: TLabel;
Label2: TLabel;
Label1: TLabel;
Label3: TLabel;
Label4: TLabel;
Label9: TLabel;
EditDBEdit8: TDBEdit;
EditDBEdit5: TDBEdit;
EditDBEdit6: TDBEdit;
EditDBEdit7: TDBEdit;
EditDBEdit: TDBEdit;
EditDBEdit2: TDBEdit;
EditDBEdit3: TDBEdit;
&nb