winform1.pas.~2~

《Delphi 2005程序设计及其应用开发》源代码

unit WinForm1;

interface

uses
  System.Drawing, System.Collections, System.ComponentModel,
  System.Windows.Forms, System.Data, Borland.Data.Common, Borland.Data.Provider, 
  System.Globalization, System.Data.Common;

type
  TWinForm2 = class(System.Windows.Forms.Form)
  {$REGION 'Designer Managed Code'}
  strict private
    /// <summary>
    /// Required designer variable.
    /// </summary>
    Components: System.ComponentModel.Container;
    DataGrid1: System.Windows.Forms.DataGrid;
    GroupBox2: System.Windows.Forms.GroupBox;
    Button1: System.Windows.Forms.Button;
    TextBox1: System.Windows.Forms.TextBox;
    Label2: System.Windows.Forms.Label;
    ComboBox1: System.Windows.Forms.ComboBox;
    Label1: System.Windows.Forms.Label;
    BdpConnection1: Borland.Data.Provider.BdpConnection;
    BdpDataAdapter1: Borland.Data.Provider.BdpDataAdapter;
    bdpSelectCommand1: Borland.Data.Provider.BdpCommand;
    bdpInsertCommand1: Borland.Data.Provider.BdpCommand;
    bdpUpdateCommand1: Borland.Data.Provider.BdpCommand;
    bdpDeleteCommand1: Borland.Data.Provider.BdpCommand;
    DataGridTableStyle1: System.Windows.Forms.DataGridTableStyle;
    Column1: System.Windows.Forms.DataGridTextBoxColumn;
    Column2: System.Windows.Forms.DataGridTextBoxColumn;
    Column3: System.Windows.Forms.DataGridTextBoxColumn;
    Column4: System.Windows.Forms.DataGridTextBoxColumn;
    Column5: System.Windows.Forms.DataGridTextBoxColumn;
    Column6: System.Windows.Forms.DataGridTextBoxColumn;
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    procedure InitializeComponent;
    procedure QueryBtn_Click(sender: System.Object; e: System.EventArgs);
    procedure TWinForm2_Load(sender: System.Object; e: System.EventArgs);
    procedure ComboBox1_SelectedIndexChanged(sender: System.Object; e: System.EventArgs);
  {$ENDREGION}
  strict protected
    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    procedure Dispose(Disposing: Boolean); override;
  private
    { Private Declarations }
    SearchField : String;
  public
    constructor Create;
  end;

  [assembly: RuntimeRequiredAttribute(TypeOf(TWinForm2))]

implementation

{$REGION 'Windows Form Designer generated code'}
/// <summary>
/// Required method for Designer support -- do not modify
/// the contents of this method with the code editor.
/// </summary>
procedure TWinForm2.InitializeComponent;
type
  TArrayOfSystem_Windows_Forms_DataGridTableStyle = array of System.Windows.Forms.DataGridTableStyle;
  TArrayOfSystem_Windows_Forms_DataGridColumnStyle = array of System.Windows.Forms.DataGridColumnStyle;
  TArrayOfSystem_Object = array of System.Object;
  TArrayOfSystem_Data_Common_DataTableMapping = array of System.Data.Common.DataTableMapping;
  TArrayOfSystem_Data_Common_DataColumnMapping = array of System.Data.Common.DataColumnMapping;
begin
  Self.DataGrid1 := System.Windows.Forms.DataGrid.Create;
  Self.DataGridTableStyle1 := System.Windows.Forms.DataGridTableStyle.Create;
  Self.Column1 := System.Windows.Forms.DataGridTextBoxColumn.Create;
  Self.Column2 := System.Windows.Forms.DataGridTextBoxColumn.Create;
  Self.Column3 := System.Windows.Forms.DataGridTextBoxColumn.Create;
  Self.Column4 := System.Windows.Forms.DataGridTextBoxColumn.Create;
  Self.Column5 := System.Windows.Forms.DataGridTextBoxColumn.Create;
  Self.Column6 := System.Windows.Forms.DataGridTextBoxColumn.Create;
  Self.GroupBox2 := System.Windows.Forms.GroupBox.Create;
  Self.Button1 := System.Windows.Forms.Button.Create;
  Self.TextBox1 := System.Windows.Forms.TextBox.Create;
  Self.Label2 := System.Windows.Forms.Label.Create;
  Self.ComboBox1 := System.Windows.Forms.ComboBox.Create;
  Self.Label1 := System.Windows.Forms.Label.Create;
  Self.BdpConnection1 := Borland.Data.Provider.BdpConnection.Create;
  Self.bdpSelectCommand1 := Borland.Data.Provider.BdpCommand.Create;
  Self.bdpInsertCommand1 := Borland.Data.Provider.BdpCommand.Create;
  Self.bdpUpdateCommand1 := Borland.Data.Provider.BdpCommand.Create;
  Self.bdpDeleteCommand1 := Borland.Data.Provider.BdpCommand.Create;
  Self.BdpDataAdapter1 := Borland.Data.Provider.BdpDataAdapter.Create;
  (System.ComponentModel.ISupportInitialize(Self.DataGrid1)).BeginInit;
  Self.GroupBox2.SuspendLayout;
  (System.ComponentModel.ISupportInitialize(Self.BdpDataAdapter1)).BeginInit;
  Self.SuspendLayout;
  // 
  // DataGrid1
  // 
  Self.DataGrid1.DataMember := '';
  Self.DataGrid1.Dock := System.Windows.Forms.DockStyle.Bottom;
  Self.DataGrid1.HeaderForeColor := System.Drawing.SystemColors.ControlText;
  Self.DataGrid1.Location := System.Drawing.Point.Create(0, 63);
  Self.DataGrid1.Name := 'DataGrid1';
  Self.DataGrid1.Size := System.Drawing.Size.Create(413, 238);
  Self.DataGrid1.TabIndex := 8;
  Self.DataGrid1.TableStyles.AddRange(TArrayOfSystem_Windows_Forms_DataGridTableStyle.Create(Self.DataGridTableStyle1));
  // 
  // DataGridTableStyle1
  // 
  Self.DataGridTableStyle1.DataGrid := Self.DataGrid1;
  Self.DataGridTableStyle1.GridColumnStyles.AddRange(TArrayOfSystem_Windows_Forms_DataGridColumnStyle.Create(Self.Column1, 
          Self.Column2, Self.Column3, Self.Column4, Self.Column5, Self.Column6));
  Self.DataGridTableStyle1.HeaderForeColor := System.Drawing.SystemColors.ControlText;
  Self.DataGridTableStyle1.MappingName := 'Score';
  // 
  // Column1
  // 
  Self.Column1.Format := '';
  Self.Column1.FormatInfo := nil;
  Self.Column1.HeaderText := '学号';
  Self.Column1.MappingName := 'StudentID';
  Self.Column1.Width := 75;
  // 
  // Column2
  // 
  Self.Column2.Format := '';
  Self.Column2.FormatInfo := nil;
  Self.Column2.HeaderText := '姓名';
  Self.Column2.MappingName := 'StudentName';
  Self.Column2.Width := 75;
  // 
  // Column3
  // 
  Self.Column3.Format := '';
  Self.Column3.FormatInfo := nil;
  Self.Column3.HeaderText := '班级';
  Self.Column3.MappingName := 'Class';
  Self.Column3.Width := 75;
  // 
  // Column4
  // 
  Self.Column4.Format := '';
  Self.Column4.FormatInfo := nil;
  Self.Column4.HeaderText := '课程号';
  Self.Column4.MappingName := 'CourseID';
  Self.Column4.Width := 75;
  // 
  // Column5
  // 
  Self.Column5.Format := '';
  Self.Column5.FormatInfo := nil;
  Self.Column5.HeaderText := '课程名称';
  Self.Column5.MappingName := 'CourseName';
  Self.Column5.Width := 75;
  // 
  // Column6
  // 
  Self.Column6.Format := '';
  Self.Column6.FormatInfo := nil;
  Self.Column6.HeaderText := '成绩';
  Self.Column6.MappingName := 'Scores';
  Self.Column6.Width := 75;
  // 
  // GroupBox2
  // 
  Self.GroupBox2.Controls.Add(Self.Button1);
  Self.GroupBox2.Controls.Add(Self.TextBox1);
  Self.GroupBox2.Controls.Add(Self.Label2);
  Self.GroupBox2.Controls.Add(Self.ComboBox1);
  Self.GroupBox2.Controls.Add(Self.Label1);
  Self.GroupBox2.Dock := System.Windows.Forms.DockStyle.Top;
  Self.GroupBox2.Location := System.Drawing.Point.Create(0, 0);
  Self.GroupBox2.Name := 'GroupBox2';
  Self.GroupBox2.Size := System.Drawing.Size.Create(413, 52);
  Self.GroupBox2.TabIndex := 9;
  Self.GroupBox2.TabStop := False;
  Self.GroupBox2.Text := '查询条件';
  // 
  // Button1
  // 
  Self.Button1.Location := System.Drawing.Point.Create(327, 22);
  Self.Button1.Name := 'Button1';
  Self.Button1.Size := System.Drawing.Size.Create(62, 22);
  Self.Button1.TabIndex := 9;
  Self.Button1.Text := '查询';
  Include(Self.Button1.Click, Self.QueryBtn_Click);
  // 
  // TextBox1
  // 
  Self.TextBox1.Location := System.Drawing.Point.Create(229, 23);
  Self.TextBox1.Name := 'TextBox1';
  Self.TextBox1.Size := System.Drawing.Size.Create(83, 20);
  Self.TextBox1.TabIndex := 8;
  Self.TextBox1.Text := '';
  // 
  // Label2
  // 
  Self.Label2.Location := System.Drawing.Point.Create(187, 22);
  Self.Label2.Name := 'Label2';
  Self.Label2.Size := System.Drawing.Size.Create(44, 22);
  Self.Label2.TabIndex := 7;
  Self.Label2.Text := '查询值';
  // 
  // ComboBox1
  // 
  Self.ComboBox1.Items.AddRange(TArrayOfSystem_Object.Create('学号', '学生姓名', '班' +
        '级', '课程号', '课程名称'));
  Self.ComboBox1.Location := System.Drawing.Point.Create(76, 23);
  Self.ComboBox1.Name := 'ComboBox1';
  Self.ComboBox1.Size := System.Drawing.Size.Create(101, 21);
  Self.ComboBox1.TabIndex := 6;
  Include(Self.ComboBox1.SelectedIndexChanged, Self.ComboBox1_SelectedIndexChanged);
  // 
  // Label1
  // 
  Self.Label1.Location := System.Drawing.Point.Create(20, 22);
  Self.Label1.Name := 'Label1';
  Self.Label1.Size := System.Drawing.Size.Create(47, 22);
  Self.Label1.TabIndex := 5;
  Self.Label1.Text := '查询字段';
  // 
  // BdpConnection1
  // 
  Self.BdpConnection1.ConnectionOptions := 'transaction isolation=ReadCommit' +
  'ted;blobsize=1024';
  Self.BdpConnection1.ConnectionString := 'assembly=Borland.Data.Msacc,Versi' +
  'on=2.0.0.0,Culture=neutral,PublicKeyToken=91d62ebb5b0d1b1b;vendorclient=m' +
  'sjet40.dll;database=C:\Documents and Settings\David\Desktop\Delphi 8\BDP\' +
  'studentdb.mdb;provider=MSAccess;username=Admin;password=';
  // 
  // bdpSelectCommand1
  // 
  Self.bdpSelectCommand1.CommandOptions := nil;
  Self.bdpSelectCommand1.CommandText := 'SELECT Class, CourseID, CourseName,' +
  ' ID, Other, Scores, StudentID, StudentName FROM Score';
  Self.bdpSelectCommand1.CommandType := System.Data.CommandType.Text;
  Self.bdpSelectCommand1.Connection := Self.BdpConnection1;
  Self.bdpSelectCommand1.ParameterCount := (SmallInt(0));
  Self.bdpSelectCommand1.SchemaName := nil;
  Self.bdpSelectCommand1.Transaction := nil;
  Self.bdpSelectCommand1.UpdatedRowSource := System.Data.UpdateRowSource.None;
  // 
  // bdpInsertCommand1
  // 
  Self.bdpInsertCommand1.CommandOptions := nil;
  Self.bdpInsertCommand1.CommandText := 'INSERT INTO Score (Class, CourseID,' +
  ' CourseName, Other, Scores, StudentID, StudentName ) VALUES ( ?, ?, ?, ?,' +