333 lines
7 KiB
C#
333 lines
7 KiB
C#
using System;
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using System.Collections;
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using System.Data;
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using System.Data.SqlClient;
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using Gtk;
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using Gdk;
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using Gnome;
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using GtkSharp;
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public class BrowseTab : VBox
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{
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private Button goFirst;
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private Button goPrev;
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private Button goNext;
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private Button goLast;
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private TextView id;
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private TextView nameData;
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private TextView address;
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public BrowseTab () : base (false, 0)
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{
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Table table = new Table (3, 3, true);
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table.Attach (new Label ("ID: "), 0, 1, 0, 1);
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table.Attach (new Label ("Name: "), 0, 1, 1, 2);
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table.Attach (new Label ("Address: "), 0, 1, 2, 3);
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table.Attach (ID, 1, 2, 0, 1);
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table.Attach (NameData, 1, 2, 1, 2);
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table.Attach (Address, 1, 2, 2, 3);
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HBox hbox = new HBox (false, 0);
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hbox.PackStart (ButtonFirst);
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hbox.PackStart (ButtonPrev);
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hbox.PackStart (ButtonNext);
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hbox.PackStart (ButtonLast);
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this.PackStart (table, false, false, 0);
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this.PackStart (hbox, false, false, 0);
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}
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public Widget ButtonFirst
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{
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get {
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if (goFirst == null)
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goFirst = Button.NewFromStock (Stock.GotoFirst);
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return goFirst;
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}
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}
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public Widget ButtonPrev
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{
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get {
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if (goPrev == null)
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goPrev = Button.NewFromStock (Stock.GoBack);
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return goPrev;
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}
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}
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public Widget ButtonNext
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{
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get {
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if (goNext == null)
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goNext = Button.NewFromStock (Stock.GoForward);
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return goNext;
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}
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}
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public Widget ButtonLast
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{
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get {
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if (goLast == null)
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goLast = Button.NewFromStock (Stock.GotoLast);
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return goLast;
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}
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}
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public Widget ID
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{
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get {
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if (id == null)
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id = new TextView ();
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return id;
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}
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}
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public Widget NameData
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{
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get {
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if (nameData == null)
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nameData = new TextView ();
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return nameData;
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}
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}
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public Widget Address
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{
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get {
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if (address == null)
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address = new TextView ();
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return address;
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}
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}
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}
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public class GtkDbClient {
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static Window window;
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static Notebook notebook = null;
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static BrowseTab browse;
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static void Main ()
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{
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Application.Init ();
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window = new Window ("Database client");
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window.DeleteEvent += new DeleteEventHandler (Window_Delete);
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VBox box = new VBox (false, 0);
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notebook = new Notebook ();
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box.PackStart (CreateMenu (), false, false, 0);
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box.PackStart (notebook, false, false, 0);
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browse = new BrowseTab ();
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AddPage ("Browse", browse);
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AddPage ("Insert", new Label ("Insert"));
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AddPage ("Remove", new Label ("Remove"));
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AddPage ("Update", new Label ("Update"));
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window.Add (box);
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window.ShowAll ();
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Application.Run ();
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}
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static Gtk.MenuBar CreateMenu ()
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{
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MenuBar mb = new MenuBar ();
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Menu file_menu = new Menu ();
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ImageMenuItem close_item = new ImageMenuItem ("Close");
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close_item.Image = new Image (Stock.Close, IconSize.Menu);
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ImageMenuItem quit_item = new ImageMenuItem ("Quit");
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quit_item.Image = new Image (Stock.Quit, IconSize.Menu);
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quit_item.Activated += new EventHandler (Quit_Activated);
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file_menu.Append (new SeparatorMenuItem ());
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file_menu.Append (close_item);
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file_menu.Append (quit_item);
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MenuItem file_item = new MenuItem ("_File");
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file_item.Submenu = file_menu;
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mb.Append (file_item);
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Menu help_menu = new Menu ();
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MenuItem help_item = new MenuItem ("_Help");
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help_item.Submenu = help_menu;
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MenuItem about = new MenuItem ("About");
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about.Activated += new EventHandler (About_Box);
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help_menu.Append (about);
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mb.Append (help_item);
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return mb;
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}
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static void AddPage (string title, Widget child)
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{
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notebook.AppendPage (child, new Label (title));
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}
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static void About_Box (object o, EventArgs args)
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{
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string [] authors = new string [] {
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"Rodrigo Moya (rodrigo@ximian.com",
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"Gonzalo Paniagua (gonzalo@ximian.com)",
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"Duncan Mak (duncan@ximian.com)",
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};
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string [] documenters = new string [] {};
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Gnome.About about = new Gnome.About ("Gtk# Db Client", "0.1",
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"Copyright (C) 2002, Ximian Inc.",
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"A Sample Database client",
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authors, documenters, "", new Pixbuf ());
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about.Show ();
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}
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static void Window_Delete (object o, DeleteEventArgs args)
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{
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Application.Quit ();
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args.RetVal = true;
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}
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static void Quit_Activated (object o, EventArgs args)
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{
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Application.Quit ();
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}
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}
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class DbData
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{
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private uint id;
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private string name;
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private string address;
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private DbData () {}
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public DbData (uint id, string name, string address)
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{
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this.id = id;
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this.name = name;
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this.address = address;
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}
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public uint Id
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{
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get { return id; }
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}
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public string Name
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{
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get { return name; }
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}
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public string Address
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{
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get { return address; }
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}
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}
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class IdConnection : IDisposable
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{
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private SqlConnection cnc;
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private bool disposed;
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public IdConnection ()
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{
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cnc = new SqlConnection ();
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string connectionString = "hostaddr=127.0.0.1;" +
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"user=monotest;" +
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"password=monotest;" +
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"dbname=monotest";
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cnc.ConnectionString = connectionString;
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try {
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cnc.Open ();
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} catch (Exception){
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cnc = null;
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throw;
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}
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}
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public void Insert (uint id, string name, string address)
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{
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string insertCmd = String.Format ("INSERT INTO customers VALUES ({0}, '{1}', '{2}')",
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id, name.Trim (), address.Trim ());
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IDbCommand insertCommand = cnc.CreateCommand();
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insertCommand.CommandText = insertCmd;
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insertCommand.ExecuteNonQuery ();
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}
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public void Delete (int id)
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{
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string deleteCmd = String.Format ("DELETE FROM customers WHERE id = {0}", id);
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IDbCommand deleteCommand = cnc.CreateCommand();
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deleteCommand.CommandText = deleteCmd;
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deleteCommand.ExecuteNonQuery ();
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}
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public bool Update (int id, string name, string address)
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{
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string updateCmd = String.Format ("UPDATE customers SET name = '{1}', address = '{2}' WHERE id = {0}",
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id, name.Trim (), address.Trim ());
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IDbCommand updateCommand = cnc.CreateCommand();
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updateCommand.CommandText = updateCmd;
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bool updated = false;
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return (updateCommand.ExecuteNonQuery () != 0);
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}
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public ArrayList SelectAll ()
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{
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IDbCommand selectCommand = cnc.CreateCommand();
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string selectCmd = "SELECT id, name, address FROM customers ORDER by id";
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selectCommand.CommandText = selectCmd;
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IDataReader reader = selectCommand.ExecuteReader ();
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return FillDataList (reader);
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}
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public DbData Select (int id)
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{
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IDbCommand selectCommand = cnc.CreateCommand();
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string selectCmd = "SELECT id, name, address FROM customers WHERE id = " + id;
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selectCommand.CommandText = selectCmd;
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IDataReader reader = selectCommand.ExecuteReader ();
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ArrayList list = FillDataList (reader);
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return (DbData) list [0];
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}
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private ArrayList FillDataList (IDataReader reader)
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{
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ArrayList list = new ArrayList ();
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while (reader.Read ()) {
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DbData data = new DbData ((uint) reader.GetValue (0),
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(string) reader.GetValue (1),
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(string) reader.GetValue (2));
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list.Add (data);
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}
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return list;
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}
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protected virtual void Dispose (bool exp)
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{
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if (!disposed && cnc != null) {
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disposed = true;
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try {
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cnc.Close ();
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} catch (Exception) {
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}
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cnc = null;
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}
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}
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public void Dispose ()
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{
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Dispose (true);
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GC.SuppressFinalize (this);
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}
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~IdConnection ()
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{
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Dispose (false);
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}
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}
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