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//class supplier
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ClassLibrary1.model
{
class supplier
{
public int ID { get; set; }
public string Name { get; set; }
public string info { get { return ID.ToString() + " " + Name; } set { info = value; } }
}
}
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//class supplier manager
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace ClassLibrary1.model
{
class supplier_manager
{
public static List<supplier> suppliers = new List<supplier>();
public static string file_path { get; set; }
public static void generate()
{
suppliers.Add(new supplier { ID = 1, Name = "aaa" });
suppliers.Add(new supplier { ID = 2, Name = "bbb" });
suppliers.Add(new supplier { ID = 3, Name = "ccc" });
}
public static void load()
{
if (suppliers != null)
{
suppliers.Clear();
}
FileStream stream = new FileStream(file_path, FileMode.Open, FileAccess.Read);
StreamReader reader = new StreamReader(stream);
string data = reader.ReadLine();
while (data != null)
{
try
{
string[] value = data.Split(',');
supplier s = new supplier();
s.ID = Convert.ToInt32(value[0]);
s.Name = value[1];
suppliers.Add(s);
}
catch (Exception e1)
{
}
data = reader.ReadLine();
}
stream.Close();
reader.Close();
}
public static void save()
{
FileStream stream = new FileStream(file_path, FileMode.Create, FileAccess.Write);
StreamWriter writter = new StreamWriter(stream);
foreach (supplier s in suppliers)
{
writter.WriteLine(s.ID + "," + s.Name);
}
writter.Close();
stream.Close();
}
}
}
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//supplier manager form
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ClassLibrary1.model;
namespace ClassLibrary1
{
public partial class supplier_manager_form : Form
{
public supplier_manager_form()
{
InitializeComponent();
}
private void supplier_manager_form_Load(object sender, EventArgs e)
{
//supplier_manager.generate();
}
private void base_function_Click(object sender, EventArgs e)
{
Process();
}
protected virtual void Process()
{
MessageBox.Show("base function");
}
private void load_Click(object sender, EventArgs e)
{
openFileDialog1.Filter = "Text|*.csv";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
supplier_manager.file_path = openFileDialog1.FileName;
supplier_manager.load();
refresh.PerformClick(); //call button click
}
}
private void save_Click(object sender, EventArgs e)
{
openFileDialog1.Filter = "Text|*.csv";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
supplier_manager.file_path = openFileDialog1.FileName;
supplier_manager.save();
}
}
public void refresh_Click(object sender, EventArgs e)
{
uxrecord.DataSource = null; //refresh listbox
uxrecord.DataSource = supplier_manager.suppliers;
uxrecord.DisplayMember = "info";
uxrecord.ValueMember = "ID";
}
}
}
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//maintance form
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ClassLibrary1.model;
namespace ClassLibrary1
{
public partial class maintance : Form
{
public maintance()
{
InitializeComponent();
}
private void add_Click(object sender, EventArgs e)
{
supplier s = new supplier();
try
{
s.ID = Convert.ToInt32(ID_textbox.Text);
s.Name = Name_textbox.Text;
supplier_manager.suppliers.Add(s);
}
catch (Exception e2)
{
}
}
private void delete_Click(object sender, EventArgs e)
{
supplier s = new supplier();
s = supplier_manager.suppliers.Find(x => x.ID == Convert.ToInt32(ID_textbox.Text));
if (s != null)
{
supplier_manager.suppliers.Remove(s);
}
}
private void search_ID_Click(object sender, EventArgs e)
{
supplier s = new supplier();
s = supplier_manager.suppliers.Find(x => x.ID == Convert.ToInt32(ID_textbox.Text));
if (s != null)
{
Name_textbox.Text = s.Name;
}
}
private void search_Name_Click(object sender, EventArgs e)
{
supplier s = new supplier();
s = supplier_manager.suppliers.Find(x => x.Name == Name_textbox.Text);
if (s != null)
{
ID_textbox.Text = s.ID.ToString();
}
}
}
}
--------------------------------------------------------------------------------------------------------------
//inherited supplier manager form
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace inheritant_form
{
public partial class inherited_supplier_manager_form : ClassLibrary1.supplier_manager_form
{
public inherited_supplier_manager_form()
{
InitializeComponent();
}
protected override void Process()
{
MessageBox.Show("override supplier manager function");
}
private void inherited_supplier_manager_form_FormClosing(object sender, FormClosingEventArgs e)
{
mdi.child_position = this.Location; //next form opens in current closed form position
mdi.supplier_manager_open = false; //only one type of form open at one time
}
}
}
---------------------------------------------------------------------------------------------------------
//inherited maintenance form
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace inheritant_form
{
public partial class inherited_maintance_form : ClassLibrary1.maintance
{
public inherited_maintance_form()
{
InitializeComponent();
}
private void inherited_maintance_form_FormClosing(object sender, FormClosingEventArgs e)
{
mdi.child_position = this.Location;
mdi.maintance_form_open = false;
}
}
}
-------------------------------------------------------------------------------------------------------------
//mdi parent form
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace inheritant_form
{
public partial class mdi : Form
{
public mdi()
{
InitializeComponent();
}
public static Point child_position { get; set; }
public static bool supplier_manager_open { get; set; }
public static bool maintance_form_open { get; set; }
private void supplierManagerToolStripMenuItem_Click(object sender, EventArgs e)
{
if (supplier_manager_open == false)
{
inherited_supplier_manager_form child = new inherited_supplier_manager_form();
child.MdiParent = this;
child.Show();
child.Location = child_position;
//next form open in different position
child_position = new Point(child_position.X + 50, child_position.Y + 50);
supplier_manager_open = true;
}
}
private void mdi_Load(object sender, EventArgs e)
{
child_position = new Point(20, 20);
}
private void maintanceToolStripMenuItem_Click(object sender, EventArgs e)
{
if (maintance_form_open == false)
{
inherited_maintance_form child = new inherited_maintance_form();
child.MdiParent = this;
child.Show();
child.Location = child_position;
child_position = new Point(child_position.X + 50, child_position.Y + 50);
maintance_form_open = true;
}
}
}
}
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