VIẾT PHẦN MỀM QUẢN lý hộ KHẨU BẰNG C PHẦN 1

MÃ VIẾT PHẦN MẾM QUẢN LÝ HỘ KHẦU BẰNGC# 1.. mã phần nhập dữ liệu using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Data.OleDb;

MÃ VIẾT PHẦN MẾM QUẢN LÝ HỘ KHẦU BẰNG

C#

1 mã phần nhập dữ liệu

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Data.OleDb;

using System.IO;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Media;

using System.Windows.Forms;

namespace vidu5

{

public partial class nhaplieu : Form

{

public OleDbConnection mycon;

public OleDbDataAdapter myda;

public DataSet myds;

public DataTable mydt;

DataTable dtt;

DataView dw;

OleDbDataAdapter da;

Data dt = new Data();

int t, u;

public nhaplieu()

{

InitializeComponent();

}

private void nhaplieu_Load(object sender, EventArgs e)

{

dt.ketnoi();

hien();

Demdong();

hiennhap(false);

hienbutton(true);

this.CenterToScreen();// canh giữa màn hình

tim();

}

//code không cho form di

chuyen=============================================

===============================

protected override void WndProc(ref Message m)

{

const int WM_NCLBUTTONDOWN = 161;

const int WM_SYSCOMMAND = 274;

const int HTCAPTION = 2;

const int SC_MOVE = 61456;

if ((m.Msg == WM_SYSCOMMAND) &&

(m.WParam.ToInt32() == SC_MOVE))

{

return;

}

if ((m.Msg == WM_NCLBUTTONDOWN) &&

(m.WParam.ToInt32() == HTCAPTION))

{

return;

}

base.WndProc(ref m);

}

//====================================

private void Demdong()

{

//NếMu tôn tại dữ liệu trong

datagridview (trừ dòng trôMng ra nhe)

if (dtgcutru.RowCount > 0)

{

int iCount = -1;

for (int i = 0; i <=

dtgcutru.RowCount - 1; i++)

iCount++;

this.LB_TONG.Text =

iCount.ToString();

int iDem = 0;

for (int i = 0; i <=

dtgcutru.RowCount - 1; i++)

iDem++;

this.txtstt.Text = iDem.ToString();

}

else

{ MessageBox.Show("Không tìm được tến trong danh sách"); }

}

//================================================ private void lammoi()

{

txtstt.Clear();

txtsonha.Clear();

txthoten.Clear();

txtqhch.Clear();

txtnoisinh.Clear();

txtdantoc.Clear();

txttongiao.Clear();

txtnghenghiep.Clear();

txtcmnd.Clear();

}

//==================================

private void hiennhap(bool edit)

{

txtstt.Enabled = edit;

}

//=================================

private void hienbutton(bool edit)

{

btnthem.Visible = edit;

btnsua.Visible = edit;

btnxoa.Visible = edit;

btnluu.Visible = !edit;

btnhuy.Visible = !edit;

}

//==============================

private void hien()

{

dt.datagrid("SELECT * FROM tblcutru"); this.dtgcutru.DataSource = dt.mydt;

this.dtgcutru.AutoGenerateColumns = false;

}

//===============================

private void btnthem_Click_1(object sender, EventArgs e)

{

lammoi();

hiennhap(true);

hienbutton(false);

txtsonha.Focus();

Demdong();

t = 0;

}

private void btnluu_Click_1(object sender, EventArgs e)

{

if (txtstt.TextLength == 0 ||

txtsonha.TextLength == 0 || txthoten.TextLength ==

0 || txtqhch.TextLength == 0 ||

txtnoisinh.TextLength == 0 || txtdantoc.TextLength

== 0 || txttongiao.TextLength == 0 ||

txtnghenghiep.TextLength == 0)

{

MessageBox.Show("THÔNG TIN KHÔNG ĐƯỢC BOd TRÔMNG");

}

else

{

try

{

if (t == 0)

{

dt.command("INSERT INTO tblcutru(stt,sonha,ap,hoten,qhch,namsinh,gioitinh,n oisinh,dantoc,tongiao,nghenghiep,cmnd)" +

"VALUES('" + txtstt.Text +

"','" + txtsonha.Text + "','" + cbbap.Text + "','"

+ txthoten.Text + "','" + txtqhch.Text + "','" + dtnamsinh.Value.ToShortDateString() + "', '" +

cbbgioitinh.Text + "','" + txtnoisinh.Text + "','"

+ txtdantoc.Text + "','" + txttongiao.Text + "','"

+ txtnghenghiep.Text + "','" + txtcmnd.Text +

"')");

dt.xoamyds();

hien();

Demdong();

hienbutton(true);

hiennhap(false);

}

else if (t == 1)

{

dt.command("UPDATE tblcutru SET stt='" + txtstt.Text + "',sonha='" +

txtsonha.Text + "',ap='" + cbbap.Text + "',hoten='"

+ txthoten.Text + "',qhch='" + txtqhch.Text +

"',namsinh='" + dtnamsinh.Value.ToShortDateString() + "',gioitinh='" + cbbgioitinh.Text + "',

noisinh='" + txtnoisinh.Text + "', dantoc='" +

txtdantoc.Text + "', tongiao='" + txttongiao.Text +

"', nghenghiep='" + txtnghenghiep.Text + "',

cmnd='" + txtcmnd.Text + "' WHERE stt='" +

txtstt.Text + "' ");

dt.xoamyds();

hien();

hienbutton(true);

hiennhap(false);

t = -1;

}

}

catch

{

MessageBox.Show("SôM thứ tự " + txtstt.Text + " đã tôn tại, nhập lại sôM khác");

}

}

}

private void btnxoa_Click(object sender, EventArgs e)

{

if (u != 1)

MessageBox.Show("Chưa chọn dữ

liệu!", "Thông báo", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);

else if (MessageBox.Show("Bạn có muôMn xóa không?", "Thông báo", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)

{

dt.command("DELETE FROM tblcutru WHERE stt='" + txtstt.Text + "' ");

dt.xoamyds();

hien();

Demdong();

lammoi();

}

}

private void btnsua_Click_1(object sender, EventArgs e)

{

hienbutton(false);

hiennhap(true);

txtstt.Enabled = false;

t = 1;

}

private void btnhuy_Click_1(object sender, EventArgs e)

{

lammoi();

hiennhap(false);

hienbutton(true);

}

private void btnthoat_Click(object sender, EventArgs e)

{

this.Close();

Form1 nhaplieu = new Form1();

nhaplieu.Show();

}

// vô hiệu hóa nút

X==========================

private const int CP_NOCLOSE_BUTTON =

0x200;

protected override CreateParams

CreateParams

{

get

{

CreateParams myCp =

base.CreateParams;

myCp.ClassStyle = myCp.ClassStyle | CP_NOCLOSE_BUTTON;

return myCp;

}

}

private void

dtgcutru_CellContentClick_1(object sender,

DataGridViewCellEventArgs e)

{

try

{

if (t == 0 || t == 1)

u = 1;

int row = e.RowIndex;

txtstt.Text = dt.mydt.Rows[row] ["stt"].ToString();

txtsonha.Text = dt.mydt.Rows[row] ["sonha"].ToString();

cbbap.Text = dt.mydt.Rows[row]

["ap"].ToString();

txthoten.Text = dt.mydt.Rows[row] ["hoten"].ToString();

txtqhch.Text = dt.mydt.Rows[row] ["qhch"].ToString();

dtnamsinh.Text = dt.mydt.Rows[row] ["namsinh"].ToString();

cbbgioitinh.Text =

dt.mydt.Rows[row]["gioitinh"].ToString();

txtnoisinh.Text = dt.mydt.Rows[row] ["noisinh"].ToString();

txtdantoc.Text = dt.mydt.Rows[row] ["dantoc"].ToString();

txttongiao.Text = dt.mydt.Rows[row] ["tongiao"].ToString();

txtnghenghiep.Text =

dt.mydt.Rows[row]["nghenghiep"].ToString();

txtcmnd.Text = dt.mydt.Rows[row] ["cmnd"].ToString();

}

catch (Exception ex)

{

MessageBox.Show(ex.Message);

}

}

//=================================================

============================

#region Enter xuôMng dòng

private void txtsonha_KeyPress_1(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

cbbap.Focus();

}

}

private void cbbap_KeyPress(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

txthoten.Focus();

}

}

private void txthoten_KeyPress(object

sender, KeyPressEventArgs e)

{

e.KeyChar =

char.Parse(e.KeyChar.ToString().ToUpper());

if (e.KeyChar == 13)

{

txtqhch.Focus();

}

}

private void txtqhch_KeyPress(object

sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

dtnamsinh.Focus();

}

}

private void cbbgioitinh_KeyPress_1(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

txtnoisinh.Focus();

}

}

private void txtnoisinh_KeyPress(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

txtdantoc.Focus();

}

}

private void txtdantoc_KeyPress(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

txttongiao.Focus();

}

}

private void txttongiao_KeyPress(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

txtnghenghiep.Focus();

}

}

private void

txtnghenghiep_KeyPress_1(object sender,

KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

txtcmnd.Focus();

}

}

private void txtcmnd_KeyPress(object

sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

button1.Focus();

}

}

private void btnluu_KeyPress(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

btnluu.Focus();

}

}

private void dtnamsinh_KeyPress(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

cbbgioitinh.Focus();

}

}

private void btnthem_KeyPress(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 13)

{

btnthem.Focus();

}

}

#endregion

//====================================== #region các mennu

private void

lPAToolStripMenuItem_Click_1(object sender, EventArgs e)

{

LPA nhaplieu = new LPA();

nhaplieu.Show();

}

private void

lAAToolStripMenuItem_Click_1(object sender, EventArgs e)

{

LAA nhaplieu = new LAA();

nhaplieu.Show();

}

private void

lTToolStripMenuItem_Click_1(object sender, EventArgs e)

{

LT nhaplieu = new LT();

nhaplieu.Show();

}

private void

aPToolStripMenuItem_Click_1(object sender, EventArgs e)

{

AP nhaplieu = new AP();

nhaplieu.Show();

}

private void

tDToolStripMenuItem_Click_1(object sender, EventArgs e)

{

TD nhaplieu = new TD();

nhaplieu.Show();

}

private void

pĐToolStripMenuItem_Click_1(object sender, EventArgs e)

{

PĐ nhaplieu = new PĐ();

nhaplieu.Show();

}

private void

tÌMTHEOHỌTÊNToolStripMenuItem_Click_1(object sender, EventArgs e)

{

frmtim nhaplieu = new frmtim();

nhaplieu.Show();

}

private void

tÌMTHEOSÔMNHÀToolStripMenuItem_Click_1(object

sender, EventArgs e)

{

frmtim_sonha nhaplieu = new

frmtim_sonha();

nhaplieu.Show();

}

private void

sAOLƯUDLToolStripMenuItem_Click_1(object sender, EventArgs e)

{

string dbFileName = "cutru.mdb";

string CurrentDatabasePath =

Path.Combine(Environment.CurrentDirectory,

dbFileName);

string backTimeStamp =

Path.GetFileNameWithoutExtension(dbFileName) + "_"

+ DateTime.Now.Year.ToString("yyyy-MM-dd") +

Path.GetExtension(dbFileName);

string destFileName = backTimeStamp + dbFileName;

FolderBrowserDialog fbd = new

FolderBrowserDialog();

if (fbd.ShowDialog() ==

DialogResult.OK)

{

string PathtobackUp =

fbd.SelectedPath.ToString();

destFileName =

Path.Combine(PathtobackUp, destFileName);

File.Copy(CurrentDatabasePath,

destFileName, true);

MessageBox.Show("successful Backup!

");

}

}

private void

tÁCGIAdToolStripMenuItem_Click_1(object sender,

EventArgs e)

{

Thongtintacgia nhaplieu = new

Thongtintacgia();

nhaplieu.Show();

}

#endregion

private void button1_Click(object sender, EventArgs e)

{

if (txtsonha.TextLength == 0 ||

txthoten.TextLength == 0)

{

MessageBox.Show("CHƯA CÓ TÊN ĐÊd KIÊdM TRA");

}

else

{

try

{

kiemtratrungdulieu();

}

catch

{}

}

}

public void kiemtratrungdulieu()

{

for (int i = 0; i < dtgcutru.Rows.Count

- 1; i++)

{

if (txtsonha.Text ==

dtgcutru.Rows[i].Cells[1].Value.ToString() &

cbbap.Text ==

dtgcutru.Rows[i].Cells[2].Value.ToString() &

txthoten.Text ==

dtgcutru.Rows[i].Cells[3].Value.ToString())

{

MessageBox.Show("HỌ VÀ TÊN: " + txthoten.Text +" ĐÃ CÓ TRONG TÀNG THƯ, ĐÊ NGHỊ XEM LẠI!");

}

}

}

private void

tÌMTHEONĂMSINHToolStripMenuItem_Click(object

sender, EventArgs e)

{

timnamsinh nhaplieu = new timnamsinh(); nhaplieu.Show();

}

private void tim()

{

OleDbConnection con = new

OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;D ata Source=cutru.mdb");

da = new OleDbDataAdapter("select * from tblcutru", con);

dtt = new DataTable("tblcutru");

da.Fill(dtt);

dw = new DataView(dtt);

dtgcutru.DataSource = dw;

string timhoten = txthoten.Text;

dw.RowFilter = "hoten like'" +

txthoten.Text + "%' ";

dtgcutru.DataSource = dw;

}

}

}

2 Phần kết nối C# với access2003

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Data;

using System.Data.OleDb;

using System.Windows.Forms;

namespace vidu5

{

#region "Access"

class Data

{

public OleDbConnection mycon;

public OleDbDataAdapter myda;

public DataSet myds;

public DataTable mydt;

private OleDbCommand mycom;

public void ketnoi()

{

try

{

mycon = new

OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;D ata Source=cutru.mdb");

mycon.Open();

}

catch (Exception ex)

{

MessageBox.Show (ex.Message);

}

}

public void ngatketnoi()

{

mycon.Close();

}

public void command(string luusql)

{

mycom = new OleDbCommand(luusql, mycon);

mycom.ExecuteNonQuery();

}

public void xoamyds()

{

myds.Clear();

}

public DataTable taobang(string sql)

{

DataTable mydt = new DataTable();

OleDbDataAdapter myda = new

OleDbDataAdapter();

myda.Fill(mydt);

return (mydt);

}

public void datagrid(string all)

{

myda = new OleDbDataAdapter(all, mycon);

myds = new DataSet();

myda.Fill(myds, "tblcutru");

mydt = myds.Tables["tblcutru"]; }

}