private void LoadGridView()
{
using (var db = new ThuVien())
{
gridControl.DataSource = db.PhieuMuon.Select(x => new { maphieumuon = x.maphieumuon, nguoimuon = x.DocGia.hoten, ngaymuon = x.ngaymuon, soluong = x.Sach.Count }).ToList();
}
}
private void UpdateGridView()
{
using (var db = new ThuVien())
{
gridControl.DataSource = db.TacGia.ToList();
}
}
private void LoadGrid()
{
using (var db = new ThuVien())
{
gridControl1.DataSource = db.Sach.Select(s => new { masach = s.masach, tensach = s.tensach, gioithieu = s.gioithieu, theloai = s.TheLoai.tentheloai, tacgia = s.TacGia.tentacgia }).ToList();
}
}
private void FormPhieuMuon_Load(object sender, EventArgs e)
{
LoadGridView();
using (var db = new ThuVien())
{
luDocGia.Properties.DataSource = db.DocGia.Select(dg => new { ID = dg.madocgia, Name = dg.hoten }).ToList();
}
}
private void btnThem_Click(object sender, EventArgs e)
{
using (var db = new ThuVien())
{
db.Sach.Add(Current);
db.SaveChanges();
}
LoadGrid();
}
public FormMenu(int userID)
{
InitializeComponent();
this.userID = userID;
using (var db = new ThuVien())
{
statusLabel.Caption = "Xin chào, " + db.User.First(u => u.id == userID).hoten;
}
}
private void simpleButton1_Click(object sender, EventArgs e)
{
using (var db = new ThuVien())
{
db.DocGia.Add(new DocGia {
madocgia = txtID.Text, hoten = txtName.Text, diachi = txtAddr.Text, sodienthoai = txtSDT.Text
});
db.SaveChanges();
}
UpdateGridView();
}
private void barButtonItem1_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
// Them
using (var db = new ThuVien()) {
db.PhieuMuon.Add(new PhieuMuon {
maphieumuon = txtMaPhieu.Text, nguoimuon = luDocGia.EditValue as string, ngaymuon = (DateTime)calendar.EditValue
});
db.SaveChanges();
}
LoadGridView();
}
private void Init()
{
LoadGrid();
// Load combo boxes
using (var db = new ThuVien())
{
ApplyComboBox(cbTacGia, db.TacGia.ToList(), "tentacgia", "matacgia");
ApplyComboBox(cbTheLoai, db.TheLoai.ToList(), "tentheloai", "matheloai");
}
}
private void simpleButton1_Click(object sender, EventArgs e)
{
using (var db = new ThuVien())
{
db.TheLoai.Add(new TheLoai {
matheloai = txtID.Text, tentheloai = txtName.Text
});
db.SaveChanges();
}
UpdateGridView();
}
public void LoadData()
{
using (var db = new ThuVien())
{
var phieu = db.PhieuMuon.First(pm => pm.maphieumuon == id);
var list = phieu.Sach.ToList();
var hashs = new HashSet <int>(list.Select(x => x.masach).ToList());
listMuon.DataSource = list.Select(s => new { ID = s.masach, Name = s.tensach }).ToList();
listKho.DataSource = db.Sach.Where(s => !hashs.Contains(s.masach)).Select(s => new { ID = s.masach, Name = s.tensach }).ToList();
}
}
private void gridView_DoubleClick(object sender, EventArgs e)
{
if (gridView1.GetFocusedRow() != null)
{
using (var db = new ThuVien())
{
var id = (int)gridView1.GetFocusedRowCellValue("masach");
Current = db.Sach.First(s => s.masach == id);
}
}
}
private void simpleButton1_Click(object sender, EventArgs e)
{
using (var db = new ThuVien())
{
db.TacGia.Add(new TacGia {
matacgia = txtID.Text, tentacgia = txtName.Text, gioithieu = txtGioiThieu.Text
});
db.SaveChanges();
}
UpdateGridView();
}
private void btnXoa_Click(object sender, EventArgs e)
{
if (gridView1.GetFocusedRow() != null)
{
using (var db = new ThuVien())
{
var id = (int)gridView1.GetFocusedRowCellValue("masach");
db.Sach.Remove(db.Sach.First(s => s.masach == id));
db.SaveChanges();
}
LoadGrid();
}
}
private void simpleButton1_Click(object sender, EventArgs e)
{
if (listMuon.SelectedValue == null)
{
return;
}
var selected = (int)listMuon.SelectedValue;
using (var db = new ThuVien())
{
var phieu = db.PhieuMuon.First(pm => pm.maphieumuon == id);
phieu.Sach.Remove(db.Sach.First(s => s.masach == selected));
db.SaveChanges();
}
LoadData();
}
private void btnSua_Click(object sender, EventArgs e)
{
if (gridView1.GetFocusedRow() != null)
{
using (var db = new ThuVien())
{
var id = (int)gridView1.GetFocusedRowCellValue("masach");
var s = Current;
s.masach = id;
db.Sach.Attach(s);
db.Entry(s).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
}
LoadGrid();
}
}
private void simpleButton3_Click(object sender, EventArgs e)
{
GridView gridView = gridControl.MainView as GridView;
if (gridView.GetFocusedRow() == null)
{
return;
}
string id = (gridView.GetFocusedRow() as TacGia).matacgia;
using (var db = new ThuVien())
{
db.TacGia.Remove(db.TacGia.First(x => x.matacgia == id));
db.SaveChanges();
}
UpdateGridView();
}
private void btnLogin_Click(object sender, EventArgs e)
{
using (var db = new ThuVien())
{
if (!db.User.Any(u => u.username == txtUsername.Text && u.password == txtPassword.Text))
{
MessageBox.Show("Đăng nhập không thành công !", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
else
{
var user = db.User.First(u => u.username == txtUsername.Text && u.password == txtPassword.Text);
Hide();
MessageBox.Show(String.Format("Đăng nhập thành công!\nXin chào {0}", user.hoten), "Thành công", MessageBoxButtons.OK, MessageBoxIcon.Information);
(new FormMenu(user.id)).Show();
}
}
}
private void barButtonItem3_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
// Xoa
var gridview = (GridView)gridControl.MainView;
var id = gridview.GetFocusedRowCellValue("maphieumuon") as string;
if (id == null)
{
return;
}
using (var db = new ThuVien())
{
var phieumuon = db.PhieuMuon.First(pm => pm.maphieumuon == id);
db.PhieuMuon.Remove(phieumuon);
db.SaveChanges();
}
LoadGridView();
}
private void simpleButton2_Click(object sender, EventArgs e)
{
GridView gridView = gridControl.MainView as GridView;
if (gridView.GetFocusedRow() == null)
{
return;
}
string id = (gridView.GetFocusedRow() as TheLoai).matheloai;
using (var db = new ThuVien())
{
var tl = db.TheLoai.First(x => x.matheloai == id);
tl.tentheloai = txtName.Text;
db.SaveChanges();
}
UpdateGridView();
}
private void simpleButton2_Click(object sender, EventArgs e)
{
GridView gridView = gridControl.MainView as GridView;
if (gridView.GetFocusedRow() == null)
{
return;
}
string id = (gridView.GetFocusedRow() as TacGia).matacgia;
using (var db = new ThuVien())
{
var tg = db.TacGia.First(x => x.matacgia == id);
tg.tentacgia = txtName.Text;
tg.gioithieu = txtGioiThieu.Text;
db.SaveChanges();
}
UpdateGridView();
}
private void barButtonItem2_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
// Cap nhat
var gridview = (GridView)gridControl.MainView;
var id = gridview.GetFocusedRowCellValue("maphieumuon") as string;
if (id == null)
{
return;
}
using (var db = new ThuVien())
{
var phieumuon = db.PhieuMuon.First(pm => pm.maphieumuon == id);
phieumuon.ngaymuon = (DateTime)calendar.EditValue;
phieumuon.nguoimuon = (string)luDocGia.EditValue;
db.SaveChanges();
}
LoadGridView();
}
private void simpleButton2_Click(object sender, EventArgs e)
{
GridView gridView = gridControl.MainView as GridView;
if (gridView.GetFocusedRow() == null)
{
return;
}
string id = (gridView.GetFocusedRow() as DocGia).madocgia;
using (var db = new ThuVien())
{
var dg = db.DocGia.First(x => x.madocgia == id);
dg.hoten = txtName.Text;
dg.sodienthoai = txtSDT.Text;
dg.diachi = txtAddr.Text;
db.SaveChanges();
}
UpdateGridView();
}
private void simpleButton1_Click(object sender, EventArgs e)
{
string s1 = txt1.EditValue as string;
string s2 = txt1.EditValue as string;
if (!s1.Equals(s2))
{
XtraMessageBox.Show(this, "Mật khẩu nhập lại không chính xác!", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
else if (s1.Length < 6)
{
XtraMessageBox.Show(this, "Mật khẩu tối thiểu 6 ký tự!", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
using (var db = new ThuVien())
{
db.User.First(u => u.id == userID).password = s1;
db.SaveChanges();
XtraMessageBox.Show(this, "Đổi mật khẩu thành công", "Succes", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
