本文整理汇总了C#中DatabaseHelper类的典型用法代码示例。如果您正苦于以下问题：C# DatabaseHelper类的具体用法？C# DatabaseHelper怎么用？C# DatabaseHelper使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
DatabaseHelper类属于命名空间，在下文中一共展示了DatabaseHelper类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Insert
public int Insert(DatabaseHelper help)
{
// insert
{
try
{
var t = new The_kho //Make sure you have a table called test in DB
{
Ma_vat_tu = this.Ma_vat_tu, // ID = Guid.NewGuid(),
Id_chat_luong = this.ID_chat_luong,
Don_vi = this.Don_vi,
Dia_diem = this.Dia_diem,
};
help.ent.The_kho.Add(t);
help.ent.SaveChanges();
return 1;
}
catch (Exception ex)
{
return 0;
}
}
}示例2: GetAll
// SqlConnection m_dbConnection = new SqlConnection(clsThamSoUtilities.connectionString);
public DataTable GetAll(string name, string mavattu, string tenvattu, string TenChatLuong)
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
using (var dbcxtransaction = help.ent.Database.BeginTransaction())
{
var dm = (from d in help.ent.Vat_Tu_Goi_Dau_Ky
join e in help.ent.DM_Vat_Tu on d.Ma_vat_tu equals e.Ma_vat_tu
join f in help.ent.DM_Kho on d.ID_kho equals f.ID_kho
join gl in help.ent.Chat_luong on d.ID_chat_luong equals gl.Id_chat_luong
where gl.Loai_chat_luong.Contains(TenChatLuong) && f.Ten_kho.Contains(name)&& e.Ten_vat_tu .Contains(tenvattu)
&& e.Ma_vat_tu.Contains(mavattu)
group d by new { d.Ma_vat_tu, e.Ten_vat_tu , f.Ten_kho,gl.Loai_chat_luong} into gs
let TotalPoints = gs.Sum(m => m.So_Luong)
orderby TotalPoints descending
select new
{
ten_kho = gs.Key.Ten_kho,
Chat_luong = gs.Key.Loai_chat_luong,
Ma_vat_tu = gs.Key.Ma_vat_tu,
ten_vat_tu = gs.Key.Ten_vat_tu,
so_luong = TotalPoints
}).ToList();
dbcxtransaction.Commit();
return Utilities.clsThamSoUtilities.ToDataTable(dm);
}
}示例3: Insert
public int Insert()
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
// insert
using (var dbcxtransaction = help.ent.Database.BeginTransaction())
{
try
{
var t = new User //Make sure you have a table called test in DB
{
User_name = this.User_name,
Password = this.Password, // ID = Guid.NewGuid(),
};
help.ent.Users.Add(t);
help.ent.SaveChanges();
dbcxtransaction.Commit();
return 1;
}
catch (Exception ex)
{
dbcxtransaction.Rollback();
return 0;
}
}
}示例4: Checkduplicaterows
// End GetAll
/// <summary>
/// Kiểm tra trùng lập trước khi ADD
/// </summary>
/// <returns></returns>
public bool Checkduplicaterows()
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
bool has = help.ent.DM_Vat_Tu.Any(cus => cus.Ma_vat_tu == Ma_vat_tu);
return has;
////Mở
//m_dbConnection.Open();
//DataTable dt = new DataTable();
////Chuẩn bị
//string sql = "";
//sql += "SELECT * FROM DM_Vat_Tu ";
//sql += "WHERE [email protected]_vat_tu";
//SqlCommand command = new SqlCommand(sql, m_dbConnection);
//command.Parameters.Add("@Ma_vat_tu", SqlDbType.Int).Value = Ma_vat_tu;
//command.CommandType = CommandType.Text;
////Run
//SqlDataAdapter da = new SqlDataAdapter(command);
//da.Fill(dt);
////Đóng
//m_dbConnection.Close();
//if (dt.Rows.Count > 0)
//{
// return true;
//}
//return false;
}示例5: getAll
/// <summary>
/// hàm tìm kiếm vật tư theo kho và chất lượng
/// </summary>
/// <param name="_ID_kho"></param>
/// <returns></returns>
public static DataTable getAll(string TenKho, string TenChatLuong,string tenvt, string mavt)
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
using (var dbcxtransaction = help.ent.Database.BeginTransaction())
{
var dm = (from d in help.ent.Ton_kho
join e in help.ent.DM_Vat_Tu on d.Ma_vat_tu equals e.Ma_vat_tu
join f in help.ent.DM_Kho on d.ID_kho equals f.ID_kho
join gl in help.ent.Chat_luong on d.Id_chat_luong equals gl.Id_chat_luong
where gl.Loai_chat_luong.Contains(TenChatLuong) && f.Ten_kho.Contains(TenKho)&& e.Ten_vat_tu .Contains(tenvt)
&& e.Ma_vat_tu.Contains(mavt) && (f.isKhoNgoai == false || f.isKhoNgoai ==null)
group d by new { d.Ma_vat_tu, e.Ten_vat_tu } into gs
let TotalPoints = gs.Sum(m => m.So_luong)
orderby TotalPoints descending
select new
{
Ma_vat_tu = gs.Key.Ma_vat_tu,
ten_vat_tu = gs.Key.Ten_vat_tu,
so_luong = TotalPoints
}).ToList();
dbcxtransaction.Commit();
return Utilities.clsThamSoUtilities.ToDataTable(dm);
}
}示例6: Update
public int Update()
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
int temp = 0;
using (var dbcxtransaction = help.ent.Database.BeginTransaction())
{
Vat_Tu_Goi_Dau_Ky vtgd = new Vat_Tu_Goi_Dau_Ky();
vtgd.ID_kho = this.ID_kho;
vtgd.ID_chat_luong= this.ID_chat_luong;
vtgd.Ma_vat_tu = this.Ma_vat_tu;
vtgd.ID_VT_Goi_Dau = this.ID_VT_Goi_Dau;
vtgd.So_Luong = this.So_Luong;
using (var context = help.ent)
{
context.Vat_Tu_Goi_Dau_Ky.Attach(vtgd);
context.Entry(vtgd).State = EntityState.Modified;
temp = help.ent.SaveChanges();
dbcxtransaction.Commit();
}
}
return temp;
}示例7: GetAll
public static DataTable GetAll(string name)
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
using (var dbcxtransaction = help.ent.Database.BeginTransaction())
{
var dm = (from d in help.ent.Kho_muon_vat_tu
join k in help.ent.DM_Kho on d.ID_Kho equals k.ID_kho
join c in help.ent.Chat_luong on d.Id_chat_luong equals c.Id_chat_luong
join v in help.ent.DM_Vat_Tu on d.Ma_vat_tu equals v.Ma_vat_tu
where k.Ten_kho .Contains(name) &&d.Da_tra == false
select new {
ID_kho_muon_vat_tu = d.ID_kho_muon_vat_tu,
ID_kho = d.ID_Kho,
ID_Kho_Muon = d.ID_Kho_muon,
Ma_vat_tu = d.Ma_vat_tu,
Ten_vat_tu = v.Ten_vat_tu,
So_luong = d.So_luong,
Ma_phieu_xuat_tam = d.Ma_phieu_xuat_tam,
ID_chat_luong = d.Id_chat_luong,
Ten_chat_luong = c.Loai_chat_luong,
// Ten_kho = k.Ten_kho,
}
).ToList();
dbcxtransaction.Commit();
DataTable ds = Utilities.clsThamSoUtilities.ToDataTable(dm);
return ds;
}
}示例8: Insert
public int Insert()
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
// insert
using (var dbcxtransaction = help.ent.Database.BeginTransaction())
{
try
{
var t = new Vat_Tu_Goi_Dau_Ky //Make sure you have a table called test in DB
{
ID_VT_Goi_Dau = this.ID_VT_Goi_Dau,
Ma_vat_tu = this.Ma_vat_tu, // ID = Guid.NewGuid(),
So_Luong = this.So_Luong,
ID_ky = this.ID_ky,
ID_chat_luong = this.ID_chat_luong,
ID_kho = this.ID_kho,
};
help.ent.Vat_Tu_Goi_Dau_Ky.Add(t);
help.ent.SaveChanges();
dbcxtransaction.Commit();
return 1;
}
catch (Exception ex)
{
dbcxtransaction.Rollback();
return 0;
}
}
}示例9: CheckTonTaiSoDK
public bool CheckTonTaiSoDK()
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
bool has = help.ent.Vat_Tu_Goi_Dau_Ky.Any(cus => cus.Ma_vat_tu == Ma_vat_tu && cus.ID_chat_luong ==ID_chat_luong && cus.ID_kho == ID_kho);
return has;
}示例10: CheckTonTaiSoDK
public bool CheckTonTaiSoDK(string maphieu ,string mavattu, int cl)
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
bool has = help.ent.No_vat_tu.Any(cus => cus.Ma_phieu_xuat_tam == maphieu &&cus.Ma_vat_tu == mavattu && cus.Id_chat_luong == cl);
return has;
}示例11: Insert
public int Insert(DatabaseHelper help)
{
{
try
{
var t = new Can_tru_no_nhap_ngoai //Make sure you have a table called test in DB
{
Id_chat_luong = this.Id_chat_luong,
Ma_vat_tu = this.Ma_vat_tu, // ID = Guid.NewGuid(),
So_luong_can_tru = this.So_luong_can_tru,
Ma_phieu_nhap = this.Ma_phieu_nhap,
Ma_phieu_nhap_no = this.Ma_phieu_nhap_no,
};
help.ent.Can_tru_no_nhap_ngoai.Add(t);
help.ent.SaveChanges();
//dbcxtransaction.Commit();
return 1;
}
catch (Exception ex)
{
//dbcxtransaction.Rollback();
return 0;
}
}
}示例12: CheckTonTaiSoDK
public bool CheckTonTaiSoDK()
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
bool has = help.ent.Dm_Kho_Muon_Ngoai.Any(cus => cus.Ten_kho_muon == Ten_kho);
return has;
}示例13: RandomMaPhieu
public static string RandomMaPhieu()
{
DateTime today = DateTime.Today;
string year = today.ToString("yy");
string month = today.ToString("MM");
string day = today.ToString("dd");
//kiểm tra xem ngày hiện tại có mã số nào chưa ?\
//nếu có thì dd.mm.yy.xx+1 vào
//nếu chưa có thì tạo dd.mm.yy.00
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
var showPiece = (help.ent.Chi_Tiet_Phieu_Xuat_Tam
.FirstOrDefault(p => p.Ma_phieu_xuat_tam == help.ent.Chi_Tiet_Phieu_Xuat_Tam.Max(x => x.Ma_phieu_xuat_tam)));
if (showPiece != null && showPiece.Ma_phieu_xuat_tam.Contains(day + "." + month + "." + year))
{
string[] temp = showPiece.Ma_phieu_xuat_tam.Split('.');
int value = int.Parse(temp[temp.Length]) + 1;
return day + month + year + showPiece;
}
else
{
// showPiece.Ma_phieu_xuat_tam.Split
return (string)(day + "." + month + "." + year + "." + "0000");
}
}示例14: AlterarFuncionario
/// <summary>
/// Trata da alteração do destino
/// </summary>
private void AlterarFuncionario()
{
// Valida se o campo destino está vazio
if (string.IsNullOrEmpty(tbFuncionario.Text)) {
// Informa ao usuário que é necessário preencher o campo destino
MessageBox.Show("Você não preencheu o campo nome");
}
//
else {
// Cria objeto de acesso ao banco de dados
var objAltDestino = new DatabaseHelper();
// Criamos o dicionario de dados com as chaves e valores
var dctDados = new Dictionary<string, string>();
// Incluimos no dicionario o campo de destino
dctDados.Add("c_funcionario", tbFuncionario.Text);
// Valida se consegue inserir informação no banco de dados
if (objAltDestino.Update("dados.funcionario", dctDados, "id =" + CodID)) {
// Mostra mensagem de sucesso
MessageBox.Show("Funcionário alterado com sucesso");
}
else {
// Mostra mensagem de erro
MessageBox.Show("Ocorreu erro ao tentar alterar o funcionário\nContate o seu administrador");
}
// Fecha a janela
Close();
}
}示例15: Delete
/// <summary>
/// [Bug] Xóa Item có Liên Kết khóa ngoại với bảng Vật Tư
/// </summary>
/// <returns>bool</returns>
public int Delete(DM_Don_vi_tinh dvt)
{
DatabaseHelper help = new DatabaseHelper();
help.ConnectDatabase();
help.ent.DM_Don_vi_tinh.Attach(dvt);
help.ent.DM_Don_vi_tinh.Remove(dvt);
return help.ent.SaveChanges();
//Mở
//m_dbConnection.Open();
////Chuẩn bị
//string sql = "";
//sql += "Delete from DM_Don_vi_tinh ";
//sql += "WHERE [email protected]_Don_vi_tinh";
//SqlCommand command = new SqlCommand(sql, m_dbConnection);
//command.Parameters.Add("@ID_Don_vi_tinh", SqlDbType.Int).Value = ID_Don_vi_tinh;
//command.CommandType = CommandType.Text;
////Run
//int result = command.ExecuteNonQuery();
////Đóng
//m_dbConnection.Close();
//return result;
}