private void btnThoat_Click(object sender, EventArgs e) { this.Hide(); Frm_Main_Admin Ad = new Frm_Main_Admin(label14.Text); Ad.Show(); }
private void btnMenu_Click(object sender, EventArgs e) { this.Hide(); Frm_Main_Admin admin = new Frm_Main_Admin(); admin.Show(); }
//------------------------------------------------------------------------------ // btn Menu private void btnMenu_Click(object sender, EventArgs e) { Frm_Main_Admin admin = new Frm_Main_Admin(label26.Text); admin.Show(); this.Hide(); Visible = false; }
public void DangNhap() { try { sqlcon.Open(); string user = txtTenDangNhap.Text; string pass = txtMatKhau.Text; // Mã hóa mật khẩu string str = ""; Byte[] buffer = System.Text.Encoding.UTF8.GetBytes(pass); MD5CryptoServiceProvider md = new MD5CryptoServiceProvider(); buffer = md.ComputeHash(buffer); foreach (Byte b in buffer) { str += b.ToString("X2"); } // Dò tìm SĐT khách hàng và ID nhân viên string sql = "SELECT COUNT (*) FROM [KTPM].[dbo].[Info_Secret] " + "WHERE (Phone_Cus=@phone COLLATE SQL_Latin1_General_CP1_CS_AS AND Password=@pass COLLATE SQL_Latin1_General_CP1_CS_AS)" + "OR (ID_Emp=@id COLLATE SQL_Latin1_General_CP1_CS_AS AND Password=@pass COLLATE SQL_Latin1_General_CP1_CS_AS)"; SqlCommand cmd = new SqlCommand(sql, sqlcon); cmd.Parameters.Add(new SqlParameter("@phone", user)); cmd.Parameters.Add(new SqlParameter("@id", user)); cmd.Parameters.Add(new SqlParameter("@pass", str)); int x = (int)cmd.ExecuteScalar(); if (x == 1) { string sql_Permision = "SELECT COUNT (*) FROM [KTPM].[dbo].[Info_Secret] WHERE Phone_Cus=@phone AND Permision=@per"; SqlCommand cmd_Permision = new SqlCommand(sql_Permision, sqlcon); cmd_Permision.Parameters.Add(new SqlParameter("@phone", user)); cmd_Permision.Parameters.AddWithValue("@per", "Guess"); int y = (int)cmd_Permision.ExecuteScalar(); if (y == 1) { LoginFlag = true; this.Hide(); Frm_Main_Customers cus = new Frm_Main_Customers(); cus.Show(); } else { LoginFlag = true; this.Hide(); Frm_Main_Admin admin = new Frm_Main_Admin(txtTenDangNhap.Text); admin.Show(); } } else { LoginFlag = false; MessageBox.Show(" User or Password is incorrect . \n Please try again!", "ERROR"); } } catch (Exception) { LoginFlag = false; MessageBox.Show("Error Connection!", "Try Again"); } finally { sqlcon.Close(); } }