95 lines
2.6 KiB
C#
95 lines
2.6 KiB
C#
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#region Ressources extérieures
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Data;
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using System.Data.SqlClient;
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using System.Data.SqlTypes;
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using ProjetTheAlone.Classes;
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#endregion
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namespace ProjetTheAlone.Acces
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{
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/// <summary>
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/// Couche d'accès aux données (Data Access Layer)
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/// </summary>
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public class A_T_lieu : ADBase
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{
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#region Constructeurs
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public A_T_lieu(string sChaineConnexion)
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: base(sChaineConnexion)
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{ }
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#endregion
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public int Ajouter(string L_nom)
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{
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CreerCommande("AjouterT_lieu");
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int res = 0;
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Commande.Parameters.Add("ID_lieu", SqlDbType.Int);
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Direction("ID_lieu", ParameterDirection.Output);
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if(L_nom == null) Commande.Parameters.AddWithValue("@L_nom", Convert.DBNull);
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else Commande.Parameters.AddWithValue("@L_nom", L_nom);
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Commande.Connection.Open();
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Commande.ExecuteNonQuery();
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res = int.Parse(LireParametre("ID_lieu"));
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Commande.Connection.Close();
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return res;
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}
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public int Modifier(int ID_lieu, string L_nom)
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{
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CreerCommande("ModifierT_lieu");
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int res = 0;
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Commande.Parameters.AddWithValue("@ID_lieu", ID_lieu);
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if(L_nom == null) Commande.Parameters.AddWithValue("@L_nom", Convert.DBNull);
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else Commande.Parameters.AddWithValue("@L_nom", L_nom);
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Commande.Connection.Open();
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Commande.ExecuteNonQuery();
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Commande.Connection.Close();
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return res;
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}
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public List<C_T_lieu> Lire(string Index)
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{
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CreerCommande("SelectionnerT_lieu");
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Commande.Parameters.AddWithValue("@Index", Index);
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Commande.Connection.Open();
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SqlDataReader dr = Commande.ExecuteReader();
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List<C_T_lieu> res = new List<C_T_lieu>();
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while (dr.Read())
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{
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C_T_lieu tmp = new C_T_lieu();
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tmp.ID_lieu = int.Parse(dr["ID_lieu"].ToString());
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if(dr["L_nom"] != DBNull.Value) tmp.L_nom = (dr["L_nom"].ToString());
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res.Add(tmp);
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}
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dr.Close();
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Commande.Connection.Close();
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return res;
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}
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public C_T_lieu Lire_ID(int ID_lieu)
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{
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CreerCommande("SelectionnerT_lieu_ID");
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Commande.Parameters.AddWithValue("@ID_lieu", ID_lieu);
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Commande.Connection.Open();
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SqlDataReader dr = Commande.ExecuteReader();
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C_T_lieu res = new C_T_lieu();
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while (dr.Read())
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{
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res.ID_lieu = int.Parse(dr["ID_lieu"].ToString());
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if(dr["L_nom"] != DBNull.Value) res.L_nom = (dr["L_nom"].ToString());
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}
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dr.Close();
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Commande.Connection.Close();
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return res;
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}
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public int Supprimer(int ID_lieu)
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{
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CreerCommande("SupprimerT_lieu");
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int res = 0;
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Commande.Parameters.AddWithValue("@ID_lieu", ID_lieu);
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Commande.Connection.Open();
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res = Commande.ExecuteNonQuery();
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Commande.Connection.Close();
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return res;
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}
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}
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}
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