// Méthode permettant de supprimer une fiche élève de la BDD
//**************************************************************
public static void Delete()
{
Console.Write("Wich student's file would you like to delete (enter Id)?:");
int eleveId = Int32.Parse(Console.ReadLine());
BaseDAL db = new BaseDAL("DELETE FROM ELEVES WHERE NUM_ELEVE = @idEleve");
db.Sql.Parameters.Add("@idEleve", System.Data.SqlDbType.Int);
db.Sql.Parameters["@idEleve"].Value = eleveId;
db.Sql.ExecuteNonQuery();
Console.Write("student's file deleted succesfully");
}
// Méthode permettant d'afficher tous les élèves de la BDD
//**************************************************************
public static List <Eleve> FindAll()
{
List <Eleve> lEleves = new List <Eleve>();
BaseDAL db = new BaseDAL("SELECT * FROM ELEVES");
SqlDataReader Reader = db.Sql.ExecuteReader();
while (Reader.Read())
{
Eleve e = new Eleve((int)Reader["NUM_ELEVE"],
(string)Reader["NOM"],
(string)Reader["PRENOM"],
(DateTime)Reader["DATE_NAISSANCE"],
(int)Reader["POIDS"],
(int)Reader["ANNEE"]);
lEleves.Add(e);
}
return(lEleves);
}
// Méthode permettant de mettre à jour une fiche élève
//**************************************************************
public static void Update()
{
Console.Write("Wich student's file would you like to edit (enter Id)?:");
int eleveId = Int32.Parse(Console.ReadLine());
Console.Write("\t> First name: ");
string fName = Console.ReadLine();
Console.Write("\t> Last name: ");
string lName = Console.ReadLine();
Console.Write("\t> Birth date (YYYY/MM/DD): ");
string bdStr = Console.ReadLine();
DateTime bd;
while (!DateTime.TryParseExact(bdStr, "yyyy/MM/dd", null, System.Globalization.DateTimeStyles.None, out bd))
{
Console.WriteLine("Invalid date");
bdStr = Console.ReadLine();
}
Console.Write("\t> Weight: ");
string weight = Console.ReadLine();
Console.Write("\t> Grade:");
string grade = Console.ReadLine();
BaseDAL db = new BaseDAL("UPDATE ELEVES SET PRENOM = @FirstNameE, NOM = @LastNameE, DATE_NAISSANCE = @BirthdayE, POIDS = @WeightE, ANNEE = @GradeE WHERE NUM_ELEVE = @NumE");
db.Sql.Parameters.Add("@FirstNameE", System.Data.SqlDbType.NVarChar);
db.Sql.Parameters["@FirstNameE"].Value = fName;
db.Sql.Parameters.Add("@LastNameE", System.Data.SqlDbType.NVarChar);
db.Sql.Parameters["@LastNameE"].Value = lName;
db.Sql.Parameters.Add("@BirthdayE", System.Data.SqlDbType.DateTime);
db.Sql.Parameters["@BirthdayE"].Value = bd;
db.Sql.Parameters.Add("@WeightE", System.Data.SqlDbType.Int);
db.Sql.Parameters["@WeightE"].Value = weight;
db.Sql.Parameters.Add("@GradeE", System.Data.SqlDbType.Int);
db.Sql.Parameters["@GradeE"].Value = grade;
db.Sql.Parameters.Add("@numE", System.Data.SqlDbType.Int);
db.Sql.Parameters["@numE"].Value = eleveId;
db.Sql.ExecuteNonQuery();
}
// Méthode permettant d'insérer dans la BDD une fiche élève
//**************************************************************
public static void Insert()
{
Console.WriteLine("Please provide the student's information:");
Console.Write("\t> First name: ");
string fName = Console.ReadLine();
Console.Write("\t> Last name: ");
string lName = Console.ReadLine();
Console.Write("\t> Birth date (YYYY/MM/DD): ");
string bdStr = Console.ReadLine();
DateTime bd;
while (!DateTime.TryParseExact(bdStr, "yyyy/MM/dd", null, System.Globalization.DateTimeStyles.None, out bd))
{
Console.WriteLine("Invalid date");
bdStr = Console.ReadLine();
}
Console.Write("\t> Weight: ");
string weight = Console.ReadLine();
Console.Write("\t> Grade:");
string grade = Console.ReadLine();
BaseDAL db = new BaseDAL("INSERT INTO ELEVES VALUES (@FirstNameE, @LastNameE, @BirthdayE, @WeightE, @GradeE)");
db.Sql.Parameters.Add("@FirstNameE", System.Data.SqlDbType.NVarChar);
db.Sql.Parameters["@FirstNameE"].Value = fName;
db.Sql.Parameters.Add("@LastNameE", System.Data.SqlDbType.NVarChar);
db.Sql.Parameters["@LastNameE"].Value = lName;
db.Sql.Parameters.Add("@BirthdayE", System.Data.SqlDbType.DateTime);
db.Sql.Parameters["@BirthdayE"].Value = bd;
db.Sql.Parameters.Add("@WeightE", System.Data.SqlDbType.Int);
db.Sql.Parameters["@WeightE"].Value = weight;
db.Sql.Parameters.Add("@GradeE", System.Data.SqlDbType.Int);
db.Sql.Parameters["@GradeE"].Value = grade;
db.Sql.ExecuteNonQuery();
}