public int BajaLogica(Garante p)
{
int res = -1;
using (SqlConnection connection = new SqlConnection(connectionString))
{
string sql = $"UPDATE Garantes SET Nombre=@nombre, Apellido=@apellido, Dni=@dni, Mail=@mail, Telefono=@telefono " +
$"WHERE IdGarante = @id";
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.CommandType = CommandType.Text;
command.Parameters.AddWithValue("@id", p.IdGarante);
//command.CommandType = CommandType.Text;
command.Parameters.AddWithValue("@nombre", p.Nombre);
command.Parameters.AddWithValue("@apellido", p.Apellido);
command.Parameters.AddWithValue("@dni", p.Dni);
command.Parameters.AddWithValue("@telefono", p.Telefono);
command.Parameters.AddWithValue("@mail", p.Mail);
connection.Open();
res = command.ExecuteNonQuery();
connection.Close();
}
}
return(res);
}
public Garante ObtenerPorId(int id)
{
Garante p = null;
using (SqlConnection connection = new SqlConnection(connectionString))
{
string sql = $"SELECT IdGarante, Nombre, Apellido, Dni, Mail, Telefono FROM Garantes" +
$" WHERE IdGarante=@id";
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.Parameters.Add("@id", SqlDbType.Int).Value = id;
command.CommandType = CommandType.Text;
connection.Open();
var reader = command.ExecuteReader();
if (reader.Read())
{
p = new Garante
{
IdGarante = reader.GetInt32(0),
Nombre = reader.GetString(1),
Apellido = reader.GetString(2),
Dni = reader.GetString(3),
Mail = reader.GetString(4),
Telefono = reader.GetString(5),
};
}
connection.Close();
}
}
return(p);
}
public int Alta(Garante g)
{
int res = -1;
using (SqlConnection connection = new SqlConnection(connectionString))
{
string sql = $"INSERT INTO Garantes (Nombre, Apellido, Dni, Mail, Telefono ) " +
$"VALUES (@nombre, @apellido, @dni, @mail, @telefono );" +
$"SELECT SCOPE_IDENTITY();"; //devuelve el id insertado
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.CommandType = CommandType.Text;
command.Parameters.AddWithValue("@nombre", g.Nombre);
command.Parameters.AddWithValue("@apellido", g.Apellido);
command.Parameters.AddWithValue("@dni", g.Dni);
command.Parameters.AddWithValue("@mail", g.Mail);
command.Parameters.AddWithValue("@telefono", g.Telefono);
connection.Open();
res = Convert.ToInt32(command.ExecuteScalar());
g.IdGarante = res;
connection.Close();
}
}
return(res);
}
public IList <Garante> ObtenerTodos()
{
IList <Garante> res = new List <Garante>();
using (SqlConnection connection = new SqlConnection(connectionString))
{
string sql = $"SELECT IdGarante, Nombre, Apellido, Dni, Mail, Telefono FROM Garantes";
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.CommandType = CommandType.Text;
connection.Open();
var reader = command.ExecuteReader();
while (reader.Read())
{
Garante p = new Garante
{
IdGarante = reader.GetInt32(0),
Nombre = reader.GetString(1),
Apellido = reader.GetString(2),
Dni = reader.GetString(3),
Mail = reader.GetString(4),
Telefono = reader.GetString(5),
};
res.Add(p);
}
connection.Close();
}
}
return(res);
}