public ENMenu(ENMenu producto)
{
this.id = producto.id;
this.nombre = producto.nombre;
this.precio = producto.precio;
this.pedido = producto.pedido;
}
public bool update(ENMenu en)
{
SqlConnection conn = new SqlConnection(constring);
string comando = "UPDATE [dbo].[Menu] " + "SET nombre = '" + en.Nombre + "', precio = '" + en.Precio + "', pedido = '" + en.Pedido + "'where id ='" + en.Id + "'";
try
{
conn.Open();
SqlCommand cmd = new SqlCommand(comando, conn);
cmd.ExecuteNonQuery();
}
catch (Exception e)
{
Console.WriteLine("Error: " + e);
conn.Close();
return(false);
}
finally
{
conn.Close();
}
return(true);
}
public bool create(ENMenu en)
{
SqlConnection conn = new SqlConnection(constring);
string comando = "Insert Into [dbo].[Menu] (id, nombre, precio) " + "VALUES ('" + en.Id + "', '" + en.Nombre + "', '" + en.Precio + "')";
try
{
conn.Open();
SqlCommand cmd = new SqlCommand(comando, conn);
cmd.ExecuteNonQuery();
conn.Close();
}
catch (Exception e)
{
conn.Close();
Console.WriteLine("Error: " + e);
return(false);
}
return(true);
}
public bool delete(ENMenu en)
{
SqlConnection conn = new SqlConnection(constring);;
string comando = "Delete from [dbo].[Menu] where id = '" + en.Id + "'";
try
{
conn.Open();
SqlCommand cmd = new SqlCommand(comando, conn);
cmd.ExecuteNonQuery();
}
catch (Exception)
{
conn.Close();
return(false);
}
finally
{
conn.Close();
}
return(true);
}
public bool read(ENMenu en)
{
SqlConnection conn = new SqlConnection(constring);
String comando = "select * from [dbo].[Menu] where id='" + en.Id + "'";
try
{
conn.Open();
SqlCommand cmd = new SqlCommand(comando, conn);
SqlDataReader dr = cmd.ExecuteReader();
dr.Read();
if (int.Parse(dr["id"].ToString()) == en.Id)
{
en.Id = int.Parse(dr["id"].ToString());
en.Nombre = dr["nombre"].ToString();
en.Precio = float.Parse(dr["precio"].ToString());
dr.Close();
conn.Close();
return(true);
}
return(false);
}
catch (Exception)
{
conn.Close();
return(false);
}
}
