public bool update(ENSuscripcion en)
{
SqlConnection conn = new SqlConnection(constring);
string comando = "UPDATE [dbo].[Suscripcion] " + "SET tipo = '" + en.Tipo + "'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 create(ENSuscripcion en)
{
SqlConnection conn = new SqlConnection(constring);
string comando = "Insert Into [dbo].[Suscripcion] (id, tipo) " + "VALUES ('" + en.Id + "', '" + en.Tipo + "')";
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(ENSuscripcion en)
{
SqlConnection conn = new SqlConnection(constring);;
string comando = "Delete from [dbo].[Suscripcion] 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(ENSuscripcion en)
{
SqlConnection conn = new SqlConnection(constring);
String comando = "select * from [dbo].[Suscripcion] 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.Tipo = dr["tipo"].ToString();
dr.Close();
conn.Close();
return(true);
}
return(false);
}
catch (Exception)
{
conn.Close();
return(false);
}
}
