public bool Usuario_broker(string CodUsu, string Pw)
{
bool rtrn = false;
ConexionDb conn = new ConexionDb();
var str_conect = conn.init_Conection();
using (str_conect)
{
SqlCommand command = new SqlCommand(" SELECT USUARIO.CODUSU, USUARIO.LOGIN FROM USUARIO WHERE USUARIO.CODUSU = @CodUsu ", str_conect);
command.Parameters.AddWithValue("@CodUsu", CodUsu);
str_conect.Open();
DataTable dt = new DataTable();
dt.Load(command.ExecuteReader());
if (dt.Rows.Count.ToString() == "1")
{
rtrn = true;
}
return(rtrn);
}
}