public DataSet BusquedaActividades(object obj)
        {
            string   cadenaWhere = "";
            bool     edo         = false;
            AgendaBO data        = (AgendaBO)obj;

            cmd            = new SQLiteCommand();
            dsContactos    = new DataSet();
            da             = new SQLiteDataAdapter();
            con            = new ConexionAgenda();
            cmd.Connection = con.establecerConexion();
            con.abrirConexion();

            if (data.IdContacto > 0)
            {
                cadenaWhere = cadenaWhere + " idContacto=" + data.IdContacto + " and";
                edo         = true;
            }

            if (edo == true)
            {
                cadenaWhere = " WHERE " + cadenaWhere.Remove(cadenaWhere.Length - 3, 3);
            }
            sql             = " SELECT * FROM RegistroActividades " + cadenaWhere;
            cmd.CommandText = sql;
            DataSet ds = new DataSet();

            da.SelectCommand = cmd;
            da.Fill(dsContactos);
            con.cerrarConexion();
            return(dsContactos);
        }
        public DataSet BusquedaContactos(object obj)
        {
            string   cadenaWhere = "";
            bool     edo         = false;
            AgendaBO data        = (AgendaBO)obj;

            cmd            = new SQLiteCommand();
            dsContactos    = new DataSet();
            da             = new SQLiteDataAdapter();
            con            = new ConexionAgenda();
            cmd.Connection = con.establecerConexion();
            con.abrirConexion();

            if (data.IDagenda > 0)
            {
                cadenaWhere = cadenaWhere + " IDagenda=" + data.IDagenda + " and";
                edo         = true;
            }

            if (data.Nombre != null)
            {
                cadenaWhere = cadenaWhere + " Nombre=" + data.Nombre + " and";
                edo         = true;
            }
            if (data.Apellidos != null)
            {
                cadenaWhere = cadenaWhere + " Apellidos='" + data.Apellidos.Trim() + "' and";
                edo         = true;
            }
            if (data.Edad != null)
            {
                cadenaWhere = cadenaWhere + " Edad='" + data.Edad.Trim() + "' and";
                edo         = true;
            }
            if (data.Telefono != null)
            {
                cadenaWhere = cadenaWhere + " Telefono='" + data.Telefono.Trim() + "' and";
                edo         = true;
            }
            if (data.CorreoElectronico != null)
            {
                cadenaWhere = cadenaWhere + " CorreoElectronico='" + data.CorreoElectronico.Trim() + "' and";
                edo         = true;
            }


            if (edo == true)
            {
                cadenaWhere = " WHERE " + cadenaWhere.Remove(cadenaWhere.Length - 3, 3);
            }
            sql             = " SELECT * FROM Agenda1 " + cadenaWhere;
            cmd.CommandText = sql;
            DataSet ds = new DataSet();

            da.SelectCommand = cmd;
            da.Fill(dsContactos);
            con.cerrarConexion();
            return(dsContactos);
        }