private void LoadData() { UserQueryModel model = new UserQueryModel(); model.Name = textBoxQName.Text.TrimStart().TrimEnd(); model.Phone = textBoxQPhone.Text.TrimStart().TrimEnd(); if (comboBoxQStore.SelectedValue != null) { model.Store = Guid.Parse(comboBoxQStore.SelectedValue.ToString()); } DataTable dt = _action.GetList(model); Bind(dt); }