private void Load_MOTag_Headers() { dgv_MOTagsHeaders.DataSource = null; dgv_MOTagsHeaders.DataSource = x.MOTagHeaders2Table(); gb_MOHeader.Enabled = true; gb_MOTag_Detail.Enabled = true; dgv_MODetail.DataSource = null; foreach (Control b in this.gb_MOHeader.Controls.OfType <TextBox>()) { b.Text = ""; } }