public void campos(ComboBox box, string tabla) { sentencias sc = new sentencias(); OdbcDataAdapter dCampos = sc.ConsultarCampos(tabla); DataTable datCampos = new DataTable(); dCampos.Fill(datCampos); if (datCampos.Rows.Count > 0) { for (int i = 0; i < datCampos.Rows.Count; i++) { DataRow rows = datCampos.Rows[i]; string cam = rows["Field"].ToString(); box.Items.Add(cam); } } }