void getTableCriterio() { CriterioDao criDao = new CriterioDao(); //Populating a DataTable from database. //DataTable dt = regDao.getTableRegion(); DataSet ds = new DataSet(); da = criDao.getCriterio(); da.Fill(ds); this.GV_Criterio.DataSource = ds; this.GV_Criterio.DataBind(); }