public void ShowWorkoutCat() { bll = new WorkoutCategoryBLL(); if (!isSearch) { dto.Categories = bll.GetCategories(); } else { dto.Categories = bll.GetCategories(keyword); } dataGridView1.DataSource = dto.Categories; dataGridView1.Columns["ID"].HeaderText = "分類編號"; dataGridView1.Columns["Name"].HeaderText = "分類名稱"; isSearch = false; }