private void 领料清单生成_Load(object sender, EventArgs e) { try { textBox1.Text = 产品.ToString(); textBox2.Text = 数量.ToString(); textBox订单.Text = 订单.ToString(); // dataGridView1.DataSource = pm.GetMaterialProductRelationByProduct(textBox1.Text); dataGridView1.DataSource = pm.GetMaterialProductRelationByProductEx(textBox1.Text, 数量); dataGridView1.Update(); // } catch (Exception ex) { }; }