public void selectm()
{
try
{
产品原料关系 newform = (产品原料关系)this.ParentForm;
if (textBox1.Text != "0")
{
ProductMaterial pmr = new ProductMaterial();
pmr.MaterialCount = Convert.ToInt16(textBox1.Text);
pmr.ProductId = PID;
pmr.MaterialId = dataGridView1.Rows[index].Cells["原料编号"].Value.ToString();
if (pm.AddMaterialProductRelation(pmr))
{
MessageBox.Show("新原料产品关系建立成功！");
this.Close();
}
}
else
{
MessageBox.Show("请输入产品-原材料比例的数量！");
}
}
catch (Exception ex) { MessageBox.Show("此原料添加失败！"); }
}