C# PropertyGrid运行时动态显示或隐藏属性

    public class StringAttribute : Attribute { }
    public class NumericAttribute : Attribute { }

    public class GoodsItem
    {
        [StringAttribute]
        public string isid { get; set; }

        [StringAttribute]
        public string CustomerName { get; set; }

        [StringAttribute]
        public string ProductName { get; set; }

        [StringAttribute]
        public string GoodsNo { get; set; }

        [NumericAttribute]
        public int Qty { get; set; }

        [NumericAttribute]
        public decimal Price { get; set; }

        [NumericAttribute]
        public decimal Amount { get; set; }

    }

        private void Form4_Load(object sender, EventArgs e)
        {
            propertyGrid1.SelectedObject = DemoData.GetGoodsList().FirstOrDefault();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            //显示所有属性
            propertyGrid1.BrowsableAttributes = null;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //显示字符串类型的属性
            //PropertyGrid.BrowsableAttributes是用来设置显示的属性
            propertyGrid1.BrowsableAttributes = new AttributeCollection(new StringAttribute());
        }

        private void button2_Click(object sender, EventArgs e)
        {
            //显示数字类型的属性
            propertyGrid1.BrowsableAttributes = new AttributeCollection(new NumericAttribute());
        }