asp html 实现商店（书店）购物结算

话不多说 先上效果图：
功能：
1.每一个更新按钮对应着所更新的书籍定价数量，并将结果输出至消费总金额处
2.提交对应着所有书籍对应价格数量的总和，同样输出至总金额处
3.重置既刷新页面
实列：
1.整体是居中的，效果图存在位置偏差
2.数量和消费总金额的默认值是0，如果将0删除会出现报错，所以请小心
OK 上代码
.aspx

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace login
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void num1(object sender, EventArgs e)
        {
            double str = Convert.ToDouble(TextBox.Text);
            double a = 49.00;
            TextBox4.Text = Convert.ToString(str * a);
        }
        protected void num2(object sender, EventArgs e)
        {
            double str1 = Convert.ToDouble(TextBox1.Text);
            double a = 49.00;
            TextBox4.Text = Convert.ToString(str1 * a);
        }
        protected void num3(object sender, EventArgs e)
        {
            double str2 = Convert.ToDouble(TextBox2.Text);
            double c = 53.00;
            TextBox4.Text = Convert.ToString(str2 * c);
        }
        protected void num4(object sender, EventArgs e)
        {
            double str3 = Convert.ToDouble(TextBox3.Text);
            double d = 45.00;
            TextBox4.Text = Convert.ToString(str3 * d);
        }
        protected void num(object sender, EventArgs e)
        {
            double str = Convert.ToDouble(TextBox.Text);
            double str1 = Convert.ToDouble(TextBox1.Text);
            double str2 = Convert.ToDouble(TextBox2.Text);
            double str3 = Convert.ToDouble(TextBox3.Text);
            double a = 49.00;
            double c = 53.00;
            double d = 45.00;
            TextBox4.Text = Convert.ToString(str3 * d+ str2 * c+ str1 * a+ str * a);
        }
        protected void f(object sender, EventArgs e)
        {
            Response.Redirect(Request.Url.ToString());
        }
        protected void Page_Load(object sender, EventArgs e)
        {

        }
    }
}

 

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace login
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void num1(object sender, EventArgs e)
        {
            double str = Convert.ToDouble(TextBox.Text);
            double a = 49.00;
            TextBox4.Text = Convert.ToString(str * a);
        }
        protected void num2(object sender, EventArgs e)
        {
            double str1 = Convert.ToDouble(TextBox1.Text);
            double a = 49.00;
            TextBox4.Text = Convert.ToString(str1 * a);
        }
        protected void num3(object sender, EventArgs e)
        {
            double str2 = Convert.ToDouble(TextBox2.Text);
            double c = 53.00;
            TextBox4.Text = Convert.ToString(str2 * c);
        }
        protected void num4(object sender, EventArgs e)
        {
            double str3 = Convert.ToDouble(TextBox3.Text);
            double d = 45.00;
            TextBox4.Text = Convert.ToString(str3 * d);
        }
        protected void num(object sender, EventArgs e)
        {
            double str = Convert.ToDouble(TextBox.Text);
            double str1 = Convert.ToDouble(TextBox1.Text);
            double str2 = Convert.ToDouble(TextBox2.Text);
            double str3 = Convert.ToDouble(TextBox3.Text);
            double a = 49.00;
            double c = 53.00;
            double d = 45.00;
            TextBox4.Text = Convert.ToString(str3 * d+ str2 * c+ str1 * a+ str * a);
        }
        protected void f(object sender, EventArgs e)
        {
            Response.Redirect(Request.Url.ToString());
        }
        protected void Page_Load(object sender, EventArgs e)
        {

        }
    }
}

 

其实还有更优的方法的
欢迎指点
其实加入购物车事件也写好的了 不过太烂了 就不出来丢人了
有没有人 说两句