![Sale]( "Sale")
本文介绍了MVC3不断重新加载表单页面的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 大家好，我是ASP.NET MVC 3的新手，我尝试将表单数据发送回服务器，但每次单击提交按钮时，表单都会重新加载，所有数据都会丢失。 以下是我的代码的一部分： SaleController.cs public class SaleController：Controller { // 获取：/ Sale / public ViewResult MakePurchase（）{ return 查看（ MakePurchase）; } [HttpPost] public ViewResult促销（促销） { 返回查看（ 销售，销售）; } [HttpGet] public ViewResult Sale（） { return View（）; } } MakePurchase.cshtml @ model SalesTax.Models.Sale @ { Layout = null; } < ！DOCTYPE html > < html > < head > < title > MakePurchase < / title > < / head > < body > < div > @using（Html.BeginForm（）） { < p > 产品：@ Html.TextBoxFor（x => x.Product）< / p > < p > 数量：@ Html.TextBoxFor（x => x.Quantity）< / p > < p > 价格：@ Html.TextBoxFor（x => x.Price）< / p > < p > 类型：@ Html.TextBoxFor（x => x.Type）< / p > < p > 原产地：@ Html.TextBoxFor（x => x.Origin）< / p > < input 类型 = 提交 value = MakePurchase / > } < / div > < / body > < / html > Sale.cshtml @ model SalesTax.Models.Sale @ { Layout = null; } < ！DOCTYPE html > < html > < head > < title > Sale < / title > < / head > < body > < div > @ {double tax = Model.CalculateTax（Model.Quantity，Model.Price，Model.Type，Model.Origin）; } 您对此产品的税收是： < p > RS。 @tax < / p > < br / > @ {double finalPrice = Model.Price + tax;} 最终价格（含税）： < p > Rs。 @finalPrice < / p > < br / > < / div > < / body > < / html > Sale.cs namespace SalesTax.Models { public class 促销 { public string 产品{获得; set ; } public int 数量{获得; set ; } public double 价格{获得; set ; } public string 输入{获得; set ; } public string 来源{获得; set ; } public double CalculateTax（ int 数量， double 价格，字符串类型， string Origin）{ double tax = 0 。 0 ; for （ int i = 0 ; i < 数量; i ++） { if （！（Type.Equals（ Book）|| Type.Equals （ 食物）|| Type.Equals（ 医疗））） { tax + = Price * 0 。 1 ; if （Origin.Equals（ Imported ）） { tax + = Price * 0 。 05 ; } } 其他 { 如果（ Origin.Equals（ Imported）） { tax + = Price * 0 。 05 ; } } } 返回税; } } } 解决方案 好像你没有任何post方法对于MakePurchase。如下所示更改MakePurchase.cshtml中的表单操作并检查 @using（Html.BeginForm（Sale，Sale，FormMethod.Post）） Hi all, I am new to ASP.NET MVC 3 and I trying to send back form data to the server but every time I click on submit button the form is reloaded and all data is lost.Below are part of my codes:SaleController.cspublic class SaleController : Controller { // GET: /Sale/ public ViewResult MakePurchase() { return View("MakePurchase"); } [HttpPost] public ViewResult Sale(Sale sale) { return View("Sale",sale); } [HttpGet] public ViewResult Sale() { return View(); } }MakePurchase.cshtml@model SalesTax.Models.Sale@{ Layout = null;}<!DOCTYPE html><html><head> <title>MakePurchase</title></head><body> <div> @using (Html.BeginForm()) { <p>Product: @Html.TextBoxFor(x => x.Product)</p> <p>Quantity: @Html.TextBoxFor(x => x.Quantity)</p> <p>Price: @Html.TextBoxFor(x => x.Price)</p> <p>Type: @Html.TextBoxFor(x => x.Type)</p> <p>Origin: @Html.TextBoxFor(x => x.Origin)</p> <input type = "submit" value="MakePurchase"/> } </div></body></html>Sale.cshtml@model SalesTax.Models.Sale@{ Layout = null;}<!DOCTYPE html><html><head> <title>Sale</title></head><body> <div> @{double tax = Model.CalculateTax(Model.Quantity, Model.Price, Model.Type, Model.Origin); } Your tax for this Product is: <p>Rs. @tax</p><br/> @{double finalPrice = Model.Price + tax;} Final Price(Tax included): <p>Rs. @finalPrice</p><br/> </div></body></html>Sale.csnamespace SalesTax.Models{ public class Sale { public string Product { get; set; } public int Quantity { get; set; } public double Price { get; set; } public string Type { get; set; } public string Origin { get; set; } public double CalculateTax(int Quantity, double Price, string Type, string Origin){ double tax = 0.0; for (int i = 0; i < Quantity; i++) { if (!(Type.Equals("Book") || Type.Equals("Food") || Type.Equals("Medical"))) { tax += Price * 0.1; if (Origin.Equals("Imported")) { tax += Price * 0.05; } } else{ if (Origin.Equals("Imported")) { tax += Price * 0.05; } } } return tax; } }} 解决方案 seems you dont have any post method for MakePurchase. Change the form action in MakePurchase.cshtml as below and check@using (Html.BeginForm("Sale","Sale", FormMethod.Post)) 这篇关于MVC3不断重新加载表单页面的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 10-14 06:55