在Asp.Net MVC中实现CompareValues标签对Model中的属性进行验证 在Asp.Net MVC中可以用继承ValidationAttribute的方式,自定制实现Model两个中两个属性值的比较验证 具体应用场景为:要对两个属性值的大小进行验证 代码如下所示: /// <summary> /// Specifies that the field must compare favourably with the named field, if objects to che
In this lesson, you will learn how to check whether or not a property value satisfies a particular rule. For this purpose, the DemoTask.Status property and the MarkCompleted Action will be used. This action should not be executed if the current task
This lesson explains how to set rules for business classes and their properties. These rules are validated when an end-user executes a specified operation. This lesson will guide you through implementation of a rule that requires that the Position.Ti
This lesson explains how to set rules for business classes and their properties. These rules are validated when an end-user executes a specified operation. This lesson will guide you through implementation of a rule that requires that the Position.Ti
原文:[ASP.NET MVC]如何定制Numeric属性/字段验证消息 对于一个Numeric属性/字段,ASP.NET MVC会自动进行数据类型的验证(客户端验证),以确保输入的是一个有效的数字,但是呈现在页面上的错误消息总是一段固定的文本:“The field {0} must be a number”,本篇提供一种解决方案使我们可以对此验证消息进行定制.[源代码从这里下载] 目录 一.针对Numeric属性/字段默认验证消息 二.默认的验证消息来源于何处? 三.通过自定义ModelVal
Get和Set在属性中的作用: 第一个作用:保证数据的安全性,对字段进行了有效的保护. 第二个作用:起到监视作用 private int width=0; public int Width { get{return width;} set{width=value*2;} } 可以监视字段的变化,在Set中使用 private int width=0; public int Width { get{return width;} set { //Do something width=value; }