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data使用数据验证
使用Data
Annotations进行手动
数据验证
原文:
使用Data
Annotations进行手动
数据验证
Data
Annotations是在Asp.Net中用于表单验证的,它通过Attribute直接标记字段的有效性,简单且直观。在非Asp.Net程序中(如控制台程序),我们也可以
使用Data
Annotations进行手动
数据验证
的,...
使用Data
Annotations进行手动
数据验证
在非Asp.Net程序中(如控制台程序),我们也可以
使用Data
Annotations进行手动
数据验证
的,一个简单的例子如下(需要添加System.ComponentModel.DataAnnotations.dll的引用):static void Main(string[]args){ var user=new User();...
使用
DataAnnotations实现
数据验证
https://msdn.microsoft.com/zh-cn/library/system.componentmodel.dataannotations.aspx http://www.cnblogs.com/9988/archive/2012/04/25/2469838.html 实例:...
MetadataType的
使用
,MVC的Model层
数据验证
ActivityFlowContent是实体模型的model类/ActivityFlowContentMetadata是自己写的model类/这两个类属性相同可以形成映射关系,ActivityFlowContent中还可以加其他额外字段[MetadataType(typeof(ActivityFlowContentMetadata))]public ...
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数据湖构建
数据湖构建服务作为云原生数据湖架构核心组成部分,帮助用户简单快速地构建云原生数据湖解决方案。数据湖构建提供湖上元数据统一管理、企业级权限控制,并无缝对接多种计算引擎,打破数据孤岛,洞察业务价值。
免费试用
管理控制台
产品文档
产品简介
用户指南
相关推荐
对象存储 OSS
大数据计算
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数据湖构建
数据湖构建服务作为云原生数据湖架构核心组成部分,帮助用户简单快速地构建云原生数据湖解决方案。数据湖构建提供湖上元数据统一管理、企业级权限控制,并无缝对接多种计算引擎,打破数据孤岛,洞察业务价值。
免费试用
管理控制台
产品文档
产品简介
用户指南
相关推荐
对象存储 OSS
大数据计算