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there was an error running the selected code generator unable to retrieve metadata for 阅读全文
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问题描述 Severity Code Description Project File Line Suppression State Error 未能加载文件或程序集“netfx.force.conflicts”或它的某一个依赖项。不应出于执行的目的加载引用程序集。只能在仅限反射的加载程序上下文中加 阅读全文
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Try setting (in global.cs): I think it's important to note why this works: This tells the AntiForgery class to use the NameIdentifier (which is the us 阅读全文
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This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is ..\packages\Microsoft.Net.Compilers.1.0.0\build\Microsoft.Net.Compilers.props 阅读全文
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I have navigate lots of similar pages on the web, but most of them use a new project instead of an existing one, or not have the necessary features. So, I have an existing MVC5 project and want to integrate ASP.NET MVC5 Identity with log in, email confirmation and password reset features. In addition to this, I also need to create all the necessary tables on the database i.e. User, Roles, groups, etc. (I use EF Code First in my project). Is there any article or sample that corresponds these need 阅读全文
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If your mappings aren't being updated that is strange. You can try to force it by deleting the `mappings.bin `in the `app_data` folder, and **`restarting the application`**. Orchard should recreate the nhibernate mappings and save as mappings.bin. 阅读全文
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首先不要纠缠界面问题。界面应该由专业的美工和可用化设计人员来设计,它只是需要编程人员支持而不是纠缠在编程中。
对于编程部分的算法,我写其中一种方法的demo简单演示一下: 阅读全文
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Implementing HTTPS Everywhere in ASP.Net MVC application. HTTPS everywhere is a common theme of the modern infosys topics. Despite of that when I goog 阅读全文
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FormData对象,是可以使用一系列的键值对来模拟一个完整的表单,然后使用XMLHttpRequest发送这个"表单"。
在 Mozilla Developer 网站 使用FormData对象 有详尽的FormData对象使用说明。
但上传文件部分只有底层的XMLHttpRequest对象发送上传请求,那么怎么通过jQuery的Ajax上传呢?
本文将介绍通过jQuery使用FormData对象上传文件。 阅读全文
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找出所有不重复的数据 阅读全文
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How do I add new attribute (element) to JSON object using JavaScript? JSON stands for JavaScript Object Notation. A JSON object is really a string tha 阅读全文
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Dapper是.NET下一个micro的ORM,它和Entity Framework或Nhibnate不同,属于轻量级的,并且是半自动的。也就是说实体类都要自己写。它没有复杂的配置文件,一个单文件就可以了 阅读全文
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dbo是一个构架(schema),与sql2000不同的是,在sql2005中,表的调用格式如下:"数据库名.构架名.表名",同一个用户可以被授权访问多个构架,也可以被禁止访问某个或多个构架,这就是2005中提倡的"用户与构架分离"的概念.在2005中,如果在创建表时没有指定构架(schema),那么系统默认该表的构架是dbo,所以会出现很多表名前自动加上dbo.字符样式. 阅读全文
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```
foreach (ModelState modelState in ViewData.ModelState.Values) { foreach (ModelError error in modelState.Errors) { DoSomethingWith(error); }
}
``` 阅读全文
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How do I convert an enum to a list in C ? This will return an of all the values of an Enum. If you want that to be a , just add after . To use the Cas 阅读全文
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We are getting the following "Error" message in our MVC web application in Visual studio 2017 Enterprise. The language service is disabled for project 阅读全文
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If IsPersistent property of AuthenticationProperties is set to false, then the cookie expiration time is set to Session. If checkbox "remember me" is 阅读全文
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添加Startup.Auth.cs 添加Startup.cs 注意要添加[assembly: OwinStartup(typeof(Startup))] 在代码中就可以自己设置登录状态了 阅读全文
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excel中批量删除公式,保留数值 ALT+F11进入VBE编辑界面,菜单 工具 添加模块,复制粘贴9楼代码,ALT+F11返回工作表,ALT+F8执行宏macro1. 阅读全文
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I find using the following works quite well for SQL min/max dates after many DB related errors: 阅读全文