[英]Centralize connection strings for multiple projects within the same solution
I currently have three projects in my solution that all have their own App.config file with the same exact connection string. 目前,我的解决方案中有三个项目,每个项目都有自己的App.config文件,具有相同的确切连接字符串。
Is there a way to consolidate the connections strings / app.config files so that I only need to make changes to one location? 有没有一种方法可以合并连接字符串/ app.config文件,这样我只需要对一个位置进行更改?
You can share the connection strings among multiple projects in a solution as follows: 您可以在解决方案中的多个项目之间共享连接字符串,如下所示:
Create a ConnectionStrings.config
file with your connection strings under a solution folder, this file should contain only the section connectionStrings
使用解决方案文件夹下的连接字符串创建一个ConnectionStrings.config
文件,该文件应仅包含connectionStrings
部分
In your projects, add this config file As a Link (add existing item, add as link) 在您的项目中,将此配置文件添加为链接(添加现有项,添加为链接)
Copy to Output Directory
to Copy always
or Copy if newer
选择添加的文件并将其属性“ Copy to Output Directory
为Copy always
Copy if newer
或Copy if newer
App.config
of your projects, point to the linked ConnectionStrings.config
file using the configSource
attribute: <connectionStrings configSource="ConnectionStrings.config" />
在项目的App.config
中,使用configSource
属性指向链接的ConnectionStrings.config
文件: <connectionStrings configSource="ConnectionStrings.config" />
ConnectionStrings.config ConnectionStrings.config
<connectionStrings>
<add name="myConnStr" connectionString="Data Source=(local); Initial Catalog=MyDB;Integrated Security=SSPI;" providerName="System.Data.SqlClient" />
</connectionStrings>
App.config App.config
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
...
<connectionStrings configSource="ConnectionStrings.config" />
...
</configuration>
There's a few ways you could do it: 有几种方法可以做到:
For me, i always work with the last solution :) Good luck! 对我来说,我总是使用最后一种解决方案:)祝您好运!
First, take a look at this post. 首先,看看这篇文章。 It describes how you can share the same app.config between multiple projects. 它描述了如何在多个项目之间共享相同的app.config。
How to Share App.config? 如何共享App.config?
Second, take a look at one other post, which describes how you let different app.config-files have a reference to one single shared xml-file which contains the connection strings. 其次,看看另一篇文章,它描述了如何让不同的app.config文件引用一个包含连接字符串的单个共享xml文件。
Use XML includes or config references in app.config to include other config files' settings 在app.config中使用XML包含或配置引用来包含其他配置文件的设置
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