Javascript是否可以从web.config AppSettings获得价值？

Question

I have an aspx page, without the code behind cs file.

therefore, if I wanted to get the value from web.config AppSetting,

is it possible to do this in JavaScript or jQuery?

Appreciate if you could provide me some references, thank you.

Answer 1

Not directly. The config files are locked down by IIS so direct access is impossible. You will have to go via Ajax to the server and request the setting.

Use this to make the call to the server asynchronously

http://api.jquery.com/jQuery.ajax/

You will need either a Web Method/ Service / Controller Action (if MVC) to handle the incoming request.

Alternatively send the value down in the initial page request via a hidden field or JavaScript variable set.

Answer 2

I would add a asp Hidden field and then set its value on page load from web.config. You can access that information from JQuery.

Answer 3

The answer is here :

Can i read data from web.config using JQuery?

"Jquery is javascript that runs in your browser, your web.config resides on your server..."
The simple answer is : Not directly , you will have to call a webSerivce method .
It is common that you get the web.config parameters in your code behind.

Answer 4

由于相当明显的安全原因，IIS默认情况下不会提供Web.Config（或其他文件类型的选择），因此您需要通过Ajax调用或类似方法将应用程序设置返回给jQuery。