read web.config value is aspx file in javascript [duplicate]

Question

I am working on an ASP.NEt application. In one of the ASPX page, in the tag, in a function, I need to use a value from the Web.config file. I tried using couple of options online, but it not working.

Is it a good idea to read web.config value like this? If not, then is there a better way to do it? Please help

Mgetz · Accepted Answer · 2013-06-28 18:44:39Z

1

The Web.config file should never be read by anything that is not part of your web application. If you need a value out of it there are classes in System.Web.Configuration or System.Configuration that do exactly that. You can then use the read value and embed it in the page itself.

answered Jun 28, 2013 at 18:44

Mgetz

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2 Comments

Hozae741 Over a year ago

I agree, but when I use the System.Configuration in the Javascript function on ASPX page, its not working:"For example: <%ConfigurationManager.AppSettings["SiteRootURL"]%>"

Mgetz Over a year ago

You'll need to use it in the Page_Load handler in the code behind, assigning the value to a property you can then databind in the page itself.

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