CODEWITHSUNDEEP
javascriptasp.net
user544079
user544079

Reputation: 16639

Read web.config values from Javascript

I want to read an app key from the web.config file via java script. The web.config key to be read 

<appSettings>
      <add key="Key1" value="value1" />
<appSettings>

I include the following inside my java script function.

function Evaluate() {
    var key = '<%=ConfigurationManager.AppSettings["Key1"].ToString() %>';
    alert(key);
}

However, I end up getting <%=ConfigurationManager.AppSettings["Key1"].ToString() %> in the alert.

What am i missing?

Upvotes: 6

Views: 28020

Answers (2)

Thiago Ara&#250;jo
Thiago Ara&#250;jo

Reputation: 820

After to put the values on the config file, on the page that you will use the value put the java script this way bellow: You will access the value in the java script as a global, not necessary to declare it.

on the web config:

 </appSettings>
    <add key="varName" value="1" />
  </appSettings>

on the html page:

<script>
    var varName= '@System.Configuration.ConfigurationManager.AppSettings["varName"]';
</script>

Upvotes: 5

Dusty
Dusty

Reputation: 643

The <%= => tag is only going to execute if it is within a .aspx file. If you place it within a .js file, then it will just be like any other text. In order for your code to work, the javascript you posted would have to be embedded within the .aspx file.

Upvotes: 14

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