How To Read Web.config File From Javascript
Feb 8, 2011
When the user clicks on it, another .aspx page should pop up. I used the code below and it works fine. But when we deploy this .aspx page, the IP address of the target IIS server will be different. So I am thinking of saving the IP address of target IIS server in web.config file and load it into the Window.open method of Javascript code (below).Qusetion 1: Is that right way to do? If so, how I can read web.config file from Javascript?
Code:
<script type="text/javascript">
function open_win() {
window.open("http://10.999.1.86/WebUI/HistoricalRuns.aspx", "_blank", "toolbar=no, location=yes, directories=no, status=no, menubar=yes, scrollbars=yes, resizable=yes, copyhistory=no, width=1000, height=500");
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Example 1:
<!-- This is an example Web.config file -->
[Code]....
In this article, we will see how to read the configuration settings in the web.config using 'JavaScript'.
Step 1: Create a new ASP.NET website. Add a button control to the Default.aspx.
Step 2: Right click the project > Add New Item > Web Configuration File
Add the following sample entry to the appSettings section in the web.config between the <configuration> tag as shown in the example 1:
<add key="var1" value="SomeValue"/>
Step 3: To read these entries using JavaScript, add the following script in the <head> tag of your Default.aspx page as shown below:
<head runat="server">
<title></title>
<script type="text/javascript">
function ReadConfigSettings()
{
var v1 = '<%=ConfigurationManager.AppSettings["var1"].ToString() %>'
alert(v1);
}
</script>
</head>
Step 4: Call this function on a button click and display the values of the configuration settings
<input type="button" value="Get" onclick="ReadConfigSettings();" />
That's it. Run the application and click the button. The value of the key in the appSettings will be displayed in the alert window. I hope you liked this short article.
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