Read the web.config value from the aspx page in Classic ASP site

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I have an asp site. I have some aspx also and put those pages into the asp site. Now I am able to access those pages through the asp site. However, there are some pages those are fetching the connection string or some AppSetting key-values from the web.config value.

C#

connectionString = 
  Convert.ToString(System.Configuration.ConfigurationManager.AppSettings["ConnString"]);

But as soon as I access those pages it shows the error

C#

The ConnectionString property has not been initialized.

I have put the following code in the home.aspx page and called the page in the browser. But it does not show any value.

C#

<% Response.Write(Convert.ToString(System.Configuration.ConfigurationManager.AppSettings["ConnString"]);) %>

Please let me know how to access the web.config file values through the aspx page those are inside of the asp site. The web.config file and those pages are on the same root folder. Is there any setting in the IIS?

Posted 11-Feb-15 17:11pm

PankajSaha

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Anisuzzaman Sumon 12-Feb-15 0:56am

We cannot see your PC nor we read your mind .please show contents of Web.config and .Show more code.

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suthar parth · Answer 1 · 2015-02-11T20:01:00

Hello,

First define your value in web.config as per below code,

<configuration>
<appsettings>
<add key="Connstring" value="your value" />
</appsettings>
</configuration>

Then write below code in your aspx.cs page,

string Connstring = System.Configuration.ConfigurationManager.AppSettings["Connstring"];