Can we read connection string from Application config in asp.net web application

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Is it possible to read connection string from Application config in asp.net web application.If so How?

Posted 12-Jul-12 22:45pm

Benoy Benin

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Prasad_Kulkarni · Answer 1 · 2012-07-12T23:09:00

First, set the connection string in App.Config File.

HTML

<configuration>
  <connectionstrings>
    <add name="CharityManagement">
    connectionString="Data Source=.;Initial Catalog=CharityManagement;Integrated Security=True"/>
  </add></connectionstrings>
</configuration>

In your forms; set references that you want to use.

C#

using System.Data.SqlClient;

Then you can get Connection String from App.Config by use ConnectionStrings properties.

C#

var connectionString=ConfigurationManager.ConnectionStrings["CharityManagement"].ConnectionString;

Refer: http://msdn.microsoft.com/en-us/library/ms178411.aspx[^]

Sebastian T Xavier · Answer 2 · 2012-07-12T22:50:00

Try this ..

XML

<Configuration>
    <connectionStrings>
        <add name="AppName" connectionString="Connectionstring Name" />
    </connectionStrings>
</Configuration>

C#

System.Configuration.ConfigurationManager.ConnectionStrings["AppName"].ToString();

Here is the detailed example

http://www.dotnetfunda.com/articles/article283.aspx[^]

http://www.dreamincode.net/forums/topic/45321-grabbing-connectionstring-from-appconfig/[^]

http://csharpdotnetfreak.blogspot.com/2012/07/webconfig-connectionstring-appsettings.html[^]

Regards
Sebastian

jeyamothi · Answer 3 · 2012-07-12T23:00:00

Yes, you can do like this

in web.config:

XML

<Configuration>
    <connectionStrings>
        <add name="ConnectionString" connectionString="Connectionstring Name" />
    </connectionStrings>
</Configuration>

your solution page:

Dim ConStr As String = ConfigurationSettings.AppSettings("ConnectionString")

StianSandberg · Answer 4 · 2012-07-12T23:02:00

Solution 3

web.config is used with web applications. web.config will by default have several configurations required for the web application. You can have a web.config for each folder under your web application.

app.config is used for windows applications. When you build the application in vs.net, it will be automatically renamed to .exe.config and this file has to be delivered along with your application.

I suggest you copy your app-settings into web.config file.

Posted 12-Jul-12 23:02pm

StianSandberg

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Benoy Benin 13-Jul-12 5:05am

I have a class library,i need to get connection there without using web config.

StianSandberg 13-Jul-12 5:29am

ok, but you are running this class library in a web application? or is it a windows form? Console app?

Can we read connection string from Application config in asp.net web application

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