Where To Store Connection String In Web.Config

Mar 25, 2011

We can store Connection String in Web.config file in two ways One is

<connectionStrings>
<clear/>
<add name="LocalSqlServer"
connectionString="Data Source=(local);Initial Catalog=aspnetdb;Integrated Security=True"
providerName="System.Data.SqlClient" />
</connectionStrings>

Other One is

<appSettings>
<add key="ConnectionString"
value="server=localhost;database=Northwind;uid=sa;password=secret;" />
</appSettings>

Now I want to know What is difference between these two approach? Which one is better way? What are their limitations?

UPDATE:Can you explain that <connectionString> has any significant advantage over <appSetting>?

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