This ASP.NET tutorial explains how to create Oracle connection string.
You should add a ConnectionStrings element in your Web.config file. The samle connection string for Oracle database might look like the following:
<add name=”OracleConnectionString” connectionString=”Data Source=OracleS;Persist Security Info=True;Password=”******”;User ID=Test” providerName=”System.Data.OracleClient” />
name - set the value to the name that you want to use to reference the connection string.
connectionString - assign the connection string [...]