/// <summary>
/// Reads Connection Strings from Web.config or App.config.
/// </summary>
public static void ReadFromConfiguration()
{
if (ConfigurationManager.ConnectionStrings != null && ConfigurationManager.ConnectionStrings.Count > 0)
{
for (int index = 0; index < ConfigurationManager.ConnectionStrings.Count; index++)
{
var connString = ConfigurationManager.ConnectionStrings[index];
ConnectionStrings.AddOrUpdate(connString.Name, connString.ConnectionString, (oldString, newString) => newString);
DbProviderFactory provider = GetProviderFactory(connString.ProviderName);
DbProviders.AddOrUpdate(connString.Name, provider, (name, oldProvider) => provider);
}
}
}