/// <summary>
///
/// </summary>
/// <param name="email">e-mail</param>
/// <param name="providerName">Nombre del proveedor de membership</param>
/// <returns>Nombre del usuario</returns>
public static string GetUserNameByEmail(string email, string providerName)
{
SqlMembershipProvider wProvider = GetSqlMembershipProvider(providerName);
return(wProvider.GetUserNameByEmail(email));
}
