/// <summary>
/// 确定序列是否包含任何元素
/// </summary>
public static bool Any <TSource>(this IDbQueryable <TSource> source)
{
return(source.Any(null));
}
/// <summary>
/// 确定序列是否包含任何元素
/// </summary>
public static bool Any <TSource>(this IDbQueryable <TSource> source)
{
return(source.Any(null));
}