yield return 示範

yield return.cs

void Main()
{
	var testSource = LookUp();
	testSource.Dump();
}
IEnumerable<DepositModels> LookUp()
{

	for (int i = 0; i < 3; i++)
	{
		yield return new DepositModels
		{
			Category = i,
			Date = DateTime.UtcNow.AddDays(i),
			Money = i & 1000
		}
    }

}
class DepositModels
{
	public int Category { get; set; }
	public DateTime Date { get; set; }
	public int Money { get; set; }

}