C# DateTime类代码示例

 public object WithRefsWithReturn(
     ref string param1,
     ref int param2,
     ref short param3,
     ref long param4,
     ref uint param5,
     ref ushort param6,
     ref ulong param7,
     ref bool param8,
     ref double param9,
     ref decimal param10,
     ref int? param11,
     ref object param12,
     ref char param13,
     ref DateTime param14,
     ref Single param15,
     ref IntPtr param16,
     ref UInt16 param17,
     ref UInt32 param18,
     ref UInt64 param19,
     ref UIntPtr param20
     )
 {
     throw new Exception("Foo");
 }

 /// <summary>
 /// ดึงรายชื่อพนักงานตามเงื่อนไขที่กำหนด เพื่อนำไปแสดงบนหน้า ConvertByPayor
 /// </summary>
 /// <param name="doeFrom"></param>
 /// <param name="doeTo"></param>
 /// <param name="payor"></param>
 /// <returns></returns>
 public DataTable getPatient(DateTime doeFrom,DateTime doeTo,string payor,string mobileStatus)
 {
     System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
     #region Variable
     var dt = new DataTable();
     var strSQL = new StringBuilder();
     var clsSQL = new clsSQLNative();
     #endregion
     #region Procedure
     #region SQLQuery
     strSQL.Append("SELECT ");
     strSQL.Append("No,HN,PreName,Name,LastName,DOE,Payor,SyncWhen,'0' IsConvertPreOrder ");
     strSQL.Append("FROM ");
     strSQL.Append("Patient P ");
     strSQL.Append("WHERE ");
     strSQL.Append("(DOE BETWEEN '" + doeFrom.ToString("yyyy-MM-dd HH:mm") + "' AND '" + doeTo.ToString("yyyy-MM-dd HH:mm") + "') ");
     if(payor!="" && payor.ToLower() != "null")
     {
         strSQL.Append("AND Payor='"+payor+"' ");
     }
     if (mobileStatus == "NotRegister")
     {
         strSQL.Append("AND SyncStatus!='1' ");
     }
     else if (mobileStatus == "Register")
     {
         strSQL.Append("AND SyncStatus='1' ");
     }
     strSQL.Append("ORDER BY ");
     strSQL.Append("No;");
     #endregion
     dt = clsSQL.Bind(strSQL.ToString(), clsSQLNative.DBType.SQLServer, "MobieConnect");
     #endregion
     return dt;
 }

	void OnTick(object sender, EventArgs e)
	{
		Ped player = Game.Player.Character;

		if (Game.IsControlPressed(2, Control.VehicleExit) && DateTime.Now > this.mLastExit && player.IsInVehicle())
		{
			Wait(250);

			Vehicle vehicle = player.CurrentVehicle;
			bool isDriver = vehicle.GetPedOnSeat(VehicleSeat.Driver) == player;

			if (Game.IsControlPressed(2, Control.VehicleExit))
			{
				player.Task.LeaveVehicle(vehicle, true);
			}
			else
			{
				player.Task.LeaveVehicle(vehicle, false);

				Wait(0);

				if (isDriver)
				{
					vehicle.EngineRunning = true;
				}
			}

			this.mLastExit = DateTime.Now + TimeSpan.FromMilliseconds(2000);
		}
	}

        /// <summary>
        /// Tries to parse a string to a DateTime.
        /// </summary>
        /// <param name="text">The text that should be parsed.</param>
        /// <param name="culture">The culture being used.</param>
        /// <param name="result">The parsed DateTime.</param>
        /// <returns>
        /// True if the parse was successful, false if it was not.
        /// </returns>
        /// <remarks>The parsing is culture insensitive. A user can type 8p to
        /// indicate 20:00:00, or 20.</remarks>
        public override bool TryParse(string text, CultureInfo culture, out DateTime? result)
        {
            Match match = exp.Match(text);

            if (match.Success)
            {
                bool pm = text.Contains("p", StringComparison.OrdinalIgnoreCase);

                result = null;

                int hours = int.Parse(match.Groups["hours"].Value, culture);
                if (hours > 23)
                {
                    return false;
                }
                int minutes = match.Groups["minutes"].Success && match.Groups["minutes"].Value.Length > 0 ? int.Parse(match.Groups["minutes"].Value, culture) : 0;
                if (minutes > 59)
                {
                    return false;
                }
                int seconds = match.Groups["seconds"].Success && match.Groups["seconds"].Value.Length > 0 ? int.Parse(match.Groups["seconds"].Value, culture) : 0;
                if (seconds > 59)
                {
                    return false;
                }

                result = DateTime.Now.Date.AddHours(hours).AddMinutes(minutes).AddSeconds(seconds);
                result = result.Value.AddHours(pm && hours < 12 ? 12 : 0);
                return true;
            }
            result = null;
            return false;
        }

 public static DateTime DiscardDayTime(DateTime d)
 {
     int year = d.Year;
     int month = d.Month;
     DateTime newD = new DateTime(year, month, 1, 0, 0, 0);
     return newD;
 }

 protected void Page_Load(object sender, EventArgs e)
 {
     if (!IsPostBack)
     {
         if (Request.QueryString["m"] != null)
         {
             try
             {
                 ShowDate = ShowDate.AddMonths(Int32.Parse(Request.QueryString["m"]));
             }
             catch
             {
                 // ignore invalid 'm' parameter -- show current month
             }
         }
         ddMonth.Items.Add(new ListItem(System.DateTime.Now.ToString("MMMM yyyy"), "0"));
         ddMonth.Items.Add(new ListItem(System.DateTime.Now.AddMonths(-1).ToString("MMMM yyyy"), "-1"));
         if (Request.QueryString["m"] != null)
             ddMonth.SelectedValue = Request.QueryString["m"];
     }
     else
     {
         ErrorMessageLabel.Visible = false;
         GridView1.Visible = true;
     }
 }

 private void SetInitInputTime(DateTime time)
 {
     Configuration cfg = WebConfigurationManager.OpenWebConfiguration("~");
     cfg.AppSettings.Settings[theKeyName].Value = time.ToString();
     cfg.Save();
     Label1.Text = "初始录入结束时间已设置为" + time.ToString();
 }

 protected void ddlYear_SelectedIndexChanged(object sender, EventArgs e)
 {
     DateTime newday = new DateTime(int.Parse(ddlYear.SelectedValue),int.Parse(ddlMonth.SelectedValue),1);
     string querystring = this.Page.Request.QueryString.ToString();
     querystring = querystring.Replace("Day=" + strDay, "Day=" + newday.ToShortDateString().Replace('/', '-'));
     this.Page.Response.Redirect(this.Page.Request.Path + "?" + querystring);
 }

    protected void btnSearch_Click(object sender, EventArgs e)
    {
        string sDate = Request.Form[txtStartDate.ID].Trim();
        string eDate = Request.Form[txtEndDate.ID].Trim();

        if (string.IsNullOrEmpty(sDate) && string.IsNullOrEmpty(eDate))
        {
            return;
        }
        else
        {
            DateTime startDate = new DateTime(1999, 1, 1);
            DateTime endDate = new DateTime(1999, 1, 1);
            if (!DateTime.TryParse(sDate, out startDate))
            {
                startDate = new DateTime(1999, 1, 1);
            }
            if (DateTime.TryParse(eDate, out endDate))
            {
                endDate = new DateTime(endDate.Year, endDate.Month, endDate.Day, 23, 59, 59);
            }
            else
            {
                endDate = new DateTime(1999, 1, 1);
            }
            PaginationQueryResult<WrongOrder> result = WrongOrderOperation.GetWrongOrderByCompanyIdAndDate(PaginationHelper.GetCurrentPaginationQueryCondition(Request), user.CompanyId, startDate, endDate);
            rpWrongOrder.DataSource = result.Results;
            rpWrongOrder.DataBind();

            pagi.TotalCount = result.TotalCount;
        }
    }

 public STD_CBEExam(
     int cBEExamID,
     string candidateName,
     DateTime dOB, 
     string gender, 
     string regiNo, 
     string instituteName, 
     string tel, 
     string mobile, 
     string email, 
     string feesDescription, 
     string addedBy, 
     DateTime addedDate, 
     string updatedBy, 
     DateTime updatedDate, 
     int rowStatusID
     )
 {
     this.CBEExamID = cBEExamID;
     this.CandidateName = candidateName;
     this.DOB = dOB;
     this.Gender = gender;
     this.RegiNo = regiNo;
     this.InstituteName = instituteName;
     this.Tel = tel;
     this.Mobile = mobile;
     this.Email = email;
     this.FeesDescription = feesDescription;
     this.AddedBy = addedBy;
     this.AddedDate = addedDate;
     this.UpdatedBy = updatedBy;
     this.UpdatedDate = updatedDate;
     this.RowStatusID = rowStatusID;
 }

    protected void Page_Load(object sender, EventArgs e)
    {
        var q = Request["q"];
        var size = Request["size"];
        if (string.IsNullOrEmpty(size)) size = "10";
        var trangThai = Request["TrangThai"];

        Ngay = Request["Ngay"];
        var url = string.Format("?q={0}&size={1}&TrangThai={2}&Ngay={3}&", q, size, trangThai, Ngay) + "{1}={0}";
        var tuNgay = "";
        var denNgay = "";
        if (!string.IsNullOrEmpty(Ngay))
        {
            Ngay = Server.UrlDecode(Ngay);
            var d = Convert.ToDateTime(Ngay, new CultureInfo("Vi-vn"));
            tuNgay = new DateTime(d.Year, d.Month, d.Day).AddDays(-1).ToString("yyyy-MM-dd");
            denNgay = new DateTime(d.Year, d.Month, d.Day).AddDays(1).ToString("yyyy-MM-dd");
        }

        using (var con = DAL.con())
        {

            var pg =
                PhieuDichVuDal.pagerTdToc(con, url, false, "PDV_Ma desc", q, Convert.ToInt32(size), trangThai
                , Security.UserId.ToString(), tuNgay, denNgay);
            List.List = pg.List;
            paging = pg.Paging;

        }
    }

    public bool PosTest1()
    {
        bool retVal = true;
        TestLibrary.TestFramework.BeginScenario("Verify DateTime.Hour property when DateTime instance's hour is assigned...");

        try
        {
            TestLibrary.Utilities.CurrentCulture = new CultureInfo("");
            DateTime myDateTime = new DateTime(0978, 08, 29, 03, 00, 00);
            int hour = myDateTime.Hour;

            if (hour != 3)
            {
                TestLibrary.TestFramework.LogError("001","The hour is not correct!");
                retVal = false;
            }

        }
        catch (Exception e)
        {
            TestLibrary.TestFramework.LogError("002","Unexpected exception occurs: " + e);
            TestLibrary.TestFramework.LogInformation(e.StackTrace);
            retVal = false;
        }

        return retVal;
    }

    public bool PosTest2()
    {
        bool retVal = true;
        TestLibrary.TestFramework.BeginScenario("Verify DateTime.Hour property When DateTime instance is only assigned year month and day...");

        try
        {
            TestLibrary.Utilities.CurrentCulture = new CultureInfo("");
            DateTime myDateTime = new DateTime(1978,08,29);
            int hour = myDateTime.Hour;

            if (hour != 0)
            {
                TestLibrary.TestFramework.LogError("003","The hour is not zero when no value is assigned at init time!");
                retVal = false;
            }
        }
        catch (Exception e)
        {
            TestLibrary.TestFramework.LogError("", "");
            TestLibrary.TestFramework.LogInformation(e.StackTrace);
            retVal = false;
        }

        return retVal;
    }

 /// <summary>
 /// Récupère la liste des évenements
 /// </summary>
 /// <param name="date"></param>
 /// <param name="controler"></param>
 public async void InitEvent(DateTime date, EventControler controler)
 {
     Controler = controler;
     List<GoogleCalendar.Data.Event> events = await Controler.GetAllEvents();
     UpdateEvent(date, events);
     
 }

 public WeekCalendar(DateTime date)
 {
     Date = date;
     this.InitializeComponent();
     Canvas = new Canvas[24, 7];
     initBorder();
 }