以下是我经过 一个多星期，摸索出来，考虑的也比较全面的 生日提醒代码，因为生日提醒涉及到 有的是公历，有的农历，还有2月29日 出生，日期处理
总的思路
一.把农历转成公历
二.再分别对待公历生日，农历生日处理。
protected void TongYi()
{
DataSet MyDataSet = DBUtility.DbHelperSQL.GetDataSet("select * from ERPUser where DATEDIFF ( DAY , GETDATE() , TongYi )<0 and ZaiGang=‘在岗‘ ");
for (int j = 0; j < MyDataSet.Tables[0].Rows.Count; j++)
{
BLL.ERPUser MyModel = new BLL.ERPUser();
MyModel.ID = int.Parse(MyDataSet.Tables[0].Rows[j]["ID"].ToString());
if (MyDataSet.Tables[0].Rows[j]["PanDuan"].ToString() == "公历")
{
#region 公历生日
string gonglitongyi = "2014-5-12";
DateTime dt2 = Convert.ToDateTime(MyDataSet.Tables[0].Rows[j]["BirthDay"].ToString());
int pox = toResult(MyDataSet.Tables[0].Rows[j]["BirthDay"].ToString());
if (pox <= 0)
{
#region
if ((dt2.Month == 2) && (dt2.Day == 29))
{
gonglitongyi = DateTime.Now.Year.ToString() + "-" + dt2.Month.ToString() + "-" + "28";
}
else
{
gonglitongyi = DateTime.Now.Year.ToString() + "-" + dt2.Month.ToString() + "-" + dt2.Day.ToString();
}
#endregion
}
else
{
#region
if ((dt2.Month == 2) && (dt2.Day == 29))
{
gonglitongyi = (Convert.ToInt32(DateTime.Now.Year.ToString()) + 1).ToString() + "-" + dt2.Month.ToString() + "-" + "28";
}
else
{
gonglitongyi = (Convert.ToInt32(DateTime.Now.Year.ToString()) + 1).ToString() + "-" + dt2.Month.ToString() + "-" + dt2.Day.ToString();
}
#endregion
}
MyModel.TongYi = gonglitongyi;
MyModel.NianDai = DateTime.Now.Year.ToString();
#endregion
}
else if (MyDataSet.Tables[0].Rows[j]["PanDuan"].ToString() == "农历")
{
#region
string riqi = MyDataSet.Tables[0].Rows[j]["NongLi"].ToString();
string moy = "9-18";
string[] arr = riqi.Split(‘-‘);
if (arr.Length.ToString() == "3")
{
moy = arr[1] + "-" + arr[2];
}
arr = null;
ChineseLunisolarCalendar ChineseCalendar = new ChineseLunisolarCalendar();
int niandai = Convert.ToInt32(DateTime.Now.Year.ToString());
string biaozhun = ChineseCalendar.GetYear(DateTime.Now).ToString();//取农历年
string vtx2 = biaozhun + "-" + moy.ToString();
DateTime dt2 = Convert.ToDateTime(vtx2);
string sss = calendarChineseLunisolarToSolar(dt2).ToString();
int result = toResult2(sss);
if (result < 0)
{
biaozhun = (ChineseCalendar.GetYear(DateTime.Now) + 1).ToString();
}
else
{
biaozhun = ChineseCalendar.GetYear(DateTime.Now).ToString(); //取农历年
}
string vtx3 = biaozhun + "-" + moy.ToString();
DateTime dt3 = Convert.ToDateTime(vtx3);
string tongyidate = calendarChineseLunisolarToSolar(dt3).Year.ToString() + "-" + calendarChineseLunisolarToSolar(dt3).Month.ToString() + "-" + calendarChineseLunisolarToSolar(dt3).Day.ToString();
MyModel.TongYi = tongyidate;
MyModel.NianDai = DateTime.Now.Year.ToString();
#endregion
}
MyModel.Update2();
}
}
public int toResult(string d2)
{
string joinDate1 = "";
DateTime dt2 = Convert.ToDateTime(d2);
if ((dt2.Month == 2) && (dt2.Day == 29))
{
joinDate1 = (DateTime.Now.Year.ToString() + "-" + dt2.Month.ToString() + "-" + "28");
}
else
{
joinDate1 = (DateTime.Now.Year.ToString() + "-" + dt2.Month.ToString() + "-" + dt2.Day.ToString());
}
DateTime joinDate = Convert.ToDateTime(joinDate1);
TimeSpan ts = DateTime.Now - joinDate;
return ts.Days;
}
public int toResult2(string d2)
{
DateTime joinDate = Convert.ToDateTime(d2);
TimeSpan ts = joinDate - DateTime.Now;
return ts.Days;
}
/// <summary>
/// 将 农历(阴历) 转换为 公历(阳历,西历)
/// 如果传入的参数中的年份是润年，需要另外进行加上润月的天数，简单测试，但没有做过多的测试，不知是否完全正确
///
/// DateTime dt = Convert.ToDateTime("2010-05-21 00:00:00");
/// MessageBox.Show(calendarChineseLunisolarToSolar(dt).ToString());
///
/// </summary>
///
public static DateTime calendarChineseLunisolarToSolar(DateTime ChineseLunisolarDateTime)
{
System.Globalization.ChineseLunisolarCalendar cal = new System.Globalization.ChineseLunisolarCalendar();
if (ChineseLunisolarDateTime.Year < 1902 || ChineseLunisolarDateTime.Year > 2100)
throw new Exception("只支持1902～2100期间的农历年");
DateTime dt = cal.ToDateTime(ChineseLunisolarDateTime.Year, ChineseLunisolarDateTime.Month, ChineseLunisolarDateTime.Day, 0, 0, 0, 0);
//检测是否含有润月
int leapMonth = cal.GetLeapMonth(ChineseLunisolarDateTime.Year);
int leapMonthInDays = 0;
if ((leapMonth > 0) & (leapMonth <= ChineseLunisolarDateTime.Month))
// if (leapMonth > 0 & ChineseLunisolarDateTime.Month > leapMonth)
{
//有润月，则读到这个润月里面的天数
leapMonthInDays = cal.GetDaysInMonth(ChineseLunisolarDateTime.Year, ChineseLunisolarDateTime.Month);
}
dt = dt.AddDays(leapMonthInDays);
return dt;
}