I got this class for converting Hijri date to Georgian i want to use it in TextBoxes if i enter Hijri date in one text box it should convert that in georgian in another TextBox.
using System;
using System.Web;
using System.Diagnostics;
using System.Globalization;
using System.Data;
using System.Collections;
namespace Bahsas
{
/// <summary>
/// Summary description for Dates.
/// </summary>
public class Dates
{
private HttpContext cur;
private const int startGreg=1900;
private const int endGreg=2100;
private string[] allFormats={"yyyy/MM/dd","yyyy/M/d","dd/MM/yyyy","d/M/yyyy","dd/M/yyyy","d/MM/yyyy","yyyy-MM-dd","yyyy-M-d","dd-MM-yyyy","d-M-yyyy","dd-M-yyyy","d-MM-yyyy","yyyy MM dd","yyyy M d","dd MM yyyy","d M yyyy","dd M yyyy","d MM yyyy"};
private CultureInfo arCul;
private CultureInfo enCul;
private HijriCalendar h;
private GregorianCalendar g;
public Dates()
{
cur = HttpContext.Current;
arCul=new CultureInfo("ar-SA");
enCul=new CultureInfo("en-US");
h=new HijriCalendar();
g=new GregorianCalendar(GregorianCalendarTypes.USEnglish);
arCul.DateTimeFormat.Calendar=h;
}
/// <summary>
/// Check if string is hijri date and then return true
/// </summary>
/// <param name="hijri"></param>
/// <returns></returns>
public bool IsHijri(string hijri)
{
if (hijri.Length<=0)
{
cur.Trace.Warn("IsHijri Error: Date String is Empty");
return false;
}
try
{
DateTime tempDate=DateTime.ParseExact(hijri,allFormats,arCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
if (tempDate.Year>=startGreg && tempDate.Year<=endGreg)
return true;
else
return false;
}
catch (Exception ex)
{
cur.Trace.Warn("IsHijri Error :"+hijri.ToString()+"\n"+ex.Message);
return false;
}
}
/// <summary>
/// Check if string is Gregorian date and then return true
/// </summary>
/// <param name="greg"></param>
/// <returns></returns>
public bool IsGreg(string greg)
{
if (greg.Length<=0)
{
cur.Trace.Warn("IsGreg :Date String is Empty");
return false;
}
try
{
DateTime tempDate=DateTime.ParseExact(greg,allFormats,enCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
if (tempDate.Year>=startGreg && tempDate.Year<=endGreg)
return true;
else
return false;
}
catch (Exception ex)
{
cur.Trace.Warn("IsGreg Error :"+greg.ToString()+"\n"+ex.Message);
return false;
}
}
/// <summary>
/// Return Formatted Hijri date string
/// </summary>
/// <param name="date"></param>
/// <param name="format"></param>
/// <returns></returns>
public string FormatHijri(string date ,string format)
{
if (date.Length<=0)
{
cur.Trace.Warn("Format :Date String is Empty");
return "";
}
try
{
DateTime tempDate=DateTime.ParseExact(date,allFormats,arCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
return tempDate.ToString(format,arCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("Date :\n"+ex.Message);
return "";
}
}
/// <summary>
/// Returned Formatted Gregorian date string
/// </summary>
/// <param name="date"></param>
/// <param name="format"></param>
/// <returns></returns>
public string FormatGreg(string date ,string format)
{
if (date.Length<=0)
{
cur.Trace.Warn("Format :Date String is Empty");
return "";
}
try
{
DateTime tempDate=DateTime.ParseExact(date,allFormats,enCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
return tempDate.ToString(format,enCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("Date :\n"+ex.Message);
return "";
}
}
/// <summary>
/// Return Today Gregorian date and return it in yyyy/MM/dd format
/// </summary>
/// <returns></returns>
public string GDateNow()
{
try
{
return DateTime.Now.ToString("yyyy/MM/dd",enCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("GDateNow :\n"+ex.Message);
return "";
}
}
/// <summary>
/// Return formatted today Gregorian date based on your format
/// </summary>
/// <param name="format"></param>
/// <returns></returns>
public string GDateNow(string format)
{
try
{
return DateTime.Now.ToString(format,enCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("GDateNow :\n"+ex.Message);
return "";
}
}
/// <summary>
/// Return Today Hijri date and return it in yyyy/MM/dd format
/// </summary>
/// <returns></returns>
public string HDateNow()
{
try
{
return DateTime.Now.ToString("yyyy/MM/dd",arCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("HDateNow :\n"+ex.Message);
return "";
}
}
/// <summary>
/// Return formatted today hijri date based on your format
/// </summary>
/// <param name="format"></param>
/// <returns></returns>
public string HDateNow(string format)
{
try
{
return DateTime.Now.ToString(format,arCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("HDateNow :\n"+ex.Message);
return "";
}
}
/// <summary>
/// Convert Hijri Date to it's equivalent Gregorian Date
/// </summary>
/// <param name="hijri"></param>
/// <returns></returns>
public string HijriToGreg(string hijri)
{
if (hijri.Length<=0)
{
cur.Trace.Warn("HijriToGreg :Date String is Empty");
return "";
}
try
{
DateTime tempDate=DateTime.ParseExact(hijri,allFormats,arCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
return tempDate.ToString("yyyy/MM/dd",enCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("HijriToGreg :"+hijri.ToString()+"\n"+ex.Message);
return "";
}
}
/// <summary>
/// Convert Hijri Date to it's equivalent Gregorian Date and return it in specified format
/// </summary>
/// <param name="hijri"></param>
/// <param name="format"></param>
/// <returns></returns>
public string HijriToGreg(string hijri,string format)
{
if (hijri.Length<=0)
{
cur.Trace.Warn("HijriToGreg :Date String is Empty");
return "";
}
try
{
DateTime tempDate=DateTime.ParseExact(hijri,allFormats,arCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
return tempDate.ToString(format,enCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("HijriToGreg :"+hijri.ToString()+"\n"+ex.Message);
return "";
}
}
/// <summary>
/// Convert Gregoian Date to it's equivalent Hijir Date
/// </summary>
/// <param name="greg"></param>
/// <returns></returns>
public string GregToHijri(string greg)
{
if (greg.Length<=0)
{
cur.Trace.Warn("GregToHijri :Date String is Empty");
return "";
}
try
{
DateTime tempDate=DateTime.ParseExact(greg,allFormats,enCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
return tempDate.ToString("yyyy/MM/dd",arCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("GregToHijri :"+greg.ToString()+"\n"+ex.Message);
return "";
}
}
/// <summary>
/// Convert Hijri Date to it's equivalent Gregorian Date and return it in specified format
/// </summary>
/// <param name="greg"></param>
/// <param name="format"></param>
/// <returns></returns>
public string GregToHijri(string greg,string format)
{
if (greg.Length<=0)
{
cur.Trace.Warn("GregToHijri :Date String is Empty");
return "";
}
try
{
DateTime tempDate=DateTime.ParseExact(greg,allFormats,enCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
return tempDate.ToString(format,arCul.DateTimeFormat);
}
catch (Exception ex)
{
cur.Trace.Warn("GregToHijri :"+greg.ToString()+"\n"+ex.Message);
return "";
}
}
/// <summary>
/// Return Gregrian Date Time as digit stamp
/// </summary>
/// <returns></returns>
public string GTimeStamp()
{
return GDateNow("yyyyMMddHHmmss");
}
/// <summary>
/// Return Hijri Date Time as digit stamp
/// </summary>
/// <returns></returns>
public string HTimeStamp()
{
return HDateNow("yyyyMMddHHmmss");
}
/// <summary>
/// Compare if the Hijri date between other financial year and return True if within , False in not within
/// </summary>
/// <param name="dt">Data Table contain start date and end date ,,start date is the first column in table , end date is the second column in table</param>
/// <param name="fromDate"></param>
/// <param name="endDate"></param>
/// <returns></returns>
/// <summary>
/// Compare two instaces of string date and return indication of thier values
/// </summary>
/// <param name="d1"></param>
/// <param name="d2"></param>
/// <returns>positive d1 is greater than d2,negative d1 is smaller than d2, 0 both are equal</returns>
public int Compare(string d1,string d2)
{
try
{
DateTime date1=DateTime.ParseExact(d1,allFormats,arCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
DateTime date2=DateTime.ParseExact(d2,allFormats,arCul.DateTimeFormat,DateTimeStyles.AllowWhiteSpaces);
return DateTime.Compare(date1,date2);
}
catch (Exception ex)
{
cur.Trace.Warn("Compare :"+"\n"+ex.Message);
return -1;
}
}
}
}
