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Introduction

After a long time, I updated this article again. (Happy!!!)

Since the time I can remember, lack of a class or struct to support Persian calendar in programming languages was one of my big problems. Up to the language I was using, I tried to solve this problem with different solutions. But none of them is an absolute solution.

This problem was almost solved in .NET 2.0 by a class named PersianCalendar, but it was not the complete way. So I decided to create a class like System.DateTime.

Background

PersianDateTime is a very simple struct which gives us simple support for Persian DateTime. I'm trying to develop and update it. Therefore it would be great if you leave your suggestions to help me complete it.

Using the Code

A few examples can be found in the source code.

PersianDateTime can be used in two ways: Staticly and instanciately. I mean you can use it with/without an instance:

Console.WriteLine(PersianDateTime.Now);

or:

PersianDateTime persianDateTime = new PersianDateTime(DateTime.Now);

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Mohammad Mir mostafa

Program Manager

Iran (Islamic Republic Of)

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No Biography provided

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can any one help me about a Conversion of Shamsi date to Miladi? i need a dll.I kmow that VS2010 has that but isnot work exact :(
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Thanks a lot. Great tool. If I may give you a suggestion, that would be using better names for namespaces, classes,... For example, I don't think Library35 is a descriptive or even a good name for the main namespace. Something like PersianDTLibrary or PDT would be better (in my opinion). Thanks again for your efforts. Really appreciate it.
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Thanks for your suggestion.
I have a almost big library from my own source codes.
This library is separeted to tow major parts:
Library35 which contains my sources for .NET 3.5
Library40 which contains my sources for .NET 4.0
That's becouse I've used this namespace.
The other namespaces are subsets of these namespaces. Somethings like "Globalization", "Helpers", "Win", "Win.Controls", and so on.
Thanks again.

Hi, a friend asked me to help do a simple home page which displays both a Gregorian and a Persian Date in Farsi.

I am no HTML or Java programmer, I only do a bit of Visual Basic so I used a web builder like WebPlus to quickly build simple web pages without writing a single line of HTML code. Besides, I cannot read the Persian or Farsi language. English is my first language.

Please tell me how I can put your code into a HTML web page in order to display the Persian date. Don't need to display any calendar but just the current date, is it possible with your code?

Thank you in advance for your help.

cheers, Steve.

thank you
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thanks a lot for your source code,good luck
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Thanks mir mostafa I am hashemi and you in pasargad company
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Hi,
Thank you for sharing. You saves me heaps of time.

If I may make a suggestion. The MonthNames property currently creates a ReadOnlyCollection every time it is called. I would recommend the following pattern instead, where the list is created the first time only:

internal static ReadOnlyCollection<string> monthNames;
 
public static ReadOnlyCollection<string> MonthNames
    {
      get
      {
        if (monthNames == null)
        {
          List<string> names = new List<string>
                                 {
                                     PersianMonth.Farvardin.StringValue(),
                                     PersianMonth.Ordibehesht.StringValue(),
                                     PersianMonth.Khordad.StringValue(),
                                     PersianMonth.Tir.StringValue(),
                                     PersianMonth.Mordad.StringValue(),
                                     PersianMonth.Shahrivar.StringValue(),
                                     PersianMonth.Mehr.StringValue(),
                                     PersianMonth.Aban.StringValue(),
                                     PersianMonth.Azar.StringValue(),
                                     PersianMonth.Dey.StringValue(),
                                     PersianMonth.Bahman.StringValue(),
                                     PersianMonth.Esfand.StringValue()
                                 };
          monthNames = new ReadOnlyCollection<string>(names);
        }
        return monthNames;
      }
    }

Regards
Kamran Behzad

Thank you so much for your suggestion, i'm goning to upload a new version of my code. As you see, this code is writen about 3 years ago.
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Hi First, I would like to thank you for your new approach. I will be grateful, If you could explain about adding days in PersianDateTime, I mean like AddDays in real DateTime. Thanks, MRS
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Thanks, but how can i convert persian date to gregorian?
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I updated the source code, please refer to the new one. With thanks
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از لطف جنابعالی متشکرم
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Thank You
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Dear mohammad Thanks for your sample. If u let me i'm going to use it in my project with your signature . Best regards Behrang Farivar
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Sir, Do u have source code for Csharp Code Generator? If possible plz send it to hemant.kamalakar@gmail.com
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General News Suggestion Question Bug Answer Joke Rant Admin

A structure like System.DateTime which is designed to support Persian calendar

Type	Article
Licence	CPOL
First Posted	3 Feb 2007
Views	33,724
Downloads	2,628
Bookmarked	25 times

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