MohammadDayyan 

You can use PersianDateTime like DateTime and easily parse varient persian datetime string and convert them to PersianDateTime. For more information and samples see the project page.

If you are looking for a jquery plugin Persian DateTimePicker with bootstrap, MdPersianDateTime is that it. This plugin use bootstrap popover to show Persian DateTimePicker. so it has flexibility of bootstrap's popover.

PersianDateTime is equivalent of DateTime to use persian date time

A tool to create Serializable Expressions. ServicePredicateBuilde is a tool that you can create C# Expressions with it and send it via services and in service side get the expressions easily.

MD.Framework is a framework for working with EntityFramework. Also you can serialize your expression to send into channel with ServicePredicateBuilder

A framework to work with EntityFramework

Add GetDifferenceQuarter Method