public enum DateInterval
{
Second, Minute, Hour, Day, Week, Month, Quarter, Year
}
public sealed class DateTimeManger
{
private DateTimeManger()
{}//end of default constructor
public static long DateDiff(DateInterval Interval, System.DateTime StartDate, System.DateTime EndDate )
{
long lngDateDiffValue = 0;
System.TimeSpan TS = new System.TimeSpan(EndDate.Ticks - StartDate.Ticks);
switch (Interval)
{
case DateInterval.Second:
lngDateDiffValue = (long) TS.TotalSeconds;
break;
case DateInterval.Minute:
lngDateDiffValue = (long) TS.TotalMinutes;
break;
case DateInterval.Hour:
lngDateDiffValue = (long)TS.TotalHours;
break;
case DateInterval.Day:
lngDateDiffValue = (long) TS.Days;
break;
case DateInterval.Week:
lngDateDiffValue = (long)( TS.Days / 7);
break;
case DateInterval.Month:
lngDateDiffValue = (long)( TS.Days / 30);
break;
case DateInterval.Quarter:
lngDateDiffValue = (long)( (TS.Days / 30) / 3 );
break;
case DateInterval.Year:
lngDateDiffValue = (long)( TS.Days / 365);
break;
}
return (lngDateDiffValue);
}//end of DateDiff
}//end of class
Samples:
public class DateDiffCS
{
public static void Main (string[] CmdLineArgs)
{
System.DateTime date1 = System.DateTime.Now;
System.DateTime date2 = System.DateTime.Now.AddYears(2);
System.Console.Out.WriteLine("Days : " + DateTimeManger.DateDiff
(DateTimeManger.DateInterval.Day,date1,date2).ToString());
System.Console.Out.WriteLine("Hours : " + DateTimeManger.DateDiff
(DateTimeManger.DateInterval.Hour,date1,date2).ToString());
System.Console.Out.WriteLine("Minutes : " + DateTimeManger.DateDiff
(DateTimeManger.DateInterval.Minute,date1,date2).ToString());
System.Console.Out.WriteLine("Month : " + DateTimeManger.DateDiff
(DateTimeManger.DateInterval.Month,date1,date2).ToString());
System.Console.Out.WriteLine("Quarter : " + DateTimeManger.DateDiff
(DateTimeManger.DateInterval.Quarter,date1,date2).ToString());
System.Console.Out.WriteLine("Seconds : " + DateTimeManger.DateDiff
(DateTimeManger.DateInterval.Second,date1,date2).ToString());
System.Console.Out.WriteLine("Week : " + DateTimeManger.DateDiff
(DateTimeManger.DateInterval.Week,date1,date2).ToString());
System.Console.Out.WriteLine("Year : " + DateTimeManger.DateDiff
(DateTimeManger.DateInterval.Year,date1,date2).ToString());
System.Console.In.ReadLine();
}
}//end of the class
C# Open Source
Open Source Aspect-Oriented Frameworks in C#
- AspectSharp - Aspect# (pronunced as AspectSharp) is a free AOP ( Aspect Oriented Programming ) framework for the .NET Framework, it uses Dynamic Proxies and XML configuration files as basis.
Open Source Bloggers in C#
- tBlogger - tBlogger provides a complete blog site written in C# with ASP.NET that uses XML as a backend.
Open Source Build Systems in C#
- NAnt - NAnt is a Ant like build tool for .NET
Open Source Charting & Reporting Tools in C#
- NChart - NChart provides a wealth of 2D charting for use in business, in education and at home.
Open Source Chat Servers in C#
- Dot Net Chat server - A Chat Server and Client Application written in .Net FrameWork
Open Source Content Management Systems (CMS) in C#
- ndCMS - ndCMS is a content management system written in C# that features a user manager, file manager, a WYSIWYG editor and built-in http compression (for those who are not running at least IIS 6 and/or don't have access to modify your IIS settings directly and/or those who don't want to spend a small fortune on a third party HTTP Compressor). The goal of ndCMS is to provide a quick and easy way to deploy a .net website while saving you time and money.
Open Source Code Coverage Tools in C#
- NCover - A test code coverage tool for C# .NET
Open Source Forum Software in C#
- YetAnotherForum - Yet Another Forum.net is a opensource discussion forum or bulletin board system for web sites running ASP.NET. It is ASP.NET based with a MS SQL backend database.
Open Source IDEs in C#
- SharpDevelop - #develop (short for SharpDevelop) is a free IDE for C# and VB.NET projects on Microsoft's .NET platform.
Open Source Installers Generators in C#
- NInstall - A project to produce an open source package that can compete with the commercial installer products
Open Source Inversion of Control Containers in C#
- StructureMap - StructureMap is a lightweight Inversion of Control (IoC) Container written in C# for .NET development. StructureMap can improve the architectural qualities of an object oriented .NET system by reducing the mechanical costs of good design techniques.
Open Source Issue Tracking Software in C#
- BugBye - BugBye is a web-based bugtracking system developed using ASP.NET technology and C# as scripting language
Open Source Logging Tools in C#
- log4net - log4net is a tool to help the programmer output log statements to a variety of output targets. log4net is a port of the excellent log4j framework to the .NET runtime.
Open Source Network Clients in C#
- OpenSmtp.net - OpenSmtp.net is an open source SMTP component written in C#
Open Source Network Servers in C#
- CSharp Email Server - The C# Mail Server is a C# port of the Java Email Server (JES). JES is an established email server targeted at small centrally maintained installations.
Open Source PDF Libraries in C#
- iTextSharp - iTextSharp is a library that allows you to generate PDF files on the fly.
Open Source Persistence Frameworks in C#
- OJB.NET - OJB.NET is an object-to-relational persistence tool for the .NET platform.
Open Source Portals in C#
- OmniPortal - OmniPortal was built on the idea of having a web-portal-kernel, that could handle security, themeing, and localization.
Open Source Profilers in C#
- NProfiler - An application profiler for .NET
Open Source Project Management Tools in C#
- User Story.NET - This project is a tool for Extreme Programming projects in their User Story tracking.
Open Source RSS & RDF Tools in C#
- RSS Bandit - A desktop news aggregator written in C#
Open Source Rule Engines in C#
- NxBRE - NxBRE is the first open-source rule engine for the .NET platform and a lightweight Business Rules Engine (aka Rule-Based Engine)
Open Source Search Engines in C#
- Lucene.Net - Lucene.Net is a complete up to date .NET port of Jackarta Lucene
Source Control Tools in C#
- NetCvsLib - NetCvsLib is a CVS client written entirely in C# for the .NET platform. It is implemented as an assembly, and thus can easily be incorporated into other projects.
Open Source SQL Clients in C#
- Database Commander - Database Commander is a database manager with user-friendly interface for Windows operation system.
Open Source Template Engines in C#
- NVelocity - NVelocity is a .Net-based template engine. It permits anyone to use the simple yet powerful template language to reference objects defined in .Net code.
Open Source Testing Tools in C#
- NUnit - NUnit is a unit-testing framework for all .Net languages. Initially ported from JUnit
Open Source Web Frameworks in C#
- Maverick.NET - Maverick.NET is a .NET port of Maverick, a Model-View-Controller (aka "Model 2") framework for web publishing. It is a minimalist framework which focuses solely on MVC logic, allowing you to generate presentation using a variety of templating and transformation technologies.
Open Source Web Mail Clients in C#
- SharpWebMail - SharpWebMail is an ASP.NET Web Mail application that is written in C#. It uses a POP3 server as the mailstore and sends mail through a SMTP. It is very simple to configure (Only a few settings in the web.config file). You can compose HTML messages, search your inbox, read complex mime messages and much more.
Open Source Web Testing Tools in C#
- NUnitAsp - NUnitAsp is a tool for automatically testing ASP.NET web pages. It's an extension to NUnit
Open Source Wiki Engines in C#
- SushiWiki - SushiWiki is a WikiWikiWeb like Web application written in C#
Open Source XML Parsers in C#
- SAX.NET - SAX dot NET is a C# port of the original Java based SAX API specifications.