C# ASP.NET String.Format DateTime Source Code Example

Posted by on Saturday, December 19, 2009 · 1 Comment 

Get 5 Hours of FREE PREMIUM Videos:

LearnVisualStudio.NET Free Preview


LearnVisualStudio.NET Free Preview: Declaring Variables and Assigning Values

“ I am a lifetime member of LearnVisualStudio.net and a Premium Plus member of dotNetVideos.net.

LearnVisualStudio.net is awesome because it grows in value each year as more videos are added.

dotNetVideos.net is also great because it focuses a lot on MS Certifications and practical interview questions.
”

- Wade Harvey (IdealProgrammer.com)

LearnVisualStudio Premium Videos

Visual C# 2010 for Absolute Beginners C# for Absolute Beginners C# for Absolute Beginners Study Guide Visual Basic for Absolute Beginners Visual Basic Express Edition Study Guide
Visual Basic 9.0 Language Enhancements Entity Framework Linq To Sql Windows Phone 7 Development Unit Testing
ASP.NET MVC 3 (In Progress) ASP.NET MVC Hands On Project ASP.NET For Absolute Beginners Visual Web Developer C# Study Guide Visual Web Developer VB.NET Study Guide
ASP.NET Controls Series ASP.NET AJAX ASP.NET Architecture Series ASP.NET Server Controls Silverlight 4.0
Windows Presentation Foundation Windows Forms Controls Visual Studio 2010 New Features Visual Studio Team System 2008 Visual Studio Team System Features
Getting Started With Sql Server Express Edition


dotNetVideos Premium Video Catalog

Interview Questions & Answers Windows AzureASP.NET MVC 4Windows Phone 7 (3 Videos)Visual Studio 2011 Application Lifecycle Management
LightSwitchHTML 5SOLIDVisual Studio Add-OnsVisual Studio 2010 ALM Lab Management
ASP.NET 4 Deep Dive Microsoft Enterprise Library 5 with ASP.NET 4 (10 Videos)Virtualization Techniques for Developer (5 Videos)Test Series - 70-519: Designing and Developing Web Applications Using Microsoft .NET Framework 4 (20+ Videos)
Test Series - 70-519: Supplemental70-513: Test Series (MCTS) Windows Communication Foundation 4 (20+ Videos)70-515:Web Applications Development with Microsoft .NET Framework 4 (20+ Videos)Test Series - 70-516: Accessing Data with Microsoft .NET Framework 4 (20+ Videos)Test Series: 70-432: Microsoft SQL Server 2008, Implementation and Maintenance (20+ Videos)
Test Series: 70-433: SQL Server AdministrationFrom Novice To Professional - C# (25 Videos)From Novice To Professional - VB.NET (25 Videos)


LearnVisualStudio 30% OFF
$140/Lifetime Membership »
Lynda Videos 7 Days Free
$25/Month »
IdealAutomate is a web-based code generator for ASPX Forms
$5/Month or $50/Lifetime Membership »


Premium (Not Free) Video Tutorials

Free Video Tutorials & Free Tools

String.Format DateTime

Purpose: – Illustrates using in C-Sharp ASP.NET.

Prerequistes:

  1. Install Visual Web Developer 2008
  2. Install SQL Server Express
  3. Download Northwind and Pubs Databases
  4. Attach Northwind Database to Databases in Sql Express
  5. Attach pubs Database to Databases in Sql Express

Notes:

  • You can build your own library of syntax examples by using same web site over and over and just add new web forms to it.

Instructions:

  1. Use Visual Web Developer 2008
  2. Create new web site;
    • Click File/New Web Site
    • Select ASP.NET Website Template
    • Select C-Sharp for Language
    • name of Web Site could be CSharp_ASPNET_Syntax.
  3. Add New folder named "LanguageBasics"
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder could be: LanguageBasics
  4. Add Web Form Named StingFormatDateTime to LanguageBasics folder
    • Right-click LanguageBasics folder;
    • add new item;
    • Select Web Form
    • Check place code behind in separate file
    • Web Form name could be StingFormatDateTime
  5. Click on copy code in code below to copy code into web form StingFormatDateTime.aspx
  6. Click on copy code in second set of code below to copy code into code-behind StingFormatDateTime.aspx.cs
  7. Right-click on StingFormatDateTime.aspx in solution explorer and select view in browser

Step 1: Click on Copy Code to Cut-n-paste code into StingFormatDateTime.aspx

 XML |  copy code |? 
< %@ Page Language="C#" AutoEventWireup="true" CodeFile="StringFormatDateTime.aspx.cs" Inherits="LanguageBasics_StringFormatDateTime" %>
 
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp :Label ID="Label1" runat="server" Text="Label"></asp>
    </div>
    </form>
</body>
</html>
 
 

 
 Step 2: Click on Copy Code to Cut-n-paste code into StringFormatDateTime.aspx.cs
 C# |  copy code |? 
using System;
using System.Text;
partial class LanguageBasics_StringFormatDateTime : System.Web.UI.Page
{
 
 
 
    protected void  Page_Load(object sender, System.EventArgs e)
    {
 
        //**************************************************
        //        Custom DateTime Formatting
        //**************************************************
        StringBuilder sb = new StringBuilder();
        sb.Append("Custom DateTime Formatting:<br />");
 
        //Here are custom format specifiers y (year), M (month), d (day), h (hour 12), H (hour 24), m (minute), s (second),
        // f (second fraction), F (second fraction, trailing zeroes are trimmed), t (P.M or A.M) and z (time zone).
 
        //Following examples show how the format specifiers can be used.
        // create date time 2009-12-21 20:04:08.101
        DateTime dt = new DateTime(2009, 12, 20, 20, 4, 8, 101);
 
        // Ways to format year: "9 09 009 2009"   year
        sb.Append(string.Format("{0:y yy yyy yyyy}", dt) + "<br />");
 
        // Ways to format month: "12 12 Dec December"  month
        sb.Append(string.Format("{0:M MM MMM MMMM}", dt) + "<br />");
 
        // Ways to format day: "21 21 Sun Sunday" day
        sb.Append(string.Format("{0:d dd ddd dddd}", dt) + "<br />");
 
        // Ways to format hour: "8 08 20 20"      hour 12/24
        sb.Append(string.Format("{0:h hh H HH}", dt) + "<br />");
 
        // Ways to format minute: "4 04"            minute
        sb.Append(string.Format("{0:m mm}", dt) + "<br />");
 
        // Ways to format second:  ' "8 08"            second 
        sb.Append(string.Format("{0:s ss}", dt) + "<br />");
 
        // Ways to format fraction of second: "1 10 101 1010"   sec.fraction
        sb.Append(string.Format("{0:f ff fff ffff}", dt) + "<br />");
 
        // Ways to format fraction of second: "1 1 101 101"   without zeros
        sb.Append(string.Format("{0:F FF FFF FFFF}", dt) + "<br />");
 
        // How to display am or pm: "P PM"            A.M. or P.M.
        sb.Append(string.Format("{0:t tt}", dt) + "<br />");
 
        // How to display timezone: "-6 -06 -06:00"   time zone
        sb.Append(string.Format("{0:z zz zzz}", dt) + "<br />");
 
 
        //**************************************************
        //        Using date separator / (slash) and time sepatator : (colon).
        //**************************************************
        sb.Append("<br />");
        sb.Append("Using date separator / (slash) and time sepatator : (colon):<br />");
 
        //These characters will be rewritten to characters defined 
        //in the current DateTimeFormatInfo.DateSeparator and DateTimeFormatInfo.TimeSeparator.
 
 
        // "20/12/09 20:04:08" - english (en-US)
        sb.Append(string.Format("{0:d/M/yyyy HH:mm:ss}", dt) + "<br />");
 
        // "20.12.2009 20:04:08" - german (de-DE)
        // date separator in german culture is "." (so "/" changes to ".")
        sb.Append(string.Format("{0:d/M/yyyy HH:mm:ss}", dt) + "<br />");
 
        //**************************************************
        // Here are some examples of custom date and time formatting:
        //**************************************************
        sb.Append("<br />");
        sb.Append("Here are some examples of custom date and time formatting:<br />");
 
        // month/day numbers without/with leading zeroes
        // "12/20/2009"
        sb.Append(string.Format("{0:M/d/yyyy}", dt) + "<br />");
 
        // "12/20/2009"
        sb.Append(string.Format("{0:MM/dd/yyyy}", dt) + "<br />");
 
        // day/month names
        // "Sun, Dec 20, 2009"
        sb.Append(string.Format("{0:ddd, MMM d, yyyy}", dt) + "<br />");
 
        // "Sunday, December 20, 2009"
        // two/four digit year
        sb.Append(string.Format("{0:dddd, MMMM d, yyyy}", dt) + "<br />");
 
        // "12/20/09"
        sb.Append(string.Format("{0:MM/dd/yy}", dt) + "<br />");
 
        // "12/20/2009"
        sb.Append(string.Format("{0:MM/dd/yyyy}", dt) + "<br />");
 
        //**************************************************
        //        Standard DateTime Formatting
        //**************************************************
        sb.Append("<br />");
        sb.Append("Standard DateTime Formatting:<br />");
        //In DateTimeFormatInfo there are defined standard patterns for the current culture. 
        //For example, property ShortTimePattern is string that contains value h:mm tt for en-US culture 
        //and value HH:mm for de-DE culture.
 
        //Following table shows patterns defined in DateTimeFormatInfo and their values for en-US culture. 
        //First column contains format specifiers for the String.Format method.
 
        //Specifier DateTimeFormatInfo property Pattern value (for en-US culture) 
        //t ShortTimePattern h:mm tt 
        //d ShortDatePattern M/d/yyyy 
        //T LongTimePattern h:mm:ss tt 
        //D LongDatePattern dddd, MMMM dd, yyyy 
        //f (combination of D and t) dddd, MMMM dd, yyyy h:mm tt 
        //F FullDateTimePattern dddd, MMMM dd, yyyy h:mm:ss tt 
        //g (combination of d and t) M/d/yyyy h:mm tt 
        //G (combination of d and T) M/d/yyyy h:mm:ss tt 
        //m, M MonthDayPattern MMMM dd 
        //y, Y YearMonthPattern MMMM, yyyy 
        //r, R RFC1123Pattern ddd, dd MMM yyyy HH':'mm':'ss 'GMT' (*) 
        //s SortableDateTi­mePattern yyyy'-'MM'-'dd'T'HH':'mm':'ss (*) 
        //u UniversalSorta­bleDateTimePat­tern yyyy'-'MM'-'dd HH':'mm':'ss'Z' (*) 
        //    (*) = culture independent 
 
        //Following examples show usage of standard format specifiers in String.Format method and the resulting output.
 
        // "8:04 PM"                         ShortTime
        sb.Append(string.Format("{0:t}", dt) + "<br />");
 
        // "12/20/2009"                        ShortDate
        sb.Append(string.Format("{0:d}", dt) + "<br />");
 
        // "8:04:08 PM"                      LongTime
        sb.Append(string.Format("{0:T}", dt) + "<br />");
 
        // "Sunday, December 20, 2009"          LongDate
        sb.Append(string.Format("{0:D}", dt) + "<br />");
 
        // "Sunday, December 20, 2009 8:04 PM"  LongDate+ShortTime
        sb.Append(string.Format("{0:f}", dt) + "<br />");
 
        // "Sunday, December 20, 2009 8:04:08 PM" FullDateTime
        sb.Append(string.Format("{0:F}", dt) + "<br />");
 
        // "12/20/2009 8:04 PM"                ShortDate+ShortTime
        sb.Append(string.Format("{0:g}", dt) + "<br />");
 
        // "12/20/2009 8:04:08 PM"             ShortDate+LongTime
        sb.Append(string.Format("{0:G}", dt) + "<br />");
 
        // "December 20"                        MonthDay
        sb.Append(string.Format("{0:m}", dt) + "<br />");
 
        // "December, 2009"                     YearMonth
        sb.Append(string.Format("{0:y}", dt) + "<br />");
 
        // "Sun, 20 Dec 2009 20:04:08 GMT"   
        sb.Append(string.Format("{0:r}", dt) + "<br />");
 
        // "2009-12-20T20:04:08"             SortableDateTime
        sb.Append(string.Format("{0:s}", dt) + "<br />");
 
        // "2009-12-20 20:04:08Z"            UniversalSortableDateTime
        sb.Append(string.Format("{0:u}", dt) + "<br />");
 
        Label1.Text = sb.ToString();
 
 
 
 
 
    }
}
 
 
 

 
 Step 3: Click on Copy Code to Cut-n-paste code into web.config right after the appSettings section 
 XML |  copy code |? 
<connectionstrings>
    <add name="Northwind_ConnectionString"
      connectionString="Server=(local)\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=SSPI" />
    <add name="Pubs_ConnectionString"
      connectionString="Server=(local)\SQLEXPRESS;Initial Catalog=pubs;Integrated Security=SSPI" />
  </connectionstrings>
 
Related posts:
  1. C# String.Format DateTime Source Code Example C# String.Format DateTime Source Code Example...
  2. VB.NET ASP.NET String.Format DateTime Source Code Example VB.NET ASP.NET String.Format DateTime Source Code Example...
  3. VB.NET String Format DateTime Source Code Example VB.NET String Format DateTime Source Code Example...
  4. C# ASP.NET ConfigurationManager ConnectionString Source Code Example C# ASP.NET ConfigurationManager ConnectionString Source Code Example...
  5. C# ASP.NET Sql Command Delete Statement Source Code Example C# ASP.NET Sql Command Delete Statement Source Code Example...
Related posts brought to you by Yet Another Related Posts Plugin.
Filed under Code Samples · Tagged with , , , , , 
Comments
 One Response to “C# ASP.NET String.Format DateTime Source Code Example”
  1.  simi says:
     December 29, 2009 at 9:30 pm
    hi,
    First of all. Thanks very much for your useful post.
    I just came across your blog and wanted to drop you a note telling you how impressed I was with the information you have posted here.
    Please let me introduce you some info related to this post and I hope that it is useful for .Net community.
    There is a good C# resource site, Have alook
    http://csharptalk.com
    simi
Speak Your Mind
Tell us what you're thinking... 
and oh, if you want a pic to show with your comment, go get a gravatar!
 
 
 
 
  
Powered by WP Hashcash
This blog uses the cross-linker plugin developed by Web-Developers.Net