-
Recent Books:
![[Essential Algorithms, Second Edition]](http://www.csharphelper.com/essential_algs_2e_158_200.jpg)
![[WPF 3d, Three-Dimensional Graphics with WPF and C#]](http://www.csharphelper.com/wpf3d_160_200.png)
![[The C# Helper Top 100]](http://www.csharphelper.com/top100_161_200.png)
![[Interview Puzzles Dissected]](http://www.csharphelper.com/interview_puzzles_161_200.jpg)
-
Recent Posts
-
Recent Comments
- RodStephens on Find the shortest distance between a point and a line segment in C#
- Chris on Find the shortest distance between a point and a line segment in C#
- RodStephens on Graph world total COVID-19 cases, deaths, and recoveries in C#
- Revised: Graph world total COVID-19 cases, deaths, and recoveries in C# - C# HelperC# Helper on Graph world total COVID-19 cases, deaths, and recoveries in C#
- Ulrich Rosin on Graph world total COVID-19 cases, deaths, and recoveries in C#
Archives
- September 2020
- August 2020
- July 2020
- June 2020
- May 2020
- April 2020
- March 2020
- February 2020
- January 2020
- December 2019
- November 2019
- October 2019
- September 2019
- August 2019
- July 2019
- June 2019
- May 2019
- April 2019
- March 2019
- February 2019
- January 2019
- December 2018
- November 2018
- October 2018
- September 2018
- August 2018
- July 2018
- June 2018
- May 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- October 2017
- September 2017
- August 2017
- July 2017
- June 2017
- May 2017
- April 2017
- March 2017
- February 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
- August 2016
- July 2016
- June 2016
- May 2016
- April 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- July 2014
- June 2014
- May 2014
- February 2014
- January 2014
- December 2013
- October 2013
- August 2013
- June 2013
- December 2012
- September 2012
- July 2012
- June 2012
- November 2011
- May 2011
- April 2011
- February 2011
- December 2010
Categories
- .NET
- 3D
- 3D graphics
- ADO.NET
- algorithms
- animation
- API
- arrays
- attributes
- audio
- books
- C#
- C# programming
- calculations
- challenges
- classes
- clipboard
- coding
- combinatorics
- console
- controls
- cryptography
- curve fitting
- database
- debugging
- dialogs
- directories
- Drag and Drop
- drawing
- drawings
- enums
- Event
- events
- example program
- Excel
- extension methods
- extensions
- files
- finance
- fonts
- formatting
- forms
- fractals
- ftp
- games
- GDI+
- generic
- geometry
- globalization
- graphics
- html
- IDE
- image processing
- inheritance
- interfaces
- internationalization
- internet
- interoperability
- LINQ
- lists
- localization
- mathematics
- memory
- menus
- MessageBox
- methods
- miscellany
- multimedia
- network
- Office
- OOP
- operators
- parsing
- performance
- phone
- PowerPoint
- printers
- printing
- productivity
- programs
- puzzles
- recursion
- reflection
- registry
- regular expressions
- serialization
- settings
- SQL
- stories
- strings
- syntax
- system
- threading
- three-dimensional graphics
- tips
- tools
- transformations
- Uncategorized
- user interface
- variables
- VBA
- web
- Windows Forms programming
- WMI
- Word
- wpf
- XAML
- XML
Meta
Tag Archives: passwords
Use a password protected Access database in C#
This example shows how you can open and use a password protected Access database in C#. It also shows how you can use the database’s password protection to provide a login form for your program. Note that the security used … Continue reading
Posted in database, Office
Tagged Access, C#, C# programming, database, example, example program, Office, password protected Access database, passwords, Windows Forms programming
Leave a comment
Why Twitter recently wanted you to change your password
A few days ago, Twitter asked all of its users to change their passwords. The reason they did that was that they found a bug in their system that made an internal log file store passwords in an unencrypted form. … Continue reading
Posted in cryptography, internet, miscellany
Tagged C#, C# programming, cryprography, encryption, example, example program, internet, miscellany, password manager, passwords, Twitter, Windows Forms programming
Leave a comment
Make a password manager in C#
Before I discuss this example, let me make a disclaimer and say that I can’t guarantee this application’s performance. I think it is secure but for something as important as passwords you need to merely use this program as an … Continue reading
Posted in algorithms, cryptography, mathematics, registry, system
Tagged algorithms, C#, C# programming, clipboard, cryptography, example, example program, generate passwords, good passwords, hacker, hacking, mathematics, password manager, password tracker, passwords, random, random passwords, registry, system, Windows Forms programming
4 Comments
Use cryptographic methods to generate random passwords in C#
Lately I’ve gotten more than a little tired of having to generate random passwords that obey all sorts of stupid rules for various web sites. Who cares if I use a strong password on a web site that just sends … Continue reading
Posted in algorithms, cryptography, mathematics, system
Tagged algorithms, C#, C# programming, clipboard, cryptography, example, example program, generate passwords, good passwords, hacker, hacking, mathematics, password manager, passwords, random, random passwords, registry, system, Windows Forms programming
1 Comment
Protect a program from SQL injection attacks in C#
This example explains how you can protect a C# application from SQL injection attacks. The techniques can also protect other kinds of programs such as web applications. Recently Russian hackers stole more than 1.6 billion (yes, that’s 1,600,000,000) user names … Continue reading
Posted in database, SQL, system
Tagged C#, C# programming, database, example, example program, OleDbCommand, OleDbConnection, passwords, SQL, SQL injection, SQL injection attacks, system, Windows Forms programming
7 Comments