Free Source Code Projects and Tutorials

Regular Expression for a Strong Password

Submitted by planetsourcecode on Sun, 06/07/2009 - 23:44

This snippet shows a Regular Expression for a strong password.


^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?!.*\s).*$

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Cookies in asp.net

Submitted by planetsourcecode on Sat, 06/06/2009 - 20:48

Cookies are one of the way to store data during the time when web server and browser are not connected. common use of cookies is to remember users between visits.Cookies is a small text file sent by web server and saved by web browser on client machine Creating cookies in asp.net


using system

//saving cookie
Response.Cookies["Cookiename"].Value="biscuit";

Change Page Title and Meta Tags using Code behind.

Submitted by planetsourcecode on Sat, 06/06/2009 - 20:43

One of the good things about the asp.net is that we can make everything accessible at runtime.Same can be done with Page title and the Meta Tags. Simply add Runat="server" to the html tag to make it accessible at run time like below For title


Initial Title Here

For Meta Tags

Encrypting Connection Strings

Submitted by planetsourcecode on Sat, 06/06/2009 - 12:22

If you are a ASP.NET developer then you know that all the information is stored in web.config file and its is plain file which can be easily open in any text Editor like Notepad or word pad . We store all the important information like connection strings, user names, passwords.That means we are handling sensitive information in a unsafe text file.

Format dates in a Gridview column

Submitted by planetsourcecode on Sat, 06/06/2009 - 12:18

Some time we want that the dates should be shown in particular manner like "dd/mm/yyyyy" but we get stuck in what will be the formatting in Grid view

Primitive types of Java

Submitted by admin on Fri, 06/05/2009 - 08:36

There are eight primitive types of data that are defined by java:

Byte
Short
Int
Long
Char
Float
Double
Boolean

The above eight types can be put into four different groups

Format dates in a Gridview column

Submitted by planetsourcecode on Thu, 06/04/2009 - 22:18

Some time we want that the dates should be shown in particular manner like "dd/mm/yyyyy" but we get stuck in what will be the formatting in Grid view

GridView Hide Column

Submitted by planetsourcecode on Thu, 06/04/2009 - 22:16

GridView is used in showing information in a tabular form, GridView replaced the Datagrid which was used in asp.net 1.1, if you are working in asp.net 2.0 then you are facing a problem which is that you can not hide a particular column if you want but in asp.net 1.1 you can do it by simply making the visible

RSS Feed With ASP.NET

Submitted by planetsourcecode on Thu, 06/04/2009 - 22:14

We can easily integrate XML feeds into our website very easily. We don't want to know detail knowledge of XML, but knowledge not harm in any ways.for this wrk we wanr to conntrols 1). XMDataSource Control 2). GridView Control. We have to set the following properties of the XMDataSource Control

Introduction to Java

Submitted by admin on Thu, 06/04/2009 - 08:49

Java was developed in the year 1991 and was formally announced in 1995. Basically, java is based on C and C++. The character of java is inherited from both of these two languages. Syntax of java is related to C and Object Oriented facial from C++.

Now java is used to create web sites including interactive content, iphone applications, applications for devices like pagers and cell phones etc.

Key Features of Java