ASP.net Developer's - New Articles

Connecting to SAP data from ASP.NET

SGWellens — Sat, 10 May 2008 21:07:28 GMT

The article Connecting to SAP data from ASP.NET was added by SGWellens on Saturday, May 10, 2008.

Here is a good articlefor connecting toSAP from ASP.NET.... You will need to download the SAP.Net.Setup2003.msi file from the SAP site first. http://help.sap.com/saphelp_nw2004s/helpdata/en/51/d5470940fd564b888f4beb9523fa6c/content.htm

Using Extension methods in ASP.NET 3.0 and 3.5 with generics.

corwin — Fri, 09 May 2008 00:13:17 GMT

The article Using Extension methods in ASP.NET 3.0 and 3.5 with generics. was added by corwin on Friday, May 09, 2008.

Since the dawn of asp.net, webbased development has becomea lot easier. It provides a great deal of control over designs and code. And affords the developer morepower over his/her business logic; ratherthan becoming bogged down with the roughness of using

Custom Error Logging

yeotumitsu@sify.com — Sun, 27 Apr 2008 21:47:43 GMT

The article Custom Error Logging was added by yeotumitsu@sify.com on Sunday, April 27, 2008.

This article presents a way to log and mail the errors from any web page. It logs following details - Control on which the error is raised Page which controls the error Error Description Trace Messages Server and Client details Log is created in log folder

ascx

mbanavige — Mon, 14 Apr 2008 19:31:21 GMT

The article ascx was added by mbanavige on Monday, April 14, 2008.

The ascx file format is used to create User control. Web User controls in Asp.Net have to be in .ascx extension. Web user controls with .ascx extension can be directly used in the aspx or ascx page by refering to the virtual path in an asp.net web site

customvalidator

mateus queiroz correia — Wed, 16 Apr 2008 21:01:32 GMT

The article customvalidator was added by mateus queiroz correia on Wednesday, April 16, 2008.

The customvalidator control allows writing custom validation for a control. So, if the others validators: RangeValidator, RequiredFieldValidator, RegularExpressionValidator, CompareValidator, is not useful for a specific validation, it is possible to

Ajax With Javascript

m imran shafiq — Tue, 01 Apr 2008 08:38:46 GMT

The article Ajax With Javascript was added by m imran shafiq on Tuesday, April 01, 2008.

Create a simple page likeDefault.aspx%@ Page Language="VB" %>!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

SiteMapDataSource

anas — Wed, 26 Mar 2008 15:56:57 GMT

The article SiteMapDataSource was added by anas on Wednesday, March 26, 2008.

The SiteMapDataSource control is a data source to the site map data that is stored by the site map providers that are configured for your site. The SiteMapDataSource enables Web server controls that are not specifically site navigation controls, such

TreeView

anas — Wed, 26 Mar 2008 15:37:44 GMT

The article TreeView was added by anas on Wednesday, March 26, 2008.

The TreeView controlcan be used in any situation in which you need to display hierarchical data. For example, you can use this control to provide a site navigation, displaying database records from database tables in aParent/Child relation, displaying

Login through cookies

farazsk11 — Sun, 23 Mar 2008 04:40:19 GMT

The article Login through cookies was added by farazsk11 on Sunday, March 23, 2008.

Different forums are filled with the questions regarding how to manually implement cookies for login or in other words how to implement "Remeber me" option. Following is the code that will give the idea of how to achieve this task. Controls

Enterprise Library

scott@elbandit.co.uk — Tue, 18 Mar 2008 09:50:51 GMT

The article Enterprise Library was added by scott@elbandit.co.uk on Tuesday, March 18, 2008.

Enterprise Library "The patterns & practices Enterprise Library from Microsoft is a library of application blocks designed to assist developers with common enterprise development challenges. Application blocks are a type of guidance, provided

Javascript to add bookmark option on your website

amrelgarhy — Thu, 13 Mar 2008 04:54:22 GMT

The article Javascript to add bookmark option on your website was added by amrelgarhy on Thursday, March 13, 2008.

If it is required to add a facility on the webpage that users can click a button on the website and it will open up bookmark option. Following is the code that will perform this task. html>body>SCRIPT LANGUAGE="JavaScript"> function

Composite

scott@elbandit.co.uk — Sun, 09 Mar 2008 11:54:32 GMT

The article Composite was added by scott@elbandit.co.uk on Sunday, March 09, 2008.

Composite Design Pattern The Gang of Four definition is "Compose objects into tree strutures to represent part-whole hierarchies. Composite lets clients treat individual objects and compositions of objects uniformly".In the example below we use the Composite

Abstract Factory

scott@elbandit.co.uk — Sat, 08 Mar 2008 07:16:40 GMT

The article Abstract Factory was added by scott@elbandit.co.uk on Saturday, March 08, 2008.

Abstact Factory The Gang of Four defintion for this design pattern is: "Provide an interface for creating families of related or dependant objects without specifying their concrete classes.". A VB example of the Abstract Factory Design Pattern ' This

Localize

anas — Thu, 06 Mar 2008 11:36:25 GMT

The article Localize was added by anas on Thursday, March 06, 2008.

The Localize Control lets you localize any element on an .aspx page. It provides a design time feature not offered by its base class, the Literal control; in particular, the Localize control provides design time editing of static content so you can see

Adapter

scott@elbandit.co.uk — Wed, 05 Mar 2008 08:59:14 GMT

The article Adapter was added by scott@elbandit.co.uk on Wednesday, March 05, 2008.

Adapter Pattern The gang of four definition is "Convert the interface of a class into another interface clients expect. Adpater lets the classes work together that couldn't otherwise because of incompatible interfaces". Below is an example that uses a

Proxy

scott@elbandit.co.uk — Wed, 05 Mar 2008 07:56:20 GMT

The article Proxy was added by scott@elbandit.co.uk on Wednesday, March 05, 2008.

Proxy Design Pattern The Gang Of Four definition of this design pattern is "Provides a surrogate or placeholder for another object to control access to it". In the example below we use the pattern to enable caching on an ASP.net page. This code uses the

Web Part Controls

vik20000in — Thu, 28 Feb 2008 00:05:44 GMT

The article Web Part Controls was added by vik20000in on Thursday, February 28, 2008.

Asp.net 2.0 came with a new set of controls that were designed to to be used for web parts. These controls were kept in the Web Part Toolbar. Here is a list of the controls that came with Asp.net Web Part toolbar. WebPartManager DeclarativeCatalogPart

MVP Pattern

mbanavige — Wed, 27 Feb 2008 17:30:44 GMT

The article MVP Pattern was added by mbanavige on Wednesday, February 27, 2008.

MVP (Model View Presenter)Framework The MVP pattern is an Architecture Pattern used to build ASP.net applications. It refers to splitting up the responsibilities for gathering, displaying, and storing data from a web page into separate objects: a Model

Table

simonmu — Wed, 27 Feb 2008 00:10:04 GMT

The article Table was added by simonmu on Wednesday, February 27, 2008.

The Table class allows you to build an HTML table and specify its characteristics. A table can be built at design time with static content, but the Table control is often built programmatically with dynamic contents Each Table control is made up of rows

ListBox

mbanavige — Wed, 27 Feb 2008 00:03:34 GMT

The article ListBox was added by mbanavige on Wednesday, February 27, 2008.

The ListBox control is used to create a list control that allows single or multiple item selection. Use the Rows property to specify the height of the control. By default, the ListBox only allows a single selection to be made at a time.To enable the selection

State

scott@elbandit.co.uk — Tue, 26 Feb 2008 12:43:14 GMT

The article State was added by scott@elbandit.co.uk on Tuesday, February 26, 2008.

State The State pattern allows an object to change it behaviour when its internal state changes. A VB example of the State PatternThis example shows the different states a person would go through after drinking beer, a bit crude but I hope it demostrates

LinkButton

mbanavige — Tue, 26 Feb 2008 01:44:25 GMT

The article LinkButton was added by mbanavige on Tuesday, February 26, 2008.

LinkButton control is used to create a hyperlink-style button on a Web Forms page. Specify the text to display in the LinkButton control by either setting the Text property or placing the text between the opening and closing tags of the LinkButton control

ImageButton

mbanavige — Tue, 26 Feb 2008 01:28:29 GMT

The article ImageButton was added by mbanavige on Tuesday, February 26, 2008.

ImageButton control is usedto display an image that responds to mouse clicks. Specify the image to display in the control by setting the ImageUrl property. Both the Click and Command events are raised when the ImageButton control is clicked. By using

Image

mbanavige — Tue, 26 Feb 2008 01:26:32 GMT

The article Image was added by mbanavige on Tuesday, February 26, 2008.

Use the Image control to display an image on the Web Forms page. Setting the ImageUrl property specifies the path to the displayed image. You can specify the text to display in place of the image when the image is not available by setting the AlternateText

Hyperlink

mbanavige — Tue, 26 Feb 2008 01:24:06 GMT

The article Hyperlink was added by mbanavige on Tuesday, February 26, 2008.

Use the HyperLink control to create a link that moves you to another page or location on the page. Specify the page or location to link to by using the NavigateUrl property. The link can either be displayed as text or an image. To display text, either