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Asynchronous Request in .NET (C#)
Jan 09, 2000.
This code sample shows how to call a COM component in .NET framework using C#.
Simple Web File Download
Mar 23, 2001.
This is a simple program that shows how to download files from the web and save them. The program uses the HttpWebRequest and HttpWebResponse classes to request and retrieve the requested file.
Web Request Class
Apr 04, 2001.
This is a simple application that the gets the source of a webpage via the WebRequest Object.
Wireless Model : How Does It Work?
May 09, 2001.
The browser sends an HTTP request to the Web server, which interprets the request and determines which resources to retrieve or execute. If the URL specifies a file, then the server sends it back.
May 09, 2001.
The program will periodically check your mail for incoming email requests for a stock quote.
Regular Expressions Example
May 14, 2001.
The following example shows the use of Regular Expressions in C#.This program has basic validation scripts for validation easily useable in all programs.
Validation Contol in Mobile Form
Jun 04, 2001.
In this article i'll be showing the power of Valiation Control which u can use with Mobile Application.There are total six Valiation Control as provided. Here i am showing four of them in this example and the rest two are Valiationsummary and CustomValidator.
Catch Hold of Device Capability
Jun 05, 2001.
If you are developing Mobile Application and been through the different standards in Market.
.NET is the Future
Jul 19, 2001.
This has been a long time in coming. I couldn't write any more article because of some problems but finally I thought I should talk about the future of .NET. The reason is very simple, I'm getting almost 50 mails a day in my inbox just asking about the future of .NET and the comparison with other technologies. So I'm presenting my own views about the future possibilities of this technology.
Validation Controls in Web Forms: Part 2
Aug 24, 2001.
Validation is one of the less talked about areas – often taken for granted.
Validation Controls in Web Forms: Part I
Aug 24, 2001.
Validation is one of the less talked about areas – often taken for granted.
Oracle Database Connectivity
Sep 26, 2001.
This is a GUI based data entry application which shows how to add, modify and delete records using Oracle Database.
Customizable Generic Form Validation Control
Oct 01, 2001.
This control performs form validations at the client-side irrespective of the web server.
Command Patterns in C#
Mar 04, 2002.
Command pattern encapsulates a request as an object and gives it a known public interface. Command Pattern ensures that every object receives its own commands and provides a decoupling between sender and receiver.
IP LookUp Program in .NET
Apr 03, 2002.
This is an IP look up program that uses C# Windows Forms and IPHostEntry to resolve the DNS request.
Validation Server Controls in Web Forms
Aug 05, 2002.
When working with Web applications, developers need to write two separate codes using Java Script and VB Script to validate user inputs.In this article we are going to see, how we can reduce the programmers effort on coding, reducing the execution process time and simplify the code handling and less number of lines in the coding.
Working with COBOL Data Groups in C#
Sep 11, 2002.
In this article we will begin with a C# console application calling a COBOL DLL file. The C# application will pass it a number of occurrences to create in the table (much like a user requesting a specific number of months to report on).
Using Error Provider Control in Windows Forms and C#
Oct 08, 2002.
In this example we will see how to use the ErrorProvider control in Windows forms to provide validations in Windows Forms and display user-friendly error messages to the user if the validation fails.
Synchronized Threading in .NET
Dec 11, 2002.
Threads are a powerful abstraction for allowing parallelized operations: graphical updates can happen while another thread is performing computations, two threads can handle two simultaneous network requests from a single process, and the list goes on. Since threads are pretty simple to understand, conceptually, but, practically, they are a cause for programmatic headaches, I decided to write this program to describe how to make use of threads.
HTTP Handlers for Images in ASP.NET
Jun 23, 2003.
Have you ever thought of streaming thumbnails just by passing query string indicating width or height of thumbnail you need, and most importantly passing those to image itself?
Introduction to ASP.NET HTTP Module
Nov 24, 2003.
This article will help the users to examine the use of HTTP Modules and their use in extending the pipeline. The HTTP Pipeline is a series of extensible objects that are initiated by the ASP.NET runtime in order to process a request.
Image Resizing : Part II
Jan 12, 2004.
In my first article Image Resizing and FTP, I showed how I resize my digital camera pictures and FTP them to the web. I received a couple of requests to share the code for the image gallery on my web site that I use to view them so here it is.
Masked TextBox Control
Jan 26, 2004.
This Masked Edit TextBox intelligent user control enhances the function of TextBox control, which can mask the Date, IP Address, SSN, Phone number, digit, decimal and check the validation, automatically set delimit location.
SOAP, .NET, and COM an Introduction - Part III
Feb 02, 2004.
This article starts with the basics of SOAP, SOAP XML model and its data types followed by the integration of SOAP functionality in .NET class library and how .NET developers can take advantages of SOAP in their applications.
Validating ASP.NET Server Controls
Feb 20, 2004.
Validation server controls are a series of controls that helps you validate the data that the user enters into the other controls that are provided with ASP.NET. They determine whether the form can be processed based upon the rules that you define in the validation server controls.
Validating Input Xml Data Files
Jun 28, 2004.
In this article we'll discus two strategies for validating input XML data files. The validation of an XML input file could occur at various instances of processing.
Formula Generator - A Regular Expression Generator Class in C# and .NET
Aug 17, 2004.
The attached source code is a class - FormulaGenerator, which is a component that interprets and evaluate a string expression
HTTP Handlers in ASP.NET
Aug 24, 2004.
The low level Request and Response API to service incoming HTTP requests are HTTP Handlers in ASP.NET. All handlers implement the IHttpHandler interface, which is located in the System.Web namespace. Handlers are somewhat analogous to Internet Server Application Programming Interface (ISAPI) extensions.
Microsoft Application Center Test
Oct 13, 2004.
Application Center Test (ACT) stress tests Web servers and analyze performance and scalability problems of Web applications. ACT simulates a large group of users by opening multiple connections to the server and rapidly sending HTTP requests. It also supports several other authentication schemes and the SSL protocol, making it ideal for testing personalized and secure sites.
Performance Improvement in ASP.NET Using Caching
Feb 01, 2005.
ASP.NET provides caching at several levels for you to leverage and improve the responsiveness of your application by storing the page output or application data across HTTP requests and reuse it. This allows the web server to take advantage of processing the request without recreating the information and thus saving time and resources.
Web Based Chat Application
Mar 15, 2005.
The article explains about devloping a chat Solution in ASP.Net / C# which is differnt than any of the available solutions and works under any firewall and browser settings.
Mar 16, 2005.
This article gives you a solution for generating a client side validation script in a component model that you can reuse in an ASP.NET project.
Count Image Requests from a Web Server using ASP.NET (VB.Net)
Mar 19, 2005.
This article explains you how we can count Image request from a Web server using VB.Net and ASP.NET.
Count Image Requests from a Web Server using ASP.NET
Mar 19, 2005.
This article explains you how we can count Image request from a Web server using C# and ASP.NET.
Building Stacks with C#
Jun 23, 2005.
The following article presents a general definition of the stack data structure and its most common functions. This article explores a sample stack implementation as a .NET class in C#, as well as some interesting usage scenarios.
Mobile Web Application Secret
Sep 12, 2005.
This article gives you a clear idea how an ASP.NET Web Application rendering works differently on hand held devices than running Web Applications on normal machines.
Navigating Data Grid using Client Scripting
Nov 10, 2005.
It's very common practice to use the Data Grid to present data over web pages. Though the Data Grid is provides the richer UI presentation if not coded and handled effectively it can have great performance issues. This article gives the code sample for navigating the data grid using the Client Scripting (thereby can be used for lots of validation before doing the Post Back to the server) and minimizing the round trip to server
How to Select all Checkbox when Header Checkbox is Selected
Dec 30, 2005.
ASP.Net 2.0 What's new in Page Life Cycle
Jan 07, 2006.
ASP.NET 2.0 adds some new events to allow you to follow the request processing more closely and precisely. This article looks into those events.
Credit Card Fraud Prevention using .NET Framework in C# or VB.NET
Jan 16, 2006.
How can you protect your business from credit card frauds? This article have few steps that can be taken to ensure that the transaction is being requested by the real cardholder.
Visual Guard for .NET
Jan 19, 2006.
Novalys announces Visual Guard, which is aimed at setting up user’s profile and permissions for .net application (who is allowed to do what?). The tool easily integrates to any .net application and makes rights/permissions management easier thanks to its administrating console.
Validating User Inputs Using Regular Expressions
Jan 28, 2006.
This article shows how can we validate our inputs using regular expressions.
Mar 22, 2006.
ASP.Net Page Life Cycle
May 16, 2006.
This article explains simple ASP.NET web page execution in depth.
Troubleshooting Tips for ASP.Net Developers
May 22, 2006.
This article explains three silly problems that ASP.net developers regularly face and explains how to tackle them.
Working with ASP.NET Validation controls
Jun 20, 2006.
This article provides a brief overview about the validation controls which ships with ASP.NET.
The request failed with HTTP status 401: Access Denied
Jun 30, 2006.
An unhandled exception occurred during the execution of the current Web request. Please review the stack trace for more information about the error and where it originated in the code.
The request failed with HTTP Status 405: Method Not Allowed.
Jul 04, 2006.
PDSTest.NET Exception Occurred while processing the request. The request failed with HTTP Status 405: Method Not Allowed
Jul 05, 2006.
DataGridView is a new control which is more flexible for coding than simple datagrid. However, there are a lot of developer having diffulties about DataGridView Calendar, Mask, ComboBox and also validations.
Selective Validation in ASP.Net 2.0
Sep 22, 2006.
In this article, we will explore the Validation Groups feature introduced in ASP.Net 2.0.
Tip: Disable Validation Controls in ASP.NET
Sep 28, 2006.
This tip shows how to enable and disable validation control if controltovalidate is visible or invisible?
Extend the Textbox Control to Validate Against Regular Expressions
Jan 05, 2007.
This article describes an approach to validating text box entries against a regular expression.
Error Provider in C#
Mar 09, 2007.
This article shall address the use of the error provider control in Win Forms application development. The error provider control is most useful in displaying errors associated with data entry tasks on a Windows form.
Apr 10, 2007.
XAML <TextBox /> element represents the XAML TextBox control. This article discusses how to create a TextBox and set its various properties such as background and foreground colors, setting size and positions, fonts, wrapping, scrolling, and input validations.
WEB farm - Load Balancing in Asp.net
Jul 27, 2007.
The concept behind the web farm is that a number of different web sites share pooled resources. They typically share a common front-end dispatcher to perform load control and distribute customer requests. They share the multiple web servers themselves.
Creating a Dynamic Excel Using HTML
Aug 30, 2007.
This article includes some sample programs to show how to implement various excel functionalities with the help of HTML.
Read Asp.net Request Param and Session dynamically into properties
Oct 04, 2007.
This Article shows how you can use Attributes and Reflection to dynamically populate property with value from param, session or context without writing any addition code. I have used this technique in past and I hope you will also find it useful.
Ajaxify a simple HTML page using a web service
Oct 23, 2007.
Cross browser conditional validation
Oct 25, 2007.
This article show how to show/hide textbox with required field validation on radio button click in a master page.
Using Validation Application Block (Enterprise Library 3.0) with the FormView control
Mar 15, 2008.
In this article I will show how you can use the Enterprise Library 3 Validation Application Block (VAB) to validate data, edited with the help of the FormView control. The examples are written using C#.
Data Validation Controls in ASP.NET 2.0
Apr 11, 2008.
In this article, you will learn about the support that ASP.NET provides to you for performing data validation.
Chapter I: Server Control Basics
Apr 25, 2008.
This chapter tells you about the basics of server control.
May 21, 2008.
State Management is Silverlight using Isolated Storage
Jul 28, 2008.
State management is the process to maintain state and page information over multiple requests for the same or different pages. State management in Silverlight 2 can be done using the concept of Isolated storage.
Send Email Messages and Attachments Using C#
Aug 05, 2008.
This article describes an approach to sending email messages with or without attachments. The code required to send the message is contained within a reusable class. In addition to sending messages and messages with attachments, the class also validates the recipient email addresses using regular expression validation.
Attaching a Digital Certificate (Public Key) to an HTTPS Request
Aug 10, 2008.
This article will guide you on how to post data to an HTTPS (i.e., secure connection) URL from a Windows application (.NET) by attaching a digital certificate from a certificate file and getting the response back.
ASP.Net Worker Process and ISAPI
Nov 28, 2008.
The "Process" which is responsible for processing Asp.net application request and sending back response to the client , is known as "Worker Process". All ASP.NET functionalities runs within the scope of this process
C# and XAML within a Silverlight 2 context - Data Validation: Part VI
Dec 18, 2008.
In this article, I will demonstrate how to implement a validation logic as a part of the article how XAML
The Two Interceptors: HttpModule and HttpHandlers
Dec 23, 2008.
Many times we want to implement pre-processing logic before a request hits the IIS resources. For instance you would like to apply security mechanism, URL rewriting, filter something in the request, etc. ASP.NET has provided two types of interception HttpModule and HttpHandler.
Introduction to Enterprise Library: Part II
Jan 19, 2009.
This article explains Attribute based validation in a Validation Application Block.
Introduction to Dynamic Data Web Application Model: Part III
Jan 19, 2009.
This article explains about Custom Validation for Dynamic Data Web Application.
Introduction to Enterprise Library: Part III
Jan 21, 2009.
This article explains about Attribute based Validators and Rule sets of Validation Application Block.
Introduction to Enterprise Library: Part IV
Feb 03, 2009.
This article explains about Configuration based validation using Validation Application Block.
Feb 04, 2009.
REST stands for Representational State Transfer, is an architectural style where you can build the software system in which clients (user agents) can make requests to the services [end points]. REST one of the ways to implement the client\server architectural style. REST can be used to build software applications in which clients can make requests of services.
Introduction to Enterprise Library: Part V
Feb 05, 2009.
This article explains about implementation of Self Validation using Validation Application Block.
Introduction to Enterprise Library: Part VI
Feb 06, 2009.
This article explains about Validation Application Block Adapter for ASP.NET.
Introduction to Enterprise Library: Part VII
Feb 10, 2009.
This article explains about Validation Application Block Adapter for Windows Forms.
Introduction to Enterprise Library: Part VIII
Feb 17, 2009.
This article explains about Validation Application Block Adapter for WCF.
Dynamic validation according to logged in user
Feb 18, 2009.
Many times we want certain set of validation to fire for some user and certain set of validation to fire for some other user. In the section we will see how we can achieve the same using Microsoft enterprise validation blocks.
16 steps to write flexible business validation in C# using Validation Blocks
Feb 19, 2009.
Validation is one of the most important parts in any software project. Building flexible business validation is every one’s dream.
Introduction to Enterprise Library - Part X
Feb 20, 2009.
This article explains about Integration of Validation Application Block with Policy Injection Application Block.
Introduction to Enterprise Library: Part IX
Feb 23, 2009.
This article explains about Implementation of Custom Validator using Validation Application Block.
Client side validation using Validation Application blocks
Feb 23, 2009.
Enterprise validation application provides us a ready made framework by which we can implement dynamic validation easily in our project.
Easy Date Validation in C#
Feb 23, 2009.
This article describes a simple approach to validating dates received as strings (e.g., 2/21/2008).
Creating server controls at runtime using HTTP modules
Apr 06, 2009.
This article is all about generating dynamic ASP.Net server controls using HTTP modules.
Validation in ASP.NET using jQuery
Apr 21, 2009.
Validation is an important requirement in every enterprise application and every platform has its own implementation to this regards. In this article, I will illustrate how to implement client-side validation in ASP.NET using jQuery.
Validation Controls within GridView control in ASP.NET 2.0
May 05, 2009.
This article is intended to show how to add customized validation features to GridView control in order to avoid mistakes when the users enter data and violates the underlying business rules.
Implementing business rules using customized DataSet objects
May 15, 2009.
Information systems contain and enforce rules about the business they support. A rule is constraint which describes the way how objects are to behave. Field-level validations are checks that pertain to the property values of the underlying business entities. For example, a field must be 50 characters or less in length or some fields are required while other fields are optional as well as some fields must be greater than a specific value.
May 22, 2009.
This library contain four custom controls each control has the validations for required and character type
Connecting your Silverlight Applications to Web and Data services (WebClient)
Jun 23, 2009.
Silverlight application can access simple HTTP request through WebClient Data Services
Data Validation in Silverlight 3
Jul 23, 2009.
This articles demonstrate us data validation in Silverlight 3.
Data Validation in DataGrid in silverlight 3 Application
Aug 10, 2009.
This article shows how to apply data validation in DataGrid in silverlight 3 Application.
LINQ Deferred Execution
Aug 24, 2009.
In this article we will see how LINQ defers the execution of the query till you request the results. Plus, learn how to execute the query immediately.
Understanding the Page Life Cycle of an ASP.NET and its controls
Sep 02, 2009.
In this article I will explain about series of steps and events that occur in a page life cycle in ASP.NET.
Validation Controls in ASP.NET
Sep 23, 2009.
In this article I will explain about Validation Controls in ASP.NET and how to use them effectively.
Requesting Admin Approval at Application Start
Oct 16, 2009.
Learn how to make your application requests UAC elevation (in Windows Vista and later versions) at start.
Validation in Silverlight 3
Nov 11, 2009.
In this article we will see how we can use RegEx Validation in Silverlight.
5 simple steps to execute unit testing using NUNIT
Nov 22, 2009.
Unit testing is validation and verification methodology where the developers test the individual units of source code. In this tutorial we will try to understand how we can do unit testing using NUNIT framework. This tutorial we will try to understand the 5 important steps to do unit testing using NUNIT.
Validation Summary In Silverlight 3
Jan 28, 2010.
In this article we will see how we can do custom error messages if required.
Validating Data Entry in Windows Forms Application
Mar 03, 2010.
This article will explain on how to handle validation in Windows Forms application.
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©2016 C# Corner. All contents are copyright of their authors.