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| | Total Hits: 73 | Today: 0 | Author: Donny Mack | Rating:  |
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Error handling is a critical part of building enterprise level web applications, for that matter, it is a huge page of any application. In one of last weeks article we discussed using the Try...Catch...Finally statement to catch and respond to exceptions thrown during the page execution process. In this article I will be introducing a new way to catch Page-Level exceptions by introducing the HandleError Method. I will demonstrate what the firing order of the two are (try..catch..finally and Hand... |
| | Total Hits: 107 | Today: 0 | Author: Fernando Finelli. | Rating: |
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This article gives you some code to list or manage users from a domain using GetObject.... |
| | Total Hits: 165 | Today: 0 | Author: Anand Narayanaswamy | Rating: |
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In this final installment of the series, you will learn how to authenticate users using the credentials from a database. I will use the database named "Wintergreen," which we created in the first part of this series. Towards the end of this article, you will also learn how to apply Web Services for performing database operations. Typically, a site validates its users with their username and password. Some sites require you to feed in an e-mail address, which you gave at the time of registration.... |
| | Total Hits: 327 | Today: 0 | Author: Iyer Sankara S H | Rating: |
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This is an ASP.NET Web Application with scripting language as VB.NET & back-end as Oracle 9i. We have the User Interface with 2 WebForms & the oracle database with a Single datatable termed Employee_Info. This table has 3 datafields ID,Name & Designation. The startup task is to get data from the backend & to be able to display it using a Datagrid.
Within the code, there are a lot of Validations' code that i am NOT explaining,I expect that most readers of the Article know the concepts.... |
| | Total Hits: 431 | Today: 0 | | Rating: |
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How to configure your machines to work with Microsoft .NET Passport in a development environment; includes using Microsoft .NET Framework classes to perform .NET Passport single sign-in.... |
| | Total Hits: 4 | Today: 0 | Author: guru.sarkar | Rating:  |
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If you are developing using ASP.NET membership and login controls, you will be seeing the above image. This article will discuss how to prevent and/or cure this.... |
| | Total Hits: 9 | Today: 0 | Author: Marc Clifton | Rating: |
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This is a simple demonstration of managing user account information on a server using ASP.NET. I decided that this might be a good way to get my feet wet in the whole ASP.NET environment, and the trials that I went through to get this far, might be of interest (and amusement!) to everyone else.
I am very much indebted to the numerous people on CP, who have helped answer some of my very basic questions. You all know who you are, and I thank you very much for your help.... |
| | Total Hits: 88 | Today: 0 | Author: vipinsharma. | Rating: |
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This is basically a Login system in ASP.NET using vb.net and JavaScript.
I searched lots of site for "DSN" connectivity in asp.net. But I couldn’t find a single site .So I feel to share this article or code among the developers.
I have used ODBC "DSN” method to connect with database.
And for validation I have used JavaScript, so the beginner in ASP.Net can learn how to use JavaScript in ASP.NET.
As I am new to ASP.NET, if you feel to leave any comment please.... |
| | Total Hits: 97 | Today: 0 | Author: Peter Bromberg | Rating: |
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Shows a simplified way to log requests and deny requests that come from enter annoying bot name here. Can easily be turned on or off with a database entry and without causing app recycle.... |
| | Total Hits: 316 | Today: 0 | Author: Horatiu CRISTEA. | Rating: |
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Here is a script that track user login/logout times on a website. It's a simple script that I have used on some of the sites I've made. Also with this script you can see how many users are online at your site.
For this you need first a site with a 'login to enter' (member based community site). You also need a database to keep the users and the records of their login/logout times. You also need the global.asa file so you can use the Session_OnEnd event to track the time when Session.Abandon o... |
| | Total Hits: 96 | Today: 0 | Author: Bipin Joshi | Rating: |
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ASP.NET allows three main ways to authenticating the user of the application. They are - Windows Authentication, Forms Based Authentication and Passport Authentication. Out of these three Windows and Forms authentications are most commonly used for intranet and internet applications respectively. Authentication involves validating that the user is what he claims to be. In many applications this is not just enough. You also need to grant access rights to the user based on his category. This proce... |
| | Total Hits: 168 | Today: 0 | Author: G. Andrew Duthie | Rating: |
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Unless you have been living on a desert island somewhere, if you are a Microsoft® ASP.NET developer, you have probably heard of a little thing called Whidbey (see ASP.NET "Whidbey" and ASP.NET Whidbey. Whidbey was announced to great fanfare at the 2003 Professional Developer's Conference in Los Angeles, and offers a host of new features that simplify development and reduce the amount of code .NET developers need to write. One of the features that is surely going to excite ASP.NET developers is t... |
| | Total Hits: 113 | Today: 0 | Author: Duncan Mackenzie | Rating: |
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Many applications need to store user-specific settings to be persisted between sessions. But how do you go about saving and restoring these settings in your Microsoft® .NET Framework-based application? It's not all that easy to find the correct answer. You'll find a wide variety of solutions on newsgroups and forums, but only a few of the posted solutions illustrate the proper way to handle this requirement. First, let's define the two main types of settings that an application is likely to have... |
| | Total Hits: 215 | Today: 0 | Author: Ting Huang | Rating: |
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Encryption and hashing are used in this project to solve a common problem faced by many programmers, which is to create a single sign-on across multiple applications, which might be a mix of legacy ASP applications and ASP.NET applications. For many membership websites, it is a very common scenario to limit access of some services to members only and require users to login. But oftentimes these different services are served under different applications or even under different platforms. This tim... |
| | Total Hits: 262 | Today: 0 | Author: Ting Huang | Rating: |
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In part I of the article, I introduced a way to create a single sign-on between asp and asp.net applications. Although the solution is sound, it is not without shortcomings. While the authentication token generated is different each time, it is not time-stamped. Hence, there is no expiration by itself. This could lead to a high risk of being maliciously reused when the token is hijacked. It is not a time-saving or effort-saving solution, because additional development is required on both sides o... |
| | Total Hits: 157 | Today: 0 | Author: ExtremeExperts.com | Rating: |
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In most of the applications you might come across the situation where you need to redirect the user to login page after session timeouts. It is simple, if you want to redirect user to login page when the user submits the page after session timeout. You got the control in server, you can check for session timeout. If that is true, then you can redirect the user to any page you want. If you implemented Authentication like Forms authentication or Passport authentication in your applications. Then t... |
| | Total Hits: 471 | Today: 0 | | Rating: |
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As mentioned in the Security Overview, impersonation refers to a process in which a COM object executes with the identity of the entity on behalf of which it is performing work. What this means for a Web application is that if a server is impersonating, it is doing work using the identity of the client making the request.... |
| | Total Hits: 769 | Today: 0 | | Rating: |
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ASP.NET is used to control client access to URL resources. It is configurable for the HTTP method used to make the request (GET or POST) and can be configured to allow or deny access to groups of users or roles. The following example shows access being granted to a user named John and a role named Admins. All other users are denied access.... |
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