Building a C# Chat Client and Server
A step by step tutorial teaching you how to create your own chat client and chat server easily in C#, for local networks or the Internet.
Getting Hard Drive Information
A C# tutorial showing you how to make use of WMI to extract information on disk drives, such as model, capacity, sectors and serial number.
UPS Shipping Calculator
This tutorial will teach you how to calculate the shipping cost based on the weight, height, length and depth of the box, the distance and the UPS service type.
Create Your Own Rich Text Editor
Creating a Rich Text Editor using JavaScript is easier to do than you might think, thanks to the support of modern browsers; this tutorial will walk you through it.
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ASP.NET Security Newsgroups
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Authenticating Across Domains
hi, i have an asp.net application which runs over clear http. one of the forms has the functionality to authenticate the user. However, since the web application is not running on https i've set...
| On Wednesday, May 6th 2009 at 06:55 AM by Joey Bravo | No Replies |
Populating MembershipUserCollection Throws Exception
I am writing a custom MembershipProvider. A snippet for the GetAllUsers method follows. // vw_lion_Apps_Membership is a view containing membership data. Table lionMembers...
| On Tuesday, May 5th 2009 at 06:09 PM by Anonymous | 1 Reply |
Forms Auth/Membership & Roles Providers/Secured Directory
...
| On Tuesday, May 5th 2009 at 04:25 PM by Anonymous | 1 Reply |
Need To Do A User Creation/management/login/group Membership
Is the built-in ASP.NET user/group management classes still the way to go? And if so: 1) Any good url to walk me through it - I did this 2 years ago and have forgotten everything. 2) Any sample...
| On Friday, May 1st 2009 at 06:07 PM by David | 1 Reply |
Losing Membership Provider Settings
I have a simple sample app that offers a ChangePassword.Aspx page. If I click a link to that page, all my membership provider settings work fine, but if I Response.Redirect to that same page, seems...
| On Tuesday, April 28th 2009 at 03:26 PM by Anonymous | 1 Reply |
CAC Authentication Single Sign-on
I'm working with the DoD. At present users of my application login by going to the url they must have a CAC to get to the login page. At which time the user enter there userID and password. What...
| On Thursday, April 23rd 2009 at 02:29 PM by Anonymous | 2 Replies |
SSO With FormsAuthntication Authenticating In A Single Site
We are working on a few portals. The system design is set to authenticate in a single site because we only want to purchase one ssl certificate for the whole system. The whole authentication works...
| On Monday, March 9th 2009 at 05:59 PM by Anonymous | No Replies |
Passwordstrengthregularexpression Question
I set up a password regular expression in the CreateUserWizard control and it worked great. I then moved it, verbatim, into the web.config memebership provider, and the CreateUserWizard control seems...
| On Monday, March 2nd 2009 at 04:54 PM by Anonymous | No Replies |
Problem With Login
Hello NG! I have the following problem with Asp.Net-Membership/Roles. I have written a Website using Asp.Net-Membership and Roles. When I access the site by "http://localhost/login.aspx" everything...
| On Friday, February 27th 2009 at 10:36 AM by Anonymous | 2 Replies |
How To Convert CryptHashData To .Net MD5CryptoServiceProvider?
Hello All, I am trying to re-write an old functionality that we used in a Borland C++ application usung the CryptHashData Windows function. It works good so far but I am having trouble getting...
| On Tuesday, February 10th 2009 at 10:05 AM by Anonymous | 1 Reply |
XSS - Session Hijacking
note - using ASP.NET 2.0 I would like to set the httponly cookie flag on the asp.net sessionid cookie. I know I can set this via the httpCookies element in web.config, but I don't want to set...
| On Wednesday, February 4th 2009 at 09:00 PM by Anonymous | No Replies |
LDAP Authentication
Hi, I am trying to authenticate user and password against Sun One LDAP. I am getting the following message when trying to connect: This provider can target only Active Directory and ADAM directories...
| On Monday, February 2nd 2009 at 05:44 PM by Anonymous | 5 Replies |
Problem Registering For Events From WinForms Control Hosted In IE
I've had a WinForms control hosted in IE for quite some time now and it has always worked well (.NET 2.0, IE 7). But recently as we are preparing for a new release my script tags (e.g. that register...
| On Friday, January 16th 2009 at 12:55 PM by Mike | No Replies |
HTML Tags And Potentially Dangerous Characters
I appreciate the potential danger vis-a-vis Cross-Site Scripting in allowing user input to get to a Response.Write. Suppose, however, that user input is assigned ONLY to the innerText attribute...
| On Thursday, January 15th 2009 at 07:02 PM by Anonymous | No Replies |
Httphander Pagehanderfactory Medium Trust Security Exception.
Hi all i have a strang issue when using a custom http hander in a medium trust enviroment, thats enforced by my webhost for sake of ease and to rule out my custom code i have a http handler defined...
| On Monday, January 12th 2009 at 06:31 AM by Anonymous | No Replies |
How Do I Authencate And Authorize Users Using AD And SQL App Role
I have an application that is being developed for our Intranet. Which will require authentication of users that are members in an Active Directory group; TIRES Users, TIRES Super, TIRES Admin....
| On Wednesday, November 26th 2008 at 01:01 PM by Anonymous | No Replies |
Deploy Asp.net 1.1, 2.0 And 3.5 On IIS7.0
Hi There, I try to deploy the asp.net applications on the IIS7.0 (this is new window 2008 server). All of the web applications have include files This include files working fine with IIS6 framework...
| On Tuesday, November 25th 2008 at 05:26 PM by Anonymous | No Replies |
Membership Provider - Users Question
I have much more data to store (e.g. FirstName, LastName, Streetname, ...) for a Profile/Account then aspnet_users stores. This Profile/Account data probably will be stored (due to normalization)...
| On Saturday, November 1st 2008 at 04:58 PM by Anonymous | No Replies |
User.identity.name Returns Old AD User Name
We changed a username in AD. The user now logs on to a computer on our network using the new username without any problems. They can not logon using the old username. However, when they access a...
| On Friday, October 31st 2008 at 01:48 PM by Anonymous | 4 Replies |
Giving Fulltrust To Windows User Control Hosted On Web Page
Hello, Please give me the solution for giving the full trust to the user control through code?? Thanks in advance.
| On Tuesday, October 21st 2008 at 01:56 AM by Gouri | No Replies |
Access To Restricted Folder
I have configured my app to use sql membership provider. I have a sub folder which has specified pages to allow access to restricted users. When I ran the application, I get this error: It is an error...
| On Monday, September 29th 2008 at 07:51 PM by Anonymous | 1 Reply |
MembershipProvider To Maintain Previous Passwords
hi, i have a requirement to prevent the 2 most recent previous passwords from being used when a user is required to change their password. This doesn't appear to be supported by the default SQL Membership...
| On Wednesday, September 24th 2008 at 12:33 PM by Tim_Mac | No Replies |
Form Authenticatton
When the user clicks logout I do FormsAuthentication.SignOut(); Session.Clear(); Session.Abandon(); Response.Redirect("Login.aspx"); How do I prevent the back button from being used to go back...
| On Monday, September 22nd 2008 at 11:11 AM by Anonymous | No Replies |
Web Application Authentication - Active Directory And SQL
Hi All, We are into the planning phase for an enterprise web application. The applicaiton will be access by internet users as well as the organization users. The public users will access the web...
| On Wednesday, September 17th 2008 at 12:42 AM by Anonymous | 1 Reply |
Security Exception - Accessing Remote Folders & Files
Hi I've been struggling with this issue for a couple of days, tried all sorts of things I read but do not seem to get rid of the issue. I have been assigned the task of developing a web-application...
| On Wednesday, September 10th 2008 at 06:37 AM by Anonymous | No Replies |
Webconfig Error CRM3 Webapplication
Hi, I've made a custom toolbarbutton in Crm3 that opens up a asp.net application. The problem is, when the asp.net application opens up I get the following error saying: This error can be caused...
| On Friday, September 5th 2008 at 10:20 AM by Sandra Smit | 1 Reply |
AzMan FileNotFoundException
Hello, I'm trying to work through the example found at: http://msdn.microsoft.com/en-us/library/ms998336.aspx and at first it seems to work fine. But after a reboot I always seem to get a FileNotFoundException...
| On Thursday, September 4th 2008 at 03:23 AM by |
Impersonation And Anonymous User
Hi All I have a web application in which I have to start and stop different services on local machine as well as on network machines. I have used Impersonation to acheive the functionality. The...
| On Thursday, August 28th 2008 at 08:46 AM by msnews.microsoft.com | No Replies |
SQL Injection
My server was badly infected by SQL Injection. It was almost eating up my whole database every hour. I would recommend few of the below options to be done... to make oneself more safe. NOTE: First...
| On Thursday, August 28th 2008 at 05:50 AM by Niraj | 1 Reply |
Windows Authentication
Hello, I m having a server... having iis 6 and .net 1.1 framework. It has about 3-4 web applications hosted on it. Its well said we should use Windows Authentication to authenticate windows users...
| On Wednesday, August 27th 2008 at 03:48 AM by Niraj | No Replies |
Need Of Time
http://groups.google.com/group/saveearthforme
| On Wednesday, August 27th 2008 at 02:51 AM by Niraj | 1 Reply |
Problem Connecting To The Database After Upgrading From .Net 1.1
I am trying to upgrade a large asp.net application from .Net 1.1 to ..Net 3.0 I'm getting an error when connecting to the database now that the app runs as a .Net 3.0 application. the database...
| On Tuesday, August 26th 2008 at 06:51 PM by Michael | 2 Replies |
Unwanted URL Encoding
I am writing my first .net app in vs 2008, .net 3.5 and using IIS 6. I am filling an iframe with an external url that I create dynamically. This is working fine except for the fact that my url is...
| On Monday, August 25th 2008 at 05:52 PM by Anonymous | 2 Replies |
Routing Userrights To Another ASP.Net Webapplication
I've got a ASP.Net Application, whos running on an IIS with integrated security. This Application offers a download for documents who are not hosted in the ASP.Net Application. It's hosted on a several...
| On Monday, August 25th 2008 at 09:11 AM by T. Beneke | 1 Reply |
RSACryptoServiceProvider - Low Disk Space Issue
Hi, I am developing an asp.net 2.0 application in which I have requirement of password encryption and decruption. I am using RSACryptoServiceProvider class to encryot/decrypt. I have my own private...
| On Monday, August 25th 2008 at 08:30 AM by Anonymous | No Replies |
AzMan Caching Issue
Has anybody encountered issues with AzMan caching? I'm using Active Directory for my store. I keep my AzAuthorizationStoreClass and my IAzApplication2 instances in static variables that I initialize...
| On Friday, August 22nd 2008 at 06:31 PM by Anonymous | No Replies |
Testing Web Security
Hi All, As we all aware writing secured application is vital to the development . Based on the security settings & configuration files , IIS will allow or reject the contents to the browser ....
| On Tuesday, August 19th 2008 at 07:31 AM by | No Replies |
Windows Authentication - Not Seeing Groups
hello, my ASP.NET apps use Windows Server 2003, and Integrated Windows authentication in the web.config: ....our windows users are assigned to Groups in Active Directory, which i can usually...
| On Thursday, August 14th 2008 at 03:18 PM by SpaceMarine | 1 Reply |
Failed To Start Monitoring Changes To
I am receiving this message when I try to browse a file in a virtural directory connected to a network share on another machine in my local network. An error occurred loading a configuration file...
| On Tuesday, August 5th 2008 at 01:53 PM by Anonymous | 1 Reply |
Server Has Rejected The Client Credentials
Hello, I need help. I've built a remoting application. I made the client and server "according to the book". On the same machine it worked fine, but when I put on two machines (on the same Lan and...
| On Sunday, August 3rd 2008 at 07:04 AM by danielmoreshet@gmail.com | No Replies |
ASP.NET Web Site Administration Tool Searches Fail
I have a web app configured to use AzMan authorization provider and ADAM membership provider. I can launch the AWSAT and see the roles, etc. But when I try to search for users, I get no results....
| On Wednesday, July 30th 2008 at 09:42 AM by Anonymous | No Replies |
When Using System.IO.FileStream, I Write 8 Bytes, Then Seek To The Start Of The File, Does The 8 Bytes Get Flushed On Seek And The Buffer Become A Readbuffer At That Point Instead Of Being A Write Buffer?
When using System.IO.FileStream, I write 8 bytes, then seek to the start of the file, does the 8 bytes get flushed on seek and the buffer become a readbuffer at that point instead of being a write...
| On Monday, July 28th 2008 at 09:37 PM by DR | No Replies |
ScriptResource.axd Is Occasionally Throwing Server Error (500) RSS
In one of .Net 2.0 application, we start getting application server error 500 for ScriptResource.axd after several hrs/days of use. This happens all of sudden without any warning. The app would work...
| On Monday, July 28th 2008 at 05:46 PM by Anonymous | No Replies |
What Characters Am I Allowed To Use When Submitting Fields?
This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C8ECDF.D9D2EB80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable When signing...
| On Wednesday, July 23rd 2008 at 04:19 PM by Nathan Sokalski | 2 Replies |
Writing An Exception To Both The Event Log And To An Error Page
In a C# class of an ASP.NET application, I am logging the exceptions to the windows even log. How can I simultaneously propagate the exception on top and let the Page that calls that C# class to catch...
| On Tuesday, July 22nd 2008 at 02:55 PM by Anonymous | No Replies |
Integrated Authentication And Change User
Hi!! I develop an Intranet Web Application and I use the Integrated Authentication, ASP.NET 2.0 and IIS 6.0, but I'd like to enable the function to change the connected user (like Sharepoint)......
| On Tuesday, July 22nd 2008 at 11:44 AM by Mino | No Replies |
Does Anybody Know Of Any Good Books On ASP.NET Membership And The Login Controls?
Does anybody know of any good books that are specifically on ASP.NET Membership and the Login controls? Thanks. -- Nathan Sokalski njsokalski@hotmail.com http://www.nathansokalski.com/
| On Friday, July 18th 2008 at 08:51 PM by Nathan Sokalski | 3 Replies |
Using The Element In Web.config
I do not want my CreateUserWizard to require a confirmation question and answer. In order to do this, I need to set some of the attributes of the following elements in Web.config:...
| On Tuesday, July 15th 2008 at 09:18 PM by Nathan Sokalski | 1 Reply |
SqlRoleProvider & Windows Authentication
hello, can anyone confirm whether or not a the SqlRoleProvider can be used for a web app thats using Windows Authentication? im building apps on an intranet and need support for working w/ custom...
| On Saturday, July 5th 2008 at 05:42 PM by SpaceMarine | No Replies |
Design Patterns For Managing The Roles In .NET 2.0 Web Application
I have a .NET 2.0 web application consisting of few tabs with different functionality (for students to carry out tests, for teachers to evaluate them). Each tab contains few components with certain...
| On Thursday, July 3rd 2008 at 07:20 AM by wiernyjacek@gmail.com | No Replies |
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