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• Re: JSON Error: "A circular reference was detected while serializing an object of type ..."

  I haven't seen this in my projects but came across the following which may be useful since your object code is being generated: http://sqljunkies.com/WebLog/kmarple/archive/2005/01/11/6180.aspx It may have nothing to do with the issue but I thought I'd pass it along.

  Posted to ASP.NET AJAX Networking and Web Services (Forum) by dwahlin on 7/27/2007
  Filed under: ajax

• Re: "Method error 500" with CascadingDropDown

  I haven’t played with the CascadingDropDown but don’t you need to add the ScriptService attribute to your Web Service? I see you added a ScriptMethod attribute but I would think you still need ScriptService.

  Posted to ASP.NET AJAX Control Toolkit (Forum) by dwahlin on 5/23/2007

• Re: Error With Data Returned From <serviceMethod>

  Ryan Trudelle-Schwarz gave me the answer to this one. It turns out then when <serviceMethod> is used a different callback signature is needed for the JavaScript function than when a Web Service JavaScript proxy is used to call the Web Service. All I had to do was the following to get it working. First the signature had to be changed, and second I had to call get_result() on the data returned from the Web Service. Super easy.......once you know the trick. function OnWSRequestComplete(sender

  Posted to ASP.NET AJAX Networking and Web Services (Forum) by dwahlin on 9/20/2006

• Re: how to set controlid of sqldatasource parameter to txtbox in usercontrol

  I've never tried using a "." for referencing a nested control declaratively. Normally I use the "$". The following post has more info if you've interested: http://weblogs.asp.net/dwahlin/archive/2006/08/25/Finding-ASP.NET-Child-Controls_2E002E002E002E00_The-Simple-Way.aspx

  Posted to ASP.NET AJAX Discussion and Suggestions (Forum) by dwahlin on 9/20/2006

• Error With Data Returned From <serviceMethod>

  I have some sample code working fine when using Atlas combined with JavaScript that calls a Web Service, but in experimenting with the declarative XML script approach to calling a Web Service I'm running into a problem. I have the following defined (notice the <serviceMethod> element): <page xmlns:script=" http://schemas.microsoft.com/xml-script/2005 "> <components> <textBox id="txtCountry" /> <serviceMethod id="smCustomersByCountry" url

  Posted to ASP.NET AJAX Networking and Web Services (Forum) by dwahlin on 9/19/2006
  Filed under: atlas

• Atlas Video Tutorial

  For those who may be new to Atlas (or AJAX techniques in general), I've put together a video that demonstrates some of the features available in the framework. The sample code shown is also available for download if you'd like to play around with some of the features: http://www.xmlforasp.net/codeSection.aspx?csID=116

  Posted to ASP.NET AJAX Discussion and Suggestions (Forum) by dwahlin on 11/14/2005

• Re: Impersonation via LogonUser Failing with ASP.NET V2

  After researching the impersonation problem I posted earlier (see my earlier post) with ASP.NET V2 I found out what is going on but don't have a solution yet. I have <identity impersonate="true" /> in the web.config since I want the authenticated (NT authentication) user's credentials to be used for different operations. However, part of the app has to do something very specific that requires elevated permissions so I impersonate as a higher privilege account temporarily. In ASP.NET V1 that

  Posted to Security (Forum) by dwahlin on 10/17/2005

• Impersonation via LogonUser Failing with ASP.NET V2

  I 've been using Win API calls for dynamically impersonating user accounts with V1.1 with no problems (see code below). I'm now running the exact same code with ASP.NET V2 and the call to the Win32 API LogonUser method is returning false instead of true (no error code reported...it's 0). I'm guessing that underneath the covers some privileges aren't available to successfully complete the call that were available in V1.1. I looked at some of the code access security files for V2 but haven't found

  Posted to Security (Forum) by dwahlin on 10/13/2005

• Impersonation via LogonUser Failing in ASP.NET 2.0

  I've been using Win API calls for dynamically impersonating user accounts with V1.1 with no problems (see code below). I'm now running the exact same code with ASP.NET V2 and the call to the Win32 API LogonUser method is returning false instead of true (no error code reported...it's 0). I'm guessing that underneath the covers some privileges aren't available to successfully complete the call that were available in V1.1. I looked at some of the code access security files for V2 but haven't found what

  Posted to Migrating from ASP.NET 1.x to ASP.NET 2.0 (Forum) by dwahlin on 10/13/2005

• Re: Atlas Demo Application and help with PushPins

  Good stuff Wilco...and thanks for sharing your pushpin idea. I'll give that a shot. I updated my blog with a reference to yours so people could get a look at doing things in a more declarative manner. http://weblogs.asp.net/dwahlin/archive/2005/10/06/426833.aspx

  Posted to ASP.NET AJAX Discussion and Suggestions (Forum) by dwahlin on 10/6/2005