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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...Event validation - can't modify site's Alias settingsEvent validation - can't modify site's Alias settings
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4/16/2014 1:32 PM
 
Greg Greensky


engraft.pl
Joined: 9/21/2010
Posts: 204

When trying to change my site's aliases the page script got looped and the settings were not saved.

The Event Viewer mentions  <pages enableEventValidation="true"/> and <%@ Page EnableEventValidation="true" %>.

My google search fetched in this dnn Wiki page about the issue: http://www.dnnsoftware.com/wiki/loc/p...

After changing the web.config file's entry of enableEventValidation to "false" I was able to add/change the site's aliases.

So the question is should I toggle the enableEventValidation value every time I want to change the site's aliases or is there another workaround to this or is this a bug?

EDIT:
My configuration:
DNN 7.2.2
IIS7.5
.Net Framework 4.0.30319

English-Polish translations, one-to-one English/Polish tutoring, Windows server management, website development - HTML/JS/CSS/Razor
 
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4/16/2014 10:45 PM
 
William Severance


www.wesnetdesigns.com
Joined: 2/18/2005
Posts: 3253

The attribute enableRequestValidation should not have to be set to "false". Please check that the <httpRuntime . . . /> node of web.config includes the attribute and value:

requestValidationMode="2.0"

If you have upgraded the site to 7.x and its application pool from ASP.Net v 2.0/3.5 to the now required 4.0/4.5, this attribute/value should have been automatically added during the upgrade process. If it is not present, it is likely that the ASP.Net worker process (IIS identity account) did not have sufficient permissions on the root website folder or that web.config had its read only attribute set at the time of the upgrade.

Bill, WESNet Designs
Team Lead - DotNetNuke Gallery Module Project (Not Actively Being Developed)
Extensions Forge Projects . . .
Current: UserExport, ContentDeJour, ePrayer, DNN NewsTicker, By Invitation
Coming Soon: FRBO-For Rent By Owner
 
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4/17/2014 2:15 AM
 
Greg Greensky


engraft.pl
Joined: 9/21/2010
Posts: 204

William, thanks for your prompt reply.

However, the source of the problems you describe seems not to be applicable in my case.

  1. the attribute is in my web.config file and it reads "true": <pages validateRequest="false" enableViewStateMac="true" enableEventValidation="true" viewStateEncryptionMode="Always" controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID">
  2. requestValidationModereads "2.0": <httpRuntime useFullyQualifiedRedirectUrl="true" maxRequestLength="27648" requestLengthDiskThreshold="27648" requestValidationMode="2.0" requestPathInvalidCharacters="&lt;,>,*,%,:,\,?" />
  3. the applPool is 4.0.30319 (Integrated) and has full control over the root folder and web.config
  4. the web config is not restricted to be read only
  5. perhaps the full content of the error message will shed some more light:

AssemblyVersion:7.2.2
PortalID:0
PortalName:Greensky Portal
UserID:1
UserName:Greg
ActiveTabID:63
ActiveTabName:Site Settings
RawURL:/pl-pl/pl-pl/admin/sitesettings.aspx
AbsoluteURL:/Default.aspx
AbsoluteURLReferrer:http://green-sky.sytes.net/pl-pl/pl-pl/admin/sitesettings.aspx
UserAgent:Mozilla/5.0 (Windows NT 6.1; WOW64; rv:28.0) Gecko/20100101 Firefox/28.0
DefaultDataProvider:DotNetNuke.Data.SqlDataProvider, DotNetNuke
ExceptionGUID:e1ce0935-2dc4-490e-964c-59a128995bc7
InnerException:Unhandled Error:
FileName:
FileLineNumber:0
FileColumnNumber:0
Method:System.Web.UI.ClientScriptManager.ValidateEvent
StackTrace:
Message:

System.Exception: Unhandled Error:  ---> DotNetNuke.Services.Exceptions.PageLoadException: Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation. ---> System.ArgumentException: Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
   w System.Web.UI.ClientScriptManager.ValidateEvent(String uniqueId, String argument)
   w System.Web.UI.Control.ValidateEvent(String uniqueID, String eventArgument)
   w System.Web.UI.WebControls.DropDownList.LoadPostData(String postDataKey, NameValueCollection postCollection)
   w System.Web.UI.WebControls.DropDownList.System.Web.UI.IPostBackDataHandler.LoadPostData(String postDataKey, NameValueCollection postCollection)
   w System.Web.UI.Page.ProcessPostData(NameValueCollection postData, Boolean fBeforeLoad)
   w System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   --- Koniec śladu stosu wyjątków wewnętrznych ---
   w DotNetNuke.Services.Exceptions.Exceptions.ProcessPageLoadException(Exception exc, String URL)
   w DotNetNuke.Framework.PageBase. (EventArgs e)
   w System.Web.UI.Page.HandleError(Exception e)
   w System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   w System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   w System.Web.UI.Page.ProcessRequest()
   w System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context)
   w System.Web.UI.Page.ProcessRequest(HttpContext context)
   w ASP.default_aspx.ProcessRequest(HttpContext context)
   w System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   w System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
   --- Koniec śladu stosu wyjątków wewnętrznych ---

Source:

Server Name: Laptop-G

As I wrote in my first post I toggle the enableEventValidation attribute only when I need to change the alias settings meaning I change the value back to "true" when the the changes in the alias settings have been made.

Any insight on this would be appreciated.

English-Polish translations, one-to-one English/Polish tutoring, Windows server management, website development - HTML/JS/CSS/Razor
 
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