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12/22/2011 8:20 PM
 
Dadio


Joined: 12/22/2011
Posts: 3
tNetNuke Error

 

An error has occurred. DotNetNuke.Services.Exceptions.PageLoadException: A potentially dangerous Request.Form value was detected from the client (dnn$cp$RibbonBar$EditPage$SkinLst="<Use Default Site Sk..."). ---> System.Web.HttpRequestValidationException: A potentially dangerous Request.Form value was detected from the client (dnn$cp$RibbonBar$EditPage$SkinLst="<Use Default Site Sk..."). at System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection) at System.Web.HttpRequest.ValidateNameValueCollection(NameValueCollection nvc, RequestValidationSource requestCollection) at System.Web.HttpRequest.get_Form() at System.Web.HttpRequest.get_HasForm() at System.Web.UI.Page.GetCollectionBasedOnMethod(Boolean dontReturnNull) at System.Web.UI.Page.DeterminePostBackMode() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace ---
New to DotNetNuke can someone advise?
 
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12/23/2011 8:16 AM
 
William Severance


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

If DotNetNuke is runing in an ASP.Net v 4.0 (rather than 2.0/3.5) application pool make sure that the web.config file's httpRuntime element has been modified to include the following attribute and value:

requestValidationMode="2.0"

for example:

<httpRuntime useFullyQualifiedRedirectUrl="true" maxRequestLength="8192" requestLengthDiskThreshold="8192" requestValidationMode="2.0" />
This change should have occurred automatically when an ASP.Net v 4.0 application pool is detected but can (along with other nececessary changes to web.config) can fail in certain cases.
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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1/1/2012 11:49 AM
 
Dadio


Joined: 12/22/2011
Posts: 3
Thanks for the response Bill, but that does not appear in my web config file. When I add it to the line it errors out. 
 
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1/11/2012 1:56 PM
 
pk


Joined: 12/8/2011
Posts: 5
Found the problem.  The hosting site did not have write permissions enabled.  Once I did that, then everything worked fine.
 
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