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Postback occurs when user clicks out of the node

Hi,

I am using Syncfusion diagramwebcontrol. When user clicks on the node It will go to the onnodeclick event. But When user clicks out of the node.. anywhere in diagram the request is submitting to the server(but not executing any methods).. which causes the error in our prod server. can anyone help me how to fix this error. The error looks like this....

Log Name: Application
Source: ASP.NET 2.0.50727.0
Date: 2/16/2011 3:27:25 PM
Event ID: 1309
Task Category: Web Event
Level: Warning
Keywords: Classic
User: N/A
Computer: PACDCPCCOMA01.cable.comcast.com
Description:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 2/16/2011 3:27:25 PM
Event time (UTC): 2/16/2011 8:27:25 PM
Event ID: 8405df81e617400d9a85986550853be5
Event sequence: 465026
Event occurrence: 10
Event detail code: 0

Application information:
Application domain: /LM/W3SVC/1/ROOT-1-129423289985243864
Trust level: Full
Application Virtual Path: /
Application Path: C:\inetpub\wwwroot\OM\
Machine name: PACDCPCCOMA01

Process information:
Process ID: 3184
Process name: w3wp.exe
Account name: IIS APPPOOL\Classic .NET AppPool

Exception information:
Exception type: ArgumentNullException
Exception message: Value cannot be null.
Parameter name: Node can't be null

Request information:
Request URL: http://ccom/ImgRequest.ashx?dID=ccf03ab3-1902-4ad2-9020-e9025a8431d9&nName=LineConnector41&recLeft=0&recTop=0&recRight=1&recBottom=1&DrawPorts=true&t=WedAn unhandled exception has occurred.C%2016%20Feb%202011%2020%3A25%3A32%20UTC
Request path: /ImgRequest.ashx
User host address: 10.172.229.74
User: CABLE\LMorga006
Is authenticated: True
Authentication Type: Negotiate
Thread account name: IIS APPPOOL\Classic .NET AppPool

Thread information:
Thread ID: 13
Thread account name: IIS APPPOOL\Classic .NET AppPool
Is impersonating: False
Stack trace: at Syncfusion.Web.UI.WebControls.Diagram.DiagramUtils.GetBitmapNodeSize(Node node, Single fMagnification)
at Syncfusion.Web.UI.WebControls.Diagram.NodeRenderHandler.RenderNode(HttpContext context, View dgmView, String strNodeName, Boolean& bSync, RenderOptimizations renderOpt)
at Syncfusion.Web.UI.WebControls.Diagram.NodeRenderHandler.ProcessRequest(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)


Custom event details:

Event Xml:
'>http://schemas.microsoft.com/win/2004/08/events/event">


1309
3
3
0x80000000000000

9353
Application
PACDCPCCOMA01.cable.comcast.com



3005
An unhandled exception has occurred.
2/16/2011 3:27:25 PM
2/16/2011 8:27:25 PM
8405df81e617400d9a85986550853be5
465026
10
0
/LM/W3SVC/1/ROOT-1-129423289985243864
Full
/
C:\inetpub\wwwroot\OM\
PACDCPCCOMA01


3184
w3wp.exe
IIS APPPOOL\Classic .NET AppPool
ArgumentNullException
Value cannot be null.
Parameter name: Node can't be null

http://ccom/ImgRequest.ashx?dID=ccf03ab3-1902-4ad2-9020-e9025a8431d9&nName=LineConnector41&recLeft=0&recTop=0&recRight=1&recBottom=1&DrawPorts=true&t=Wed%2C%2016%20Feb%202011%2020%3A25%3A32%20UTC
/ImgRequest.ashx
10.172.229.74
CABLE\LMorga006
True
Negotiate
IIS APPPOOL\Classic .NET AppPool
13
IIS APPPOOL\Classic .NET AppPool
False
at Syncfusion.Web.UI.WebControls.Diagram.DiagramUtils.GetBitmapNodeSize(Node node, Single fMagnification)
at Syncfusion.Web.UI.WebControls.Diagram.NodeRenderHandler.RenderNode(HttpContext context, View dgmView, String strNodeName, Boolean& bSync, RenderOptimizations renderOpt)
at Syncfusion.Web.UI.WebControls.Diagram.NodeRenderHandler.ProcessRequest(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)







New Folder_ab3b55b7.zip

1 Reply

BM Bala Murugan A.S Syncfusion Team February 24, 2011 11:48 AM UTC

Hi Srini,

Thanks for the update.

We have worked on this and since we are not able to reproduce the issue reported by you. Could you please modify the below sample to reproduce that issue and post it back which will be more helpful for us to investigate more on this and to provide better solution to you.

Sample Link:
http://www.syncfusion.com/uploads/redirect.aspx?&team=support&file=Sample-107833912.zip

Please let me know if you have any concerns.
Regards,
Bala Murugan A.S


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