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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / IFRAME throws exceptio...
Microsoft Dynamics CRM (Archived)

IFRAME throws exception while launching another page using response.redirect within IFRAME.

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Posted on by Mohsin Ali 3,634

I have a couple of web pages say Deafault.aspx and docPage.aspx. I have deployed that web application at local IIS. When I browse it load the Default.aspx and from that page I can call the docPage.aspx, so far so good.

Now, I configured the web application winthin an IFRAME on Order form. It loads the Default.aspx but when I clicked to open docPage.aspx it throws an exception.

Exception:

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.]

  Default2.Page_Load(Object sender, EventArgs e) +60

  System.Web.UI.Control.OnLoad(EventArgs e) +108

  System.Web.UI.Control.LoadRecursive() +67

  System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4497

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I have the same question (0)
  • ScottDurow Profile Picture
    ScottDurow 21 on at

    What code is in your on load event at line 60?

  • Mohsin Ali Profile Picture
    Mohsin Ali 3,634 on at

    It is commented line. Default.aspx I am setting values of session and on PageLoad event in docPage.aspx I am getting values from session.  here is what I have in pageLoad event:

    string docType = Session["docType"].ToString();

string docName = Session["docName"].ToString();

SearchParameters searchParam = (SearchParameters)Session["profile"]; //cuser defined type SearchParameters


  • Mohsin Ali Profile Picture
    Mohsin Ali 3,634 on at

    I think it sets the session to null.

  • ScottDurow Profile Picture
    ScottDurow 21 on at

    Then the session is dependent on cookies being saved and so if your aspx pages are in a different domain I suspect that the iframe is not persisting 3rd party cookies - see stackoverflow.com/.../setting-cookie-in-iframe-different-domain

    Hope this helps

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