Microsoft Dynamics CRM (Archived)

Javascript error after migration CRM 2016

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Posted on by Community Member

Hey guys!

We migrated CRM 2016 last friday and now everytime we click on a contact we see this error message.

and

Here is also log files for both pictures above

TypeError: Unable to get property 'children' of undefined or null reference
   at deleteActivitiesTab (ahcrm.hdsaas.com/.../ah_DeleteActivitiesTab)
   at eval code (eval code:1:1)
   at RunHandlerInternal (ahcrm.hdsaas.com/.../ClientApiWrapper.aspx)
   at RunHandlers (ahcrm.hdsaas.com/.../ClientApiWrapper.aspx)
   at OnScriptTagLoaded (ahcrm.hdsaas.com/.../ClientApiWrapper.aspx)
   at Anonymous function (ahcrm.hdsaas.com/.../ClientApiWrapper.aspx)

TypeError: Unable to set property 'onclick' of undefined or null reference
   at filterAllActivities (ahcrm.hdsaas.com/.../ah_AllActivities)
   at eval code (eval code:1:1)
   at RunHandlerInternal (ahcrm.hdsaas.com/.../ClientApiWrapper.aspx)
   at RunHandlers (ahcrm.hdsaas.com/.../ClientApiWrapper.aspx)
   at OnScriptTagLoaded (ahcrm.hdsaas.com/.../ClientApiWrapper.aspx)
   at Anonymous function (ahcrm.hdsaas.com/.../ClientApiWrapper.aspx)

I checked - codes on both versions 2013 and 2016 are exactly the same

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Answers (1)

Gopalan Bhuvanesh 11,401 on at

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Hi

Please check the web resources (JavaScript files) used in contact form (ah_DeleteActivitiesTab and ah_AllActivities)

and find out the JS statements which uses

children

onclick

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Community Member on at

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I just checked but everything seem to be fine

onLoad: function HideActivities() {

var ctrlElement = document.getElementById(“header_notescontrol”);

if (ctrlElement.children != null && ctrlElement.children.length > 0) {

for (var ele = 0; ele < ctrlElement.children.length; ele++) {

var ctrl = ctrlElement.children[ele];

if (ctrl.title == “ACTIVITIES”) {

ctrl.style.display = “none”;

if (ele + 1 < ctrlElement.children.length) {

ctrlElement.children[ele + 1].click();

return;

}

else if ((ele – 1) >= 0) {

ctrlElement.children[ele – 1].click();

return;

}

}

}

}

}

and

function deleteActivitiesTab() {

var ctrlElement = document.getElementById("header_notescontrol");

if (ctrlElement.children != null && ctrlElement.children.length > 0) {

for (var ele = 0; ele < ctrlElement.children.length; ele++) {

var ctrl = ctrlElement.children[ele];

if (ctrl.title == "ACTIVITIES") {

ctrl.style.display = "none";

if (ele + 1 < ctrlElement.children.length) {

ctrlElement.children[ele + 1].click();

return;

}

else if ((ele - 1) >= 0) {

ctrlElement.children[ele - 1].click();

return;

}

}

}

}

}

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Suggested answer

ashlega 34,477 on at

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Hi,

have a look at this thread:

community.dynamics.com/.../647546

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Verified answer

Gopalan Bhuvanesh 11,401 on at

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Hi

You are using unsupported way of customization (accessing HTML DOM elements using ids).

The element ids might have changed or so.

Please convert your code by using SDK Library (Xrm.Page or Xrm.Utility namespaces).

Please refer the following (read the Important note at the top):

msdn.microsoft.com/.../gg328255.aspx

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