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Javascript returns undefined when called from command button function

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Posted on by JamesWils 5

Hi,

I have the following JS code

function getFormRedirectAttribute(formContext,formRedirect){
    alert(formRedirect); //parameter string
}

This is called via form OnLoad Event. This returns a parameter string I've included in the form event. I've confirmed this returns the parameter string in an alert message when the form loads (formRedirect).

I then have the following command bar button code which should execute the function above when dialog is confirmed (getFormRedirectAttribute). The expected result is to return the parameter string as an alert exactly like it does on form load, however the alert string always returns "Undefined" when called via the button. I'm not sure why?

function buttonRequestAccessRecord(formContext) {
	var confirmStrings = { text:"Run function", title:"Confirmation Dialog" };
	var confirmOptions = { height: 200, width: 450 };
	Xrm.Navigation.openConfirmDialog(confirmStrings, confirmOptions).then(

	function (success) {    
		if (success.confirmed)        
			getFormRedirectAttribute();
		else
			getFormRedirectAttribute();
	});
}

Any help is massively appreciated!

Many thanks 

  • JamesWils Profile Picture
    JamesWils 5 on at
    RE: Javascript returns undefined when called from command button function

    Hi Matt,

    Unfortunately the above code doesn't have the expected result. Within the success function, rather than have "This is my alert", I simply need to execute getFormRedirectAttribute with both formContext and parameter which is passed on form load from getFormRedirectAttribute function

    Something like

    function getFormRedirectAttribute(formContext,myParameterString){

 alert(myParameterString); 

// This is called on Form Load event and returns myParameterString value as SpongeBob Squarepants
// This function is also called via function buttonRequestAccessRecord but returns "Undefined"
   
}

function buttonRequestAccessRecord(formContext) {
	var formRedirect = formRedirect
	var confirmStrings = { text:"Run function", title:"Confirmation Dialog" };
	var confirmOptions = { height: 200, width: 450 };
	Xrm.Navigation.openConfirmDialog(confirmStrings, confirmOptions).then(

	function (success) {    
		if (success.confirmed)        
			getFormRedirectAttribute(formContext,myParameterString);
		else
			getFormRedirectAttribute(formContext,myParameterString);
	});
}

  • Suggested answer
    - Matt Bayes - Profile Picture
    - Matt Bayes - 890 on at
    RE: Javascript returns undefined when called from command button function

    Hi James,

    I may be misunderstanding, but based on the code you supplied I would expect you to have to pass the getFormRedirectAttribute() method in your success function some parameters.

    Since you are looking to alert the "formRedirect" parameter, the expected format of the function call should be something like:

    function buttonRequestAccessRecord(formContext) {
	var confirmStrings = { text:"Run function", title:"Confirmation Dialog" };
	var confirmOptions = { height: 200, width: 450 };
	Xrm.Navigation.openConfirmDialog(confirmStrings, confirmOptions).then(

	function (success) {    
		if (success.confirmed)        
			getFormRedirectAttribute(formContext, "This is my alert");
		else
			getFormRedirectAttribute(formContext, "This is also my alert");
	});
}

    I may have misunderstood what you referred to when you said that it worked in the OnLoad event, but I believe this would be why your parameter string is Undefined because the variable used actually isn't being passed in.

    Thanks!

    Matt Bayes

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