1

When trying to POST some data to a SP list, I get an error telling me: An unexpected 'PrimitiveValue' node was found when reading from the JSON reader. A 'StartObject' node was expected. Interestingly, the testSubmit function works just fine without the Image_x0020_Location line.

For example, this (full function) doesn't work and yields the aforementioned error.

this.testSubmit = function () {
    jQuery.ajax({
        url: this.rootUrl + this.apiUrl + this.listUrl,
        type: "POST",
        data: JSON.stringify({
            '__metadata': { 'type': 'SP.Data.Submitted_x0020_VideosListItem' },
            'Title': this.sub.title,
            'URL0': this.sub.url,
            'Image_x0020_Location': this.sub.imgurl,
        }),
        headers: {
            "accept": "application/json;odata=verbose",
            "content-type": "application/json;odata=verbose",
            "X-RequestDigest": this.sub.formDigest
        },
        success: function successCallback(data) {
            console.log("Test insert was a success");
            console.log(data);
        },
        error: function errorCallback(data) {
            console.log("Test insert failed");
            console.log(data);
            }

    });
};

However, replacing data with 

        data: JSON.stringify({
            '__metadata': { 'type': 'SP.Data.Submitted_x0020_VideosListItem' },
            'Title': this.sub.title,
            'URL0': this.sub.url,
            //'Image_x0020_Location': this.sub.imgurl,
        }),

Works just fine, although it doesn't submit an image URL like it ought to.

Why is this, and how can I get it working?

Huh. Changing the TestSubmit method to include 

data: JSON.stringify({
            '__metadata': { 'type': 'SP.Data.Submitted_x0020_VideosListItem' }, 
            Title: "Test item",
            URL0: "https://google.com",
            'Image_x0020_Location': { Description: "Image location", Url: "https://testing.image" }
        }),

has worked like a charm. However, my more generalized method is showing some strange behaviour.

this.uploadItem = function (sub) {

    jQuery.ajax({
        url: this.rootUrl + this.apiUrl + this.listUrl,
        type: "POST",
        data: JSON.stringify({
            '__metadata': { 'type': 'SP.Data.Submitted_x0020_VideosListItem' },

            Title: sub.title,
            URL0: sub.url,
            'Image_x0020_Location': {
                __metadata: { "type": "SP.FieldUrlValue" },
                Description: sub.title,
                Url: sub.imgurl
            },
        }),
        headers: {
            "accept": "application/json;odata=verbose",
            "content-type": "application/json;odata=verbose",
            "X-RequestDigest": sub.formDigest
        },
        success: function successCallback(data) {
            console.log("Item insert was a success");
            console.log(data);
        },
        error: function errorCallback(data) {
            console.log("Item insert failed");
            console.log(data);
        }

Returns as success, but doesn't include the success data I'd expect. Instead of a JSON object, it gives me...
The HTML of the page that I'm on.

Item insert was a success
<html lang="en" xmlns:mso="urn:schemas-microsoft-com:office:office" xmlns:msdt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" ng-app="submissionForm">  
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Example</title>
<link href="./JavaScript/jcarousel.responsive.css" rel="stylesheet" />
<script type="text/javascript" src="...

what

To top it off, it's not being properly added to the list.

In the end, the strange behavior was caused by the callback structure I was using. Tightly-coupling the code let everything work as intended.

|improve this question
  • Which type column of "Image_x0020_Location" ? – Thales Chemenian Dec 5 '16 at 21:21
  • Image_x0020_Location is a "Hyperlink or Picture" – UrhoKarila Dec 5 '16 at 21:23
3

According to this post from Atish Dipongkor,

The right way to do the post from this type of column is:

JSON.stringify({
        '__metadata': { 'type': 'SP.Data.Submitted_x0020_VideosListItem' },
        'Title': this.sub.title,
        'URL0': this.sub.url,
        'Image_x0020_Location': {
             __metadata: { "type": "SP.FieldUrlValue" },
             Url: "http://test.com",
             Description: "Url Description"
        }
    }),

Made my own test, and it worked:

<d:Test m:type="SP.FieldUrlValue">
    <d:Description>Url Description</d:Description>
    <d:Url>http://test.com</d:Url>
</d:Test>
|improve this answer
  • Thanks! That was able to get the testsubmit() working, but the generalized form is giving me more (and stranger) trouble. – UrhoKarila Dec 5 '16 at 21:37
  • Why did you change your 'URL0' column if it was working? There's no need to change if it is a FieldMultLineText. Change back to be equal as testSubmit function. – Thales Chemenian Dec 5 '16 at 21:42
  • It's working in the TestSubmit() function, but not in the Submit() function. I tried both the standard 'URL0': this.sub.url and the Multiline one, and wasn't having luck with either of them. – UrhoKarila Dec 5 '16 at 21:46
  • Update your post with your submit() function then. – Thales Chemenian Dec 5 '16 at 21:53
  • Heh, sorry, head's a little off kilter. The submit calls UploadImage() and hands off the returned image URL to UploadItem() -- that's included in the question text. – UrhoKarila Dec 5 '16 at 21:54

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