setvalue in multi node tree picker - Using Umbraco 7

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aleksandar 14 posts 74 karma points

Sep 28, 2015 @ 12:19

0

Set.value in multi node tree picker

Hi does anyone know the data saving format for multi ndoe tree picker, i have problem when i want to programaticly set new value, not chosing from the umbraco cms.

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Kevin Jump 2341 posts 14868 karma points MVP 8x c-trib

Sep 29, 2015 @ 19:07
0
Hi

The MNTP values should just be a comma separated list of NodeIds, i.e

1032,1042,1039

If you have you're content item , its stored as a string, so you should beable to call
```
item.SetValue("yourMNTPpropertyAlias", nodelist)
```
remember to save the via the contentService.
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David Armitage 508 posts 2078 karma points

May 22, 2018 @ 05:18
9
Hi Guys,

Its got a little more complicated recently. I miss the days when you could just pass in a list of Ids.

Unfortunately you now have to pass in a list of UDIs. This is a combination of some document stuff and a formatted guid.

A valid example would look something like this.
```
string selectedItems = "umb://document/217f4677b69140958c8951eb3d3638f9,umb://document/d44a409e4f14416fb862356dd38cc7ac,umb://document/52595f172a934995ab0935087a012c6b"
```
I used to generate the UDI manually by getting the node key(guid) and building up the string. Fortunately a recently found an easier way to generate this key.
```
IPublishedContent node;
string UDI = Udi.Create(Constants.UdiEntityType.Document, node.GetKey()).ToString();
```
Hope this helps someone.

Kind Regards

David
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Saif Obeidat 79 posts 296 karma points

Apr 16, 2019 @ 13:04

1

Do you have any idea if it has been changed in Umbraco 8 as well?

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Bjørn Nyborg 5 posts 73 karma points

Sep 07, 2020 @ 19:25
0
You can do it in a similar way in Umbraco 8, make sure that you use a real GuidUdi by creating it with a new GuidUdi()

In this case i have a string[] with the ID's of the nodes. I can save these to a multinode treepicker by doing this:
```
var selected = signUpData.Selected.Select(x => new GuidUdi("document", Umbraco.Content(x).Key).ToString()).ToArray();
content.SetValue("selected", string.Join(",", selected));
```
Another example could be something like:
```
string[] selected = new string[] { new GuidUdi("document", Umbraco.Content("1234").Key).ToString() };
content.SetValue("selected", string.Join(",", selected));
```
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Set.value in multi node tree picker