how to save a value to a mntp programmatically

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Paul de Quant 403 posts 1520 karma points

Nov 16, 2017 @ 07:49

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How to save a value to a MNTP programmatically

Using Umbraco And Getting Started

Umbraco 7

Hello,

Could someone tell me how I should save a value to a Multi Node Tree Picker. I've tried saving a page Id however this is not reflected in the backoffice. Does it need to be saved in a particular format.

Examples welcome.

Many thanks

Paul

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Ben Palmer 176 posts 842 karma points c-trib

Nov 16, 2017 @ 08:04

0

Hi Paul,

I haven't done this but at a guess, maybe you need to pass in an IPublishedContent?

Otherwise, it'd be good to see your code so far and we can go from there.

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Paul de Quant 403 posts 1520 karma points

Nov 16, 2017 @ 08:07

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Hi Ben,

Thanks for the reply, would that be a List

Thanks

Paul

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Matt Darby 28 posts 391 karma points c-trib

Nov 16, 2017 @ 08:07

0

Hey Paul I ran into a similar problem.

See this thread and the helper method by Dan:

https://our.umbraco.org/forum/extending-umbraco-and-using-the-api/85761-setting-the-value-of-multinodetreepicker2-programatically#comment-273131

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Paul de Quant 403 posts 1520 karma points

Nov 16, 2017 @ 13:22

Hi Matt,

Thanks for the link, I've tried to no avail to use that code.

I have managed to get it working, see code below:-

                    if (memberExists)
                {
                    IMember currentUser = ms.GetByUsername(userName);

                    if (currentUser != null)
                    {
                        var findPage = cs.GetById(pageId);

                        var loadUdi = Udi.Create(Constants.UdiEntityType.Document, findPage.Key);

                        List<string> splitPages = new List<string>();

                        if (currentUser.GetValue("favouritePages") != null)
                        {
                            splitPages = currentUser.GetValue("favouritePages").ToString().Split(',').ToList();

                            bool checkIfExists = splitPages.Any(page => page == loadUdi.ToString());

                            if (!checkIfExists)
                            {
                                splitPages.Add(loadUdi.ToString());

                                currentUser.SetValue("favouritePages", string.Join(",", splitPages));
                            }

                        }
                        else
                        {
                            splitPages.Add(loadUdi.ToString());

                            currentUser.SetValue("favouritePages", string.Join(",", splitPages));
                        }

                        ms.Save(currentUser);

                    }

                }

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