How to incorparate managed metadata functionality in a web part

Hello,
I'm writing a web part that manipulates a list's managed metadata field . I want to give to the users all the functionality that SharePoint gives, like realtime searching, the popup window to add a new term and so on.
I was thinking of (somehow) hooking the javascript code to my field, but I don't know how.
Is there another approach to do it?
Thank you
Christos

Hi Chris,
Are you looking for something like this
http://www.myspblog.com/2011/05/managed-metadata-web-part.html
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Hi TanPart,
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If you include member_set, Min returns the minimum value of the aggregated data for all members in the member set.
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Page 147
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This is what I am trying to do in Sharepoint 2013...
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VRA

Hi Vinay,
According to your description, my understanding is that you want to generate a URL which contains the tags of the page1.
I recommend to programmatically get the tags of the page1 in SharePoint first, please refer to the link below:
http://www.c-sharpcorner.com/uploadfile/anavijai/programmatically-get-all-the-social-tags-for-the-specified-url-in-sharepoint-2010/
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Then we can pass the parameter values of the tags to page2 using JavaScript.
http://javascriptproductivity.blogspot.com/2013/02/get-url-variables-with-javascript.html
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Hi All,
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Newbie Question:
Situation:
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b) Page 1: Includes simple hyperlink text Example - Home | About Us | Contact etc
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Hello,
You can also used the another appoch,
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I have created the custom webpart property to specified the url at the tine of edit the webpart
Here is the code
using System;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using Microsoft.SharePoint;
using Microsoft.SharePoint.WebControls;
using System.Collections;
using Microsoft.SharePoint.Publishing.WebControls;
using Microsoft.SharePoint.WebPartPages;
namespace MyNameSpace.MyPageViewer
[ToolboxItemAttribute(false)]
public class MyPageViewer : System.Web.UI.WebControls.WebParts.WebPart
private string _customUrl = "http://yourdefaulturl";//Specified default url
[WebBrowsable(true)
, Personalizable(true)
, Bindable(true)
, Browsable(false)
, DefaultValue("")
, Category("Custom Page Viewer Properties")
, WebPartStorage(Storage.Shared)
, FriendlyName("PageViewer URL")
, Description("PageViewer URL")]
public string CustomUrl
get { return _customUrl; }
set {if (string.IsNullOrEmpty(value) == false) { _customUrl = value; } }
#endregion
public MyPageViewer()
this.ChromeType = PartChromeType.None;
protected override void OnInit(EventArgs e)
EnsureChildControls();
base.OnInit(e);
protected override void CreateChildControls()
string pageViewerUrl = CustomUrl;
Microsoft.SharePoint.WebPartPages.PageViewerWebPart pageViewerWebPart = new Microsoft.SharePoint.WebPartPages.PageViewerWebPart();
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pageViewerWebPart.Width = "682";
this.Controls.Add(pageViewerWebPart);
protected override void OnLoad(EventArgs e)
base.OnLoad(e);
protected override void OnPreRender(EventArgs e)
base.OnPreRender(e);
Hope this will help you
Hiren Patel | Please click "Propose As Answer" if this post solves your problem or "Vote As Helpful" if this post has been useful to you.

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I have a custom web part with serveral business fields. This web part is installed on DispForm, EditForm an NewForm.
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Line: 5279
Character: 5
Code: 0
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Tarcísio Corte [email protected]

Hi,
1. You can create a simple demo web part without your custom code firstly, then insert it into your form pages to see if the similar issue would occur. If it works, then add your
other code into it one after one. By doing this, it will be easier to find out the root cause of this issue.
2. What browser do you use? Please try to use IE 10(SharePoint 2013), IE8(SharePoint2010).
3. You can also debug your code using IE F12 Developer Tools.
http://blogs.msdn.com/b/kaevans/archive/2011/04/25/debugging-javascript-with-the-ie-developer-tools.aspx
If the issue still exists, I can suggest you provide more information for further research.
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Dennis Guo
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Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact
[email protected]
Dennis Guo
TechNet Community Support

How to create a thread safe and concurrent web part

Hi,
I am creating a sharepoint web part.
The web part will store the information in the sharepoint list.
The web part is going to be used by 300 users all at the same time at the same moment.
Each 300 users trying to update list clicking button on my web part almost every 20 seconds.
I am worried will the sharepoint List be able to handle so many concurrent updates.
How should I design my webpart so that such issues do not arise and my webpart is also fast.
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Vinod

Hi,
Per my understanding, there might be a concern about the performance and concurrent operation in your Visual Web Part.
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item) from users sequentially one after one.
By doing this, in client side, the web part will only responsible for submitting user request with simple data, all the time consuming jobs will be split into small tasks and being
executed sequentially in server side.
Also, here are two links below about some useful tips in developing web part which would be helpful to you:
https://msdn.microsoft.com/en-us/library/dd583135%28v=office.11%29.aspx?f=255&MSPPError=-2147217396
http://apmblog.dynatrace.com/2010/03/18/how-to-avoid-the-top-5-sharepoint-performance-mistakes/
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How does the "Read TDMS" function work when reading part of a data file?

Hi everyone,
I have stored some rather large .lvm files that causing me a a big headache when trying to read/analyse the data.... As a work around I first convereted these files to .tdms.... Now the files are much smaller (50%) and can be load/plot within a couple of seconds rather than 10's of seconds.
Specifically, the files include 7 channels of data that were sampled at 2kHz for about 8-9 mins..... So, each file contains about 700,000 data points or elements.... I am using a producer/consumer architechure to read/plot all the data, then using cursors to identify a data subset, which is send via a queue to the consumer where analysis occurs.... Given the size of the files, when subset is quite large I get "Out of Memory" errors and LabVIEW crashes.
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With the "Read TDMS" function, the help states:
COUNT: Specifies the maximum number of data elements to read from the .tdms file for each channel. The default is –1.
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I am confused by the term "elements". Does this mean actual "data points" as in elements within the 2D array? Or bytes? I am hoping array elements... Would this then mean that given my 7 channels of data, each element value that is a multiple of 7 would index into a new line of data? I also assume this index is zero based... So with no offset, a count value of 0 would return all the data elements at time 0.0000s for all channels (regardless differences in the precision of each channel, unlike bytes), a value of 7 would return all the data elements at time 0.0005s, a value of 14 would return all the data elements at time 0.0010s, etc etc..
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You should have a different channel in the TDMS file. So you are reading X elements from a channel starting at element Y. Yes, those are elements in the array, not Bytes. NI did a good job of making the API easy to use.
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How to dispaly Excel Timeline slicer in Excel web part

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Hi Ravin,
please have a try to update to the latest of the cumulative updates, from the SP1 update.
http://blogs.technet.com/b/steve_chen/archive/2013/03/26/3561010.aspx
as i know from my colleague in sharepoint online team, it was a known issue and fixed in october. so perhaps you may consider to update to the october 2014 release.
meanwhile, perhaps you can try these steps for a workaround:
set the emulation document mode in Internet Explorer 11 to something other than "Edge (Default)".
To apply the workaround:
Open IE on the client experiencing the issue
Press F12 on the keyboard to bring up Developer Tools.
Click the emulation icon on the left side and choose anything but “Edge (Default)” for Document Mode
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Aries
Microsoft Online Community Support
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Get Managed Metadata (Taxonomy) ALL Lists with Columns and ALL Choice Lists with Columns VALUES programmatically

Hi there,
How to get Managed Metadata Lists ALL Columns and ALL Choice Lists Columns that are used in the Site Collection programmatically please.
Regards

Hi sharepointaju,
Managed Metadata list is a hidden list, that you can access it through
http://siteurl/Lists/TaxonomyHiddenList/AllItems.aspx, then it is similar to other lists, you can use server or client code to interate each field in the list, show the the value for each item.
For all choice list columns, I'm not clear what you mean in this situation, do you mean to get all choice columns in the site collection, if so, iterate site columns, and lists to get list fields, check whether it is a choice type field.
This may be not your requirement, please provide more information how you want to get which value.
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Update list item with managed metadata field returns The security validation for this page is invalid

Using SharePoint 2010 Server
I'm attempting to programtically update a managed metadata field in a document library. I'm able to do it without issue on all other non-managed metadata fields. When I attempt it on a MM field I get the error message
"The security validation for this page is invalid. Click Back in your Web browser, refresh the page, and try your operation again."
After some digging I realised that this error was being caused because SharePoint was trying to write to the TaxonomyHiddenList list (../sites/mysite/Lists/TaxonomyHiddenList/AllItems.aspx)
When I update a document through the browser with a term (Term01), it shows up in this TaxonomyHiddenList . I can then run my application, apply Term01 to my new document and it works fine. But if I apply Term02 to my new document it gives me the error above.
Summary
My app can read the TaxonomyHiddenList fine but it can not perform an operation that would write to it, resulting in not being able to update the MM field.
Question
Is there any advice on how I can further debug this issue?

Hi,
According to your post, my understanding is that you want to update managed metadata field in document library programmatically.
I have made a simple code demo below to updata managed metadata field in document library, it works like a charm, you can refer to it.
public static void UpdateMSField()
using (SPSite site = new SPSite("http://YourSiteURL"))
using (SPWeb web = site.OpenWeb())
//SPList list = web.Lists.TryGetList("Libs_1");
SPDocumentLibrary lib = (SPDocumentLibrary)web.Lists["Libs_1"];
// No point in proceeding if we can't find the list
if (lib != null)
// add a new item
// SPListItem item = list.AddItem();
SPListItem item = lib.GetItemById(1);
//Console.WriteLine(item.Name);
// get the current taxonomy session, which wraps up all of the
// associated TermStore objects for this SPSite object
TaxonomySession metadataService = new TaxonomySession(site);
// get the taxonomy field
TaxonomyField taxField = item.Fields["MMS_1"] as TaxonomyField;
// get the term store associated with the taxonomy field
TermStore termStore = metadataService.TermStores[taxField.SspId];
// get the actual term set associated with the taxonomy field
TermSet termSet = termStore.GetTermSet(taxField.TermSetId);
// search for the terms we wish to set the field to
var terms = termSet.GetTerms("term_1", true, StringMatchOption.ExactMatch, 1, false);
// if we have found a term populate the field
if (terms.Count > 0)
// set the field to the term(s) we have found
taxField.SetFieldValue(item, terms.First());
// Update the item
item.Update();
Console.WriteLine("success...");
More reference:
http://www.3guysonsharepoint.com/?p=1052
http://vineet-winit.blogspot.com/2013/04/how-to-update-managed-metadata-field-in.html
Thanks & Regards,
Jason
Jason Guo
TechNet Community Support

Import List Items with Managed Metadata Field from CSV File

Hello,
I try to import list items from a CSV File. Most of the fields are populating correctly except the Managed Metadata Field. I found multiple examples on how to set Managed Metadata Fields with Powersehll, but unfortunately I couldnt get it running.
The CSV File holds values for the Metadata Column, this value should be checked against the Metadata in the Termstore. If this Term is existent, then it should set the fields value, if it is not existant then it should add the term from the CSV File to the
Term Set in the Term Store. Can anybody give me a tip on how to do this? This is what I have, where Line 4 holds the Metadata:
$Siteurl = "http://siteUrl"
$Rootweb = New-Object Microsoft.Sharepoint.Spsite($Siteurl);
$Webapp = $Rootweb.Webapplication
$listName = "Catalogue"
$listWeb = Get-SPWeb $Siteurl
$list = $listWeb.Lists[$listName]
$pfad1 = "c:\temp\Servers.csv"
$content = import-csv -Delimiter ";" -Path $pfad1
foreach ($line in $content) {
$newItem = $list.Items.Add()
$newItem["Field 1"] = $line.1
$newItem["Field 2"] = $line.2
$newItem["Field 3"] = $line.3
$newItem["Field 4"] = $line.4
$newItem.Update()
write-host $line.Title imported
Thanks!!

Hi Jimmie,
From your description, when importing list from csv to SharePoint site, you would like to compare if Managed Metadata column exists in term store, and return yes value, if not, add it to term store.
That might need script to achieve. You need to import list at first, then get value from term store, and compare with the list. Change the list field per comparison result, then add new value to term store.
However, there might some workaround to meet your requirement. Not surly understand, so I find some references for you:
If you would like to export Term Set to CSV from SharePoint 2013, then you could compare it:
http://gallery.technet.microsoft.com/office/PowerShell-for-SharePoint-a838b5d0#content
If you would like to query SharePoint 2013 Managed metadata term store using JavaScript:
http://sharepoint.stackexchange.com/questions/60045/query-sp2013-managed-metadata-term-store
http://stackoverflow.com/questions/13858962/getting-all-the-term-stores-in-sharepoint-2010-web-services-or-client-side-obje
If you would like to synchronize, import or copy term store & managed metadata in SharePoint between environments:
http://www.matthewjbailey.com/synchronize-import-or-copy-term-stores-managed-metadata-in-sharepoint/
Regards,
Rebecca Tu
TechNet Community Support

How to incorparate managed metadata functionality in a web part

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