List.GetRelatedFields method

Returns a collection of lookup fields that use this list as a data source and that have FieldLookup.IsRelationship set to true.

Namespace:  Microsoft.SharePoint.Client
Assembly:  Microsoft.SharePoint.Client (in Microsoft.SharePoint.Client.dll)

public RelatedFieldCollection GetRelatedFields()

Return value

Type: Microsoft.SharePoint.Client.RelatedFieldCollection
Returns a RelatedFieldCollection instance representing the collection of lookup fields that use this list as a data source and that have FieldLookup.IsRelationship set to true.

ExceptionCondition
[System.UnauthorizedAccessException]

The current user has insufficient permissions. Error code: -2147024891.

This code example displays the identifier of any fields related to the current site’s Tasks list.

using System;
using Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointFoundation.Samples
{
    class List_getRelatedFieldsExample
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            Web site = clientContext.Web;
            List targetList = site.Lists.GetByTitle("Tasks");
            RelatedFieldCollection collRelatedField = targetList.GetRelatedFields();

            clientContext.Load(collRelatedField);
            clientContext.ExecuteQuery();

            foreach (RelatedField targetField in collRelatedField)
               Console.WriteLine("Related Field ID: {0}", targetField.FieldId);
            }
        }
    }
}


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