SPFieldLookup.LookupWebId - Propriété

Obtient ou définit l'ID du site Web qui contient la liste qui est la source de la valeur de ce champ.

Espace de noms :  Microsoft.SharePoint
Assembly :  Microsoft.SharePoint (dans Microsoft.SharePoint.dll)

Syntaxe

'Déclaration
Public Property LookupWebId As Guid
    Get
    Set
'Utilisation
Dim instance As SPFieldLookup
Dim value As Guid

value = instance.LookupWebId

instance.LookupWebId = value

public Guid LookupWebId { get; set; }

Valeur de propriété

Type : System.Guid
La valeur de la propriété ID pour le site Web.

Exceptions

Remarques

Vous devez avoir SPBasePermissions.autorisations de Open de définir cette propriété.

Exemples

L'exemple suivant est une application console qui interroge la collection d'une liste de champs pour les champs liste de choix. Pour chaque champ de recherche est trouvé, l'application affiche le nom du champ, le titre de la liste que les points de champ liste de choix à, le champ de la cible qui est la source de la valeur du champ liste de choix et le nom du site Web où se trouve la liste source.

using System;
using Microsoft.SharePoint;

namespace ConsoleApp
{
    class Program
    {
        static void Main(string[] args)
        {
            using (SPSite siteCollection = new SPSite("https://localhost"))
            {
                using (SPWeb site = siteCollection.OpenWeb())
                {
                    SPList list = site.Lists["Completed Orders"];

                    foreach (SPField item in list.Fields)
                    {
                        if (item is SPFieldLookup)
                        {
                            SPFieldLookup field = (SPFieldLookup)item;

                            if (!String.IsNullOrEmpty(field.LookupList) && !String.IsNullOrEmpty(field.LookupField))
                            {
                                // Is this the primary or secondary field for a list relationship?
                                string strRelationship = field.IsRelationship ? "Primary":"Secondary";

                                // Print the display name of the field.
                                Console.WriteLine("\nField: {0} ({1} Field)", field.Title, strRelationship);

                                // Is this a secondary field in a list relationship?
                                if (field.IsDependentLookup)
                                {
                                    SPField primaryField = list.Fields[new Guid(field.PrimaryFieldId)];
                                    Console.WriteLine("Primary Field: {0}", primaryField.Title);
                                }

                                // Get the site where the target list is located.
                                using (SPWeb targetSite = siteCollection.AllWebs[field.LookupWebId])
                                {
                                    // Get the name of the list where this field gets information.
                                    SPList targetList = targetSite.Lists[new Guid(field.LookupList)];
                                    Console.WriteLine("Related list: {0}", targetList.Title);

                                    // Get the name of the field where this field gets information.
                                    SPField targetField = targetList.Fields.GetFieldByInternalName(field.LookupField);
                                    Console.WriteLine("Related field: {0}", targetField.Title);
                                }
                            }
                        }
                    }
                }
            }
            Console.Write("\nPress ENTER to continue...");
            Console.ReadLine();
        }
    }
}

Imports System
Imports Microsoft.SharePoint

Module ConsoleApp

    Sub Main()
        Using siteCollection As New SPSite("https://localhost")
            Using site As SPWeb = siteCollection.OpenWeb()
                Dim list As SPList = site.Lists("Pending Orders")

                For Each item As SPField In list.Fields
                    If TypeOf item Is SPFieldLookup Then
                        Dim field As SPFieldLookup = DirectCast(item, SPFieldLookup)

                        If Not String.IsNullOrEmpty(field.LookupList) AndAlso Not String.IsNullOrEmpty(field.LookupField) Then
                            ' Is this the primary or secondary field for a list relationship?
                            Dim strRelationship As String = If(field.IsRelationship, "Primary", "Secondary")

                            ' Print the display name of the field.
                            Console.WriteLine(vbLf & "Field: {0} ({1} Field)", field.Title, strRelationship)

                            ' Is this a secondary field in a list relationship?
                            If field.IsDependentLookup Then
                                Dim primaryField As SPField = list.Fields(New Guid(field.PrimaryFieldId))
                                Console.WriteLine("Primary Field: {0}", primaryField.Title)
                            End If

                            ' Get the site where the target list is located.
                            Using targetSite As SPWeb = siteCollection.AllWebs(field.LookupWebId)
                                ' Get the name of the list where this field gets information.
                                Dim targetList As SPList = targetSite.Lists(New Guid(field.LookupList))
                                Console.WriteLine("Related list: {0}", targetList.Title)

                                ' Get the name of the field where this field gets information.
                                Dim targetField As SPField = targetList.Fields.GetFieldByInternalName(field.LookupField)
                                Console.WriteLine("Related field: {0}", targetField.Title)
                            End Using
                        End If
                    End If
                Next
            End Using
        End Using
        Console.Write(vbLf & "Press ENTER to continue...")
        Console.ReadLine()
    End Sub
End Module

Voir aussi

Référence

SPFieldLookup classe

SPFieldLookup - Membres

Microsoft.SharePoint - Espace de noms

LookupList

LookupField