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SPFieldMultiChoiceValue-Klasse

Enthält den Wert für ein SPFieldMultiChoice -Objekt.

Vererbungshierarchie

System.Object
  Microsoft.SharePoint.SPFieldMultiChoiceValue

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

Syntax

'Declaration
<SerializableAttribute> _
Public Class SPFieldMultiChoiceValue
'Usage
Dim instance As SPFieldMultiChoiceValue
[SerializableAttribute]
public class SPFieldMultiChoiceValue

Beispiele

Im folgende Beispiel ist eine Konsolenanwendung, die veranschaulicht, wie ein SPFieldMultiChoiceValue -Objekt und rufen Sie den Wert eines Auswahlfelds, die mehrere Werte zulässt.

using System;
using System.Collections.Specialized;
using Microsoft.SharePoint;

namespace ConsoleApp
{
    class Program
    {
        static string listTitle = "My Custom List";
        static string fieldTitle = "Gift Options";
        static string fieldInternalName = null;

        static void Main(string[] args)
        {
            using (SPSite site = new SPSite("https://localhost"))
            {
                using (SPWeb web = site.RootWeb)
                {
                    SPList list = web.Lists.TryGetList(listTitle);
                    if (list != null)
                    {
                        // Add a multichoice field to the list.
                        StringCollection choices = new StringCollection();
                        choices.Add("Gift wrap");
                        choices.Add("Gift card");
                        choices.Add("Include gift receipt");

                        fieldInternalName = list.Fields.Add(fieldTitle, SPFieldType.MultiChoice, false, false, choices);
                        list.Update();

                        // Get a reference to the field.
                        SPFieldMultiChoice choiceField = (SPFieldMultiChoice)list.Fields.GetField(fieldInternalName);

                        // Create a field value with all choices selected.
                        // (A CheckBoxChoiceField control would have all boxes checked.)
                        SPFieldMultiChoiceValue values = new SPFieldMultiChoiceValue();
                        foreach (string choice in choices)
                        {
                            values.Add(choice);
                        }

                        // Add an item to the list.
                        SPListItem item = list.Items.Add();
                        item[SPBuiltInFieldId.Title] = "Test item";
                        item[choiceField.Id] = values;
                        item.Update();

                        // Get the value of the field in the item.
                        string rawValue = item[choiceField.Id].ToString();
                        SPFieldMultiChoiceValue typedValue = new SPFieldMultiChoiceValue(rawValue);

                        // Print the value.
                        Console.WriteLine("The raw value is {0}", rawValue);
                        Console.WriteLine("The value delimiter is {0}", SPFieldMultiChoiceValue.Delimiter);
                        for (int i = 0; i < typedValue.Count; i++)
                        {
                            Console.WriteLine("The value at index {0} is {1}", i, typedValue[i]); 
                        }
                    }
                }
            }
            Console.WriteLine("\nPress ENTER to continue....");
            Console.Read();
        }
    }
}
Imports System
Imports System.Collections.Specialized
Imports Microsoft.SharePoint

Module ConsoleApp

    Dim listTitle As String = "My Custom List"
    Dim fieldTitle As String = "Gift Options"
    Dim fieldInternalName As String = Nothing

    Sub Main()

        Using site As New SPSite("https://localhost")
            Using web As SPWeb = site.RootWeb

                Dim list As SPList = web.Lists.TryGetList(listTitle)
                If list IsNot Nothing Then

                    ' Add a multichoice field to the list.
                    Dim choices As New StringCollection()
                    choices.Add("Gift wrap")
                    choices.Add("Gift card")
                    choices.Add("Include gift receipt")

                    fieldInternalName = list.Fields.Add(fieldTitle, SPFieldType.MultiChoice, False, False, choices)
                    list.Update()

                    ' Get a reference to the field.
                    Dim choiceField As SPFieldMultiChoice = DirectCast(list.Fields.GetField(fieldInternalName), SPFieldMultiChoice)

                    ' Create a field value with all choices selected.
                    ' (A CheckBoxChoiceField control would have all boxes checked.)
                    Dim values As New SPFieldMultiChoiceValue()
                    For Each choice As String In choices
                        values.Add(choice)
                    Next

                    ' Add an item to the list.
                    Dim item As SPListItem = list.Items.Add()
                    item(SPBuiltInFieldId.Title) = "Test item"
                    item(choiceField.Id) = values
                    item.Update()

                    ' Get the value of the field in the item.
                    Dim rawValue As String = item(choiceField.Id).ToString()
                    Dim typedValue As New SPFieldMultiChoiceValue(rawValue)

                    ' Print the value.
                    Console.WriteLine("The raw value is {0}", rawValue)
                    Console.WriteLine("The value delimiter is {0}", SPFieldMultiChoiceValue.Delimiter)
                    For i As Integer = 0 To typedValue.Count - 1
                        Console.WriteLine("The value at index {0} is {1}", i, typedValue(i))
                    Next
                End If

            End Using
        End Using
        Console.WriteLine(vbLf & "Press ENTER to continue....")
        Console.Read()
    End Sub

End Module

Threadsicherheit

Alle öffentlichen static (Shared in Visual Basic) Member dieses Typs sind threadsicher. Die Threadsicherheit von Instanzmembern ist nicht gewährleistet.

Siehe auch

Referenz

SPFieldMultiChoiceValue-Member

Microsoft.SharePoint-Namespace

Value

SPFieldMultiChoice