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