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Update List Column Choices in SharePoint using CSOM

The example in this topic show how to use CSOM to Update List Column Choices in SharePoint
  • Please follow the steps below to execute the code in Visual Studio using Console Application. You can customize the solution according to your requirements.
  • Check the article to Connect to SharePoint context using CSOM. This is very helpful if you are doing any programming in CSOM.
  • Don't forget to use the assemblies as mentioned in the code.

How to run CSOM code in SharePoint?

  • Open your Visual Studio.
  • From the template, select Console Application as shown in the screenshot
  • Select the .Net Framework version from the top drop-down as well. You can also change the .Net Framework after creating the solution.
  • Enter Project Name, Location and Solution Name and click on OK.
  • create console application using Visual Studio
  • Now your program.cs file will open. Copy the code in main function.
  • Once you are done with your code, just hit F5 or Run the application.

  • using Microsoft.SharePoint.Client;
  • using System.Linq;
  •  
  • using (ClientContext clientContext = new ClientContext("http://MyServer/sites/MySiteCollection"))
  • {
  • // clientcontext.Web.Lists.GetById - This option also can be used to get the list using List GUID
  • // This value is NOT List internal name
  • List targetList = clientcontext.Web.Lists.GetByTitle("List Name");
  •  
  • // Get field from list using internal name or display name
  • Field oField = targetList.Fields.GetByInternalNameOrTitle("Choice Field Name");
  •  
  • // Cast field to "FieldChoice"
  • FieldChoice oFieldChoice = clientcontext.CastTo<FieldChoice>(oField);
  •  
  • // Enter all the choices with separator ';'
  • string choices = "Choice 1;Choice 2;Choice 3";
  •  
  • oFieldChoice.Choices = choices.Split(";".ToCharArray());
  • oFieldChoice.Update();
  •  
  • clientcontext.ExecuteQuery();
  • }

Thank you for reading this article. This code was tested in SharePoint 2013

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