Update SharePoint List Item using CSOM

	public void AddChangeRequestFields(string strDocToRefer, string strUserFQN, string strMode)
	{
	SPSite siteCollection = null;
	SPWeb topLevelSite = null;
	string[] arrXRefDocs;
	string strNewXRef = String.Empty;
	siteCollection = new SPSite(System.Configuration.ConfigurationManager.AppSettings["SPDocumentLibrary"].ToString());
	topLevelSite = siteCollection.AllWebs[ConfigurationSettings.AppSettings["TopLevelSite"].ToString()];
	topLevelSite.AllowUnsafeUpdates = true;
	SPList list = topLevelSite.Lists["Approved Documents"];
	foreach (SPListItem item in list.Items)
	{
	if (strDocToRefer.Equals(Convert.ToString(item["Document Number"])))
	{
	if (strMode.Equals("Add"))
	{
	item["Initiate Change Request"] = "";
	item["CR Initiated By"] = strUserFQN;
	}
	else
	{
	item["Initiate Change Request"] = System.Configuration.ConfigurationManager.AppSettings["SPDocumentLibrary"].ToString() + "?ID=" + strDocToRefer.Trim() + "&Type=CR";
	item["CR Initiated By"] = strUserFQN;
	}
	item.Update();
	break;
	}
	}
	topLevelSite.AllowUnsafeUpdates = false;
	siteCollection.Dispose();
	topLevelSite.Dispose();
	}

view raw gistfile1.cs hosted with ❤ by GitHub