When you create a new team site on SharePoint 2013 and SharePoint Online, you are presented with a default "welcome" webpart:
In order to remove this webpart, you may use the client context with the following code:
Using SharePoint Dll:
var web = clientContext.Web;
clientContext.Load(web);
var web = clientContext.Web;
var file = web.GetFileByServerRelativeUrl(web.ServerRelativeUrl + "/SitePages/Home.aspx");
var wpm = file.GetLimitedWebPartManager(PersonalizationScope.Shared);
web.Context.Load(wpm.WebParts, wps => wps.Include(wp => wp.WebPart.Title));
web.Context.ExecuteQueryRetry();
for(var i=0;i<wpm.WebParts.Count;i++)
if (wpm.WebParts[i].WebPart.Title.Equals("Get started with your site"))
wpm.WebParts[i].DeleteWebPart();
web.Context.ExecuteQueryRetry();
var web = clientContext.Web;
clientContext.Load(web);
web.Context.ExecuteQuery();
web.DeleteWebPart(web.ServerRelativeUrl + "/SitePages/Home.aspx", "Get started with your site");
web.Context.ExecuteQuery();
In order to change the default homepage of a team site, here is the code:
var web = clientContext.Web;
var rootFolder = web.RootFolder;
clientContext.Load(web);
clientContext.Load(rootFolder);
rootFolder.WelcomePage = "/SitePages/MyHomePage.aspx";
rootFolder.Update();
clientContext.ExecuteQuery();