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SharePoint serendipity is the effect by which one accidentally discovers something fortunate, especially while looking for something else entirely. In this case, it is the occassional musings, observations, and Ouija board readings about the phabulously

Using the Client Object Model with a Forms Based Auth Site in SharePoint 2010

Using the Client Object Model with a Forms Based Auth Site in SharePoint 2010

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One of the questions I’ve seen a few times since my “mega-posting” on the client object model, is how to use it with a SharePoint site that is secured with forms based authentication.  There are actually a couple of ways you could do this.  The more complicated approach that I won’t describe in great detail here is to use the Authentication web service, similar to how I described for SharePoint 2007 in my Forms Based Authentication whitepaper part 2.  Fortunately though, the folks designing the client OM baked in a much simpler way to do this.  The ClientContext class includes an AuthenticationMode and FormsAuthenticationLoginInfo properties to help you manage this.

Here’s an example of using them to get a list of all the lists in the site.  Note this doesn’t follow the advice that I gave in one of the other client OM posts about specifying the properties you want returned, but I just wanted a quick and simple example to demonstrate:

ClientContext ctx = new ClientContext(someSiteUrl);
ctx.AuthenticationMode = ClientAuthenticationMode.FormsAuthentication;
ctx.FormsAuthenticationLoginInfo = new
                    FormsAuthenticationLoginInfo(myUserName, myUserPwd);

//get the web
Web w = ctx.Web;

//LOAD LISTS WITH ALL PROPERTIES
var lists = ctx.LoadQuery(w.Lists);

//execute the query
ctx.ExecuteQuery();

foreach (List theList in lists)
{
        //do something here

}

P.S. As a side note, are you all noticing how much the formatting in these posts STINKS since they upgraded the site?  How unpleasant…

Comments
  • would this work in SharePoint online as well.?

  • Awesome, Thank you so much...

  • Thank you, It works! :)

  • Very good. Thanks !

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