I'm trying to pass credentials against a SharePoint site (It uses Windows Authentication). This is the code I'm using to do so,

SPServices.Lists sourceListService = new SPServices.Lists();
        System.Net.NetworkCredential networkCredentials = new System.Net.NetworkCredential("username", "password");
        sourceListService.Credentials = networkCredentials;

I would like to know how I can receive a response from this so that I can then use an If statement to check if the Username and Password entered in the Windows Form was accepted by the SharePoint site.

For example,

if (SPresponse = allowed)
            Do something 

1 Answer 1


I would send a POST to ../_api/contextinfo

If the credentials are valid, then the call will return a FormDigest, which you would likely need anyway.

  • Can you provide an example?
    – Prosperity
    Aug 22, 2014 at 20:33

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