Публикация сайта ASPX + SharePoint в Интернете

SPSite site = new SPSite("url sharepoint сайта");
SPWeb web = _site.OpenWeb();

Provides methods for working with lists and list data.

[DebuggerStepThroughAttribute] 
[DesignerCategoryAttribute("code")] 
[WebServiceBindingAttribute(Name="ListsSoap", Web Service="http://schemas.microsoft.com/sharepoint/soap/")] 
[GeneratedCodeAttribute("wsdl", "2.0.50727.42")] 
public class Lists : SoapHttpClientProtocol

 SPList Klient = null;

            using (SPSite site = new SPSite("http://...
            {
                using (SPWeb weblist = site.OpenWeb())
                {
                    Klient = weblist.Lists["Контакты"];
                }
            }