SPSite site = SPControl.GetContextSite(Context);
SPWeb web = site.AllWebs[0];
SPFolderCollection AddFold = web.Folders ;
SPFileCollection destFiles = web.GetFolder("Lists/ContractDocument").Files;
FileStream fs = File.OpenRead("c:/test.doc");
byte[] test = new byte[fs.Length];
fs.Read(test,0,int.Parse(fs.Length.ToString()));
string desURL=web.GetFolder("Lists/ContractDocument").Url+"/testdd.doc";
destFiles.Add(desURL,test);