File list (Check if you may need any files):
WebChat
.......\SQLQuery1.sql
.......\web
.......\...\App_Code
.......\...\........\LoginWebService.cs
.......\...\App_Data
.......\...\Bin
.......\...\...\AjaxControlToolkit.dll
.......\...\...\AjaxControlToolkit.dll.refresh
.......\...\...\AjaxControlToolkit.pdb
.......\...\...\WebChatBLL.dll
.......\...\...\WebChatBLL.pdb
.......\...\...\WebChatDAL.dll
.......\...\...\WebChatDAL.pdb
.......\...\...\WebChatModel.dll
.......\...\...\WebChatModel.pdb
.......\...\Chat.aspx
.......\...\Chat.aspx.cs
.......\...\Global.asax
.......\...\image
.......\...\.....\index_02.jpg
.......\...\.....\index_04.jpg
.......\...\.....\leftmenubg.gif
.......\...\.....\login.jpg
.......\...\.....\Login1.jpg
.......\...\.....\quit.bmp
.......\...\.....\register.jpg
.......\...\.....\search.gif
.......\...\.....\toleft.gif
.......\...\.....\toright.gif
.......\...\Index.aspx
.......\...\Index.aspx.cs
.......\...\LoginWebService.asmx
.......\...\Register.aspx
.......\...\Register.aspx.cs
.......\...\Web.config
.......\WebChat.sln
.......\WebChatBLL
.......\..........\bin
.......\..........\...\Debug
.......\..........\...\.....\WebChatBLL.dll
.......\..........\...\.....\WebChatBLL.pdb
.......\..........\...\.....\WebChatDAL.dll
.......\..........\...\.....\WebChatDAL.pdb
.......\..........\...\.....\WebChatModel.dll
.......\..........\...\.....\WebChatModel.pdb
.......\..........\ChatInfoBLL.cs
.......\..........\FriendsTypeInfoBLL.cs
.......\..........\obj
.......\..........\...\Debug
.......\..........\...\.....\Refactor
.......\..........\...\.....\........\WebChatBLL.dll
.......\..........\...\.....\ResolveAssemblyReference.cache
.......\..........\...\.....\TempPE
.......\..........\...\.....\WebChatBLL.dll
.......\..........\...\.....\WebChatBLL.pdb
.......\..........\...\WebChatBLL.csproj.FileList.txt
.......\..........\Properties
.......\..........\..........\AssemblyInfo.cs
.......\..........\UserBLL.cs
.......\..........\UserFriendsBLL.cs
.......\..........\WebChatBLL.csproj
.......\WebChatDAL
.......\..........\bin
.......\..........\...\Debug
.......\..........\...\.....\WebChatDAL.dll
.......\..........\...\.....\WebChatDAL.pdb
.......\..........\...\.....\WebChatModel.dll
.......\..........\...\.....\WebChatModel.pdb
.......\..........\ChatInfoDAL.cs
.......\..........\FriendsTypeInfoDAL.cs
.......\..........\obj
.......\..........\...\Debug
.......\..........\...\.....\Refactor
.......\..........\...\.....\........\WebChatDAL.dll
.......\..........\...\.....\ResolveAssemblyReference.cache
.......\..........\...\.....\TempPE
.......\..........\...\.....\WebChatDAL.dll
.......\..........\...\.....\WebChatDAL.pdb
.......\..........\...\WebChatDAL.csproj.FileList.txt
.......\..........\Properties
.......\..........\..........\AssemblyInfo.cs
.......\..........\SQLHelper.cs
.......\..........\UserDAL.cs
.......\..........\UserFriendsDAL.cs
.......\..........\WebChatDAL.csproj
.......\WebChatModel
.......\............\bin
.......\............\...\Debug
.......\............\...\.....\WebChatModel.dll
.......\............\...\.....\WebChatModel.pdb
.......\............\ChatInfo.cs
.......\............\FriendsTypeInfo.cs
.......\............\obj
.......\............\...\Debug