Hata oluştu : Hata Kodu : 20 - hata : A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: TCP Provider, error: 0 - The wait operation timed out.)<br> Source : <br>    at Veritabani.tabloOku(String strSQL) in c:\inetpub\vhosts\katsan.com.tr\httpdocs\App_Code\Veritabani.cs:line 51
   at KategoriGenelList.KategorileriListele(Int32 CacheDakika, Int32 ParentID) in c:\inetpub\vhosts\katsan.com.tr\httpdocs\App_Code\GetData\KategoriGenelList.cs:line 31 <br>