private bool RegODBC(string DsnName,string ServerName)
        {
            try
            {
                //在HKEY_LOCAL_MACHINE/Software/ODBC/ODBC.INI中创建一个子键和相应的值
                Microsoft.Win32.RegistryKey  regkey=Microsoft.Win32.Registry.LocalMachine.OpenSubKey("software").OpenSubKey("ODBC").OpenSubKey("ODBC.INI",true).CreateSubKey(DsnName.Trim());
                regkey.SetValue("DataBase",DsnName.Trim());
                string strSystem32=Application.LocalUserAppDataPath.Substring(0,2);
                strSystem32=strSystem32+@"/WINDOWS/System32/SQLSRV32.dll";
                regkey.SetValue("Driver",strSystem32);
                regkey.SetValue("Server",ServerName.Trim());
                regkey.SetValue("Trusted_Connection","Yes");
                //在HKEY_LOCAL_MACHINE/Software/ODBC/ODBC.INI/ODBC Data Sources中增加一个字符串键值
                regkey=Microsoft.Win32.Registry.LocalMachine.OpenSubKey("software").OpenSubKey("ODBC").OpenSubKey("ODBC.INI",true).OpenSubKey("ODBC Data Sources",true);
                regkey.SetValue(DsnName.Trim(),"SQL Server");
                return true;
            }
            catch(Exception Err)
            {
            }
            return false;
        }

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