读取注册表根据Office版本获取数据库连接字段_Access_

 /// 
 /// 读取注册表，根据Office版本获取数据库连接字段 /// 
 /// 数据库连接字段 private string GetConnectionString() { string strConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source = "; RegistryKey rk = Registry.LocalMachine; //查询Office2003 RegistryKey f03 = rk.OpenSubKey(@"SOFTWARE\Microsoft\Office\11.0\Access\InstallRoot\"); //查询Office2007 RegistryKey f07 = rk.OpenSubKey(@"SOFTWARE\Microsoft\Office\12.0\Access\InstallRoot\"); //查询Office2010 RegistryKey f10 = rk.OpenSubKey(@"SOFTWARE\Microsoft\Office\14.0\Access\InstallRoot\"); if (f03 != null) { strConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source = "; } else if (f07 != null || f10 != null) { strConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source = "; } return strConnectionString; }