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01 /// <summary>

02 /// 读取注册表，根据Office版本获取数据库连接字段

03 /// </summary>

04 /// <returns>数据库连接字段</returns>

05 private string GetConnectionString()

06 {

07 string strConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source = ";

08

09 RegistryKey rk = Registry.LocalMachine;

10 //查询Office2003

11 RegistryKey f03 = rk.OpenSubKey(@"SOFTWARE\Microsoft\Office\11.0\Access\InstallRoot\");

12 //查询Office2007

13 RegistryKey f07 = rk.OpenSubKey(@"SOFTWARE\Microsoft\Office\12.0\Access\InstallRoot\");

14 //查询Office2010

15 RegistryKey f10 = rk.OpenSubKey(@"SOFTWARE\Microsoft\Office\14.0\Access\InstallRoot\");

16

17 if (f03 != null)

18 {

19 strConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source = ";

20 }

21 else if (f07 != null || f10 != null)

22 {

23 strConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source = ";

24 }

25

26 return strConnectionString;

27 }

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