读取注册表根据Office版本获取数据库连接字段

/// <summary> 
/// 读取注册表,根据Office版本获取数据库连接字段 
/// </summary> 
/// <returns>数据库连接字段</returns> 
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; 
}
作者:whsnow

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