读取注册表根据Office版本获取数据库连接字段

本节主要介绍了如何根据Office版本获取数据库连接字段，以读取注册表获取Office版本，实现代码如下，感兴趣的朋友不要错过

///
/// 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;
}

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