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单身老男人 發表於 2014-7-24 16:05:14

读取注册表根据Office版本获取数据库连接字段

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/// &lt;summary&gt;
/// 读取注册表，根据Office版本获取数据库连接字段
/// &lt;/summary&gt;
/// &lt;returns&gt;数据库连接字段&lt;/returns&gt;
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;
}</pre>
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