C# 连接各种数据库总结。

1、连接Access

代码 1 public static SqlConnection getConn()
2 {
3 string strConn = "Data Source=JFD\\SQLEXPRESS;database=mydayta;uid=sa;pwd=123456;";
4 try
5 {
6 SqlConnection Conn = new SqlConnection(strConn);
7 if (Conn.State != ConnectionState.Open)
8 {
9 Conn.Open();
}
return Conn;
}
catch
{
return null;
}
}