<appSettings>
<add key="DataBaseLoginTimeOut" value="30"/>
<add key="AccessPath" value="~/App_Data/Users.mdb"/>
</appSettings>
<connectionStrings>
<add name="AccessString" connectionString="Provider=Microsoft.Jet.Oledb.4.0;Data Source=" providerName="System.Data.Oledb" />
</connectionStrings>
类中:
con.ConnectionString = ConfigurationManager.ConnectionStrings["AccessString"].ConnectionString + HttpContext.Current.Server.MapPath(ConfigurationManager.AppSettings["AccessPath"]);