ConnClass连接类

using System; using System.Collections.Generic; using System.Text; using System.Data; using System.Data.OleDb; using System.Windows.Forms; namespace SMS.BaseClass { class ConnClass { public static OleDbConnection DataConn() { string strg = Application.StartupPath.ToString(); strg = strg.Substring(0, strg.LastIndexOf("//")); strg = strg.Substring(0, strg.LastIndexOf("//")); strg += @"/DataBase"; strg += @"/db_SMS.mdb"; return new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + strg); } } }