vs2003 配置数据库连接web.config DB类

if (conn == null || conn.State == ConnectionState.Closed)
   {
    try
    {
     strConnection =  System.Configuration.ConfigurationSettings.AppSettings["AccConnString"] + System.Web.HttpContext.Current.Server.MapPath(System.Configuration.ConfigurationSettings.AppSettings["dbPath"]); 
     conn = new OleDbConnection(strConnection);
     conn.Open();
    }
    catch (Exception e)
    {
     return;
    }
   }

 

然后

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
 <appSettings>
  <add key="AccConnString" value="provider=microsoft.jet.oledb.4.0;data source="/>
  <add key="dbPath" value="~/App_Data/Master.mdb"/>
 </appSettings>
  <system.web>

 

 

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原文地址:https://www.cnblogs.com/binlunia/p/11267779.html