微软企业库5.0

微软企业库需下载安装

1.添加引用

Microsoft.Practices.EnterpriseLibrary.Data;
 Microsoft.Practices.EnterpriseLibrary.Common;

2.命名空间引用

using System.Data.Common;
using Microsoft.Practices.EnterpriseLibrary.Data;

3.配置 web.config文件

 <add name="yoyo" connectionString="server=.;uid=sa;pwd=j;database=yoyo_jx" providerName="System.Data.SqlClient" />

4.写代码

  Database db=DatabaseFactory.CreateDatabase("yoyo");

            using (DbConnection con = db.CreateConnection())
            {
                DataSet ds = new DataSet();
                string sql = string.Format("select top {0} * from  youeryuan",10);
                ds = db.ExecuteDataSet(CommandType.Text,sql);

                foreach (DataRow dr in ds.Tables[0].Rows)
                {
                    Response.Write(dr["name"].ToString());
                }
           
           
            }