EntLib5.0 DAAB(Data Access Application Block),数据访问程序块
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2022-03-05 12:50:41
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企业库下载:(还有相关视频及帮助文档) http://entlib.codeplex.com/ Entlib5.0 要求.net framework3.5 sp1,或 .net framework 4.0 App.config: ?xml version="1.0" encoding="utf-8" ?configuration configdivs div name="dataConfiguration" type="Micro
企业库下载:(还有相关视频及帮助文档)
http://entlib.codeplex.com/
Entlib5.0 要求.net framework3.5 sp1,或 .net framework 4.0
App.config:
using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.Practices.EnterpriseLibrary.Data; using Microsoft.Practices.EnterpriseLibrary.Data.Sql; using System.Data.Common; using System.Data; namespace TestEntLib5_0InFramework3_5 { class Program { static void Main(string[] args) { Database db = DatabaseFactory.CreateDatabase(); //创建一个默认的数据库对象 //Database db = DatabaseFactory.CreateDatabase("DbConnString182"); //创建一个命名的数据库对象 //1.ExecuteNonQuery /* DbCommand dbCmd = db.GetSqlStringCommand( @"INSERT INTO T_EntLib (name,birthday,email) VALUES(N'吴1','2008-12-23','a@qq.com'); INSERT INTO T_EntLib (name,birthday,email) VALUES(N'吴2','2008-12-23','gga@qq.com'); INSERT INTO T_EntLib (name,birthday,email) VALUES(N'吴3','2008-12-23','a@qq.com'); INSERT INTO T_EntLib (name,birthday,email) VALUES(N'吴4','2008-12-23','a@qq.com'); INSERT INTO T_EntLib (name,birthday,email) VALUES(N'吴5','2008-12-23','a@qq.com');"); int iAffectedNum = db.ExecuteNonQuery(dbCmd); //返回影响的条数 Console.WriteLine(iAffectedNum); */ //2. ExecuteDataSet自动开启关闭Connection //var sql = "SELECT TOP 10 * FROM sys_draw ORDER BY id DESC"; /* var sql = "SELECT * FROM T_EntLib"; DbCommand cmd = db.GetSqlStringCommand(sql); // No need to open the connection; just make the call. // 执行时监视:cmd.Connection.State DataSet ds = db.ExecuteDataSet(cmd); //在此处发现:cmd.Connection.State Closed System.Data.ConnectionState //说明自动关闭连接 Console.WriteLine(ds.Tables[0].Rows.Count); int col = ds.Tables[0].Columns.Count; foreach (DataRow dr in ds.Tables[0].Rows) { for (int i = 0; i (sql); //使用默认的RowMapper IRowMapper rowMapper = MapBuilder.MapAllProperties() .MapByName(x => x.NAME) .DoNotMap(x => x.Email) .DoNotMap(x=>x.Birthday) .Build(); var result = db.ExecuteSqlStringAccessor (sql, rowMapper); //使用自定义的RowMapper foreach (var item in result) { Console.WriteLine("ID={0},Name:{1},Birthday:{2},Email:{3}", item.Id, item.NAME, item.Birthday, item.Email); } Console.ReadKey(); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace TestEntLib5_0InFramework3_5 { public class Info { public int Id { get; set; } public string NAME { get; set; } public string Email { get; set; } public DateTime Birthday { get; set; } } }
CREATE TABLE T_EntLib ( ID bigint IDENTITY, NAME nvarchar(50), Birthday datetime, Email varchar(50) )
http://files.cnblogs.com/wucg/TestEntLib5_0InFramework3_5.zip