DataSet:数据集

相当于数据库，是一个datatable的集合，用来创建报表的数据源模板

ReportViewer:

报表预览

Report:rdlc

报表文件

打印报表操作步骤：

1.创建dataset数据集

2.创建rdlc文件

3.创建reportviewer视图，指定具体的rdlc报表

4.给报表真实数据:就是给dataset1数据集中的datatable对象里进行赋值填充数据

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace WindowsFormsApplication14{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        private void Form1_Load(object sender, EventArgs e)        {            DataRow dr1 = DataSet1.Student.NewRow();            dr1["code"] = "101";            dr1["name"] = "zhangsan";            dr1["sex"] = "男";            dr1["nation"] = "汉族";            dr1["old"] = 12;            DataSet1.Student.Rows.Add(dr1);            DataRow dr2 = DataSet1.Student.NewRow();            dr2["code"] = "102";            dr2["name"] = "李四";            dr2["sex"] = "女";            dr2["nation"] = "苗族";            dr2["old"] = 23;            DataSet1.Student.Rows.Add(dr2);            this.reportViewer1.RefreshReport();        }    }}