CREATE   TABLE   [ dbo ] . [ test ]  (
  [ id ]   [ decimal ] ( 18 ,  0 )  IDENTITY  ( 1 ,  1 )  NOT   NULL  ,
  [ name ]   [ varchar ]  ( 50 ) COLLATE Chinese_PRC_CI_AS  NULL  ,
  [ card ]   [ varchar ]  ( 50 ) COLLATE Chinese_PRC_CI_AS  NULL  ,
  [ createdate ]   [ datetime ]   NULL  
)  ON   [ PRIMARY ]
GO

ALTER   TABLE   [ dbo ] . [ test ]   ADD  
  CONSTRAINT   [ PK_test_1 ]   PRIMARY   KEY    CLUSTERED  
 (
   [ id ]
 )   ON   [ PRIMARY ]  
GO

using  System;
using  System.Drawing;
using  System.Collections;
using  System.ComponentModel;
using  System.Windows.Forms;
using  System.Data;
using  System.Data.SqlClient;

namespace  WinApp
{
    /**//// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    {
        private CrystalDecisions.Windows.Forms.CrystalReportViewer crystalReportViewer1;
        private System.Windows.Forms.Button button1;
        /**//// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Form1()
        {
            //
            // Windows 窗体设计器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
            //
        }

        /**//// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        Windows 窗体设计器生成的代码#region Windows 窗体设计器生成的代码
        /**//// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.crystalReportViewer1 = new CrystalDecisions.Windows.Forms.CrystalReportViewer();
            this.button1 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // crystalReportViewer1
            // 
            this.crystalReportViewer1.ActiveViewIndex = -1;
            this.crystalReportViewer1.DisplayGroupTree = false;
            this.crystalReportViewer1.Location = new System.Drawing.Point(0, 40);
            this.crystalReportViewer1.Name = "crystalReportViewer1";
            this.crystalReportViewer1.ReportSource = null;
            this.crystalReportViewer1.Size = new System.Drawing.Size(736, 504);
            this.crystalReportViewer1.TabIndex = 0;
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(280, 8);
            this.button1.Name = "button1";
            this.button1.TabIndex = 1;
            this.button1.Text = "生成报表";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(736, 541);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.crystalReportViewer1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.ResumeLayout(false);

        }
        #endregion

        /**//// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new Form1());
        }

        private void button1_Click(object sender, System.EventArgs e)
        {
            CrystalReportTest cr1 = new CrystalReportTest();
        
            cr1.SetDataSource(GetDs());

            this.crystalReportViewer1.ReportSource=cr1;
        }

        //该函数返回DataSetTest数据集中表的数据格式的数据集合
        public DataSetTest.testDataTable GetDs()
        {
            //创建DataSetTest数据集中的表的对象
            DataSetTest.testDataTable ds = new WinApp.DataSetTest.testDataTable();    
            
            string strSql = "select * from test";
            string strConnString = "server=.;database=test;user id=sa;pwd=sa;";

            SqlConnection conn = new SqlConnection(strConnString);
            conn.Open();
            SqlDataAdapter da = new SqlDataAdapter(strSql,conn);

            da.Fill(ds);    //填充数据集
            conn.Close();
            return ds;
        }
    }
}