frmprintbookinfo.cs

数据库课程设计

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace UI
{
    public partial class frmPrintBookInfo : Form
    {
        private PrintBooksCrystalReport objPrintBooksCrystalReport;
        private SqlConnection objSqlConnection;
        private SqlDataAdapter objSqlDataAdapter;
        private DataSet objDataSet;
        public frmPrintBookInfo()
        {
            InitializeComponent();
        }

        private void frmPrintBookInfo_Load(object sender, EventArgs e)
        {
            try
            {
                //创建报表对象
                objPrintBooksCrystalReport = new PrintBooksCrystalReport();

                //与数据库进行连接
                objSqlConnection = new SqlConnection("server=.;database=libbook;uid=sa;password=;");
                objSqlDataAdapter = new SqlDataAdapter("select 书籍编号,书籍名称,作者,出版商ID,价格,总数量 from Books_view", objSqlConnection);
                objDataSet = new DataSet();

                //从数据库中取出数据放入数据集中
                objSqlDataAdapter.Fill(objDataSet, "Books");
                objPrintBooksCrystalReport.SetDataSource(objDataSet.Tables["Books"]);
              
                //将含有数据的报表对象绑定到水晶报表查看器
                crvBooksReportViewer.ReportSource = objPrintBooksCrystalReport;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                objSqlConnection.Close();
            }
        }
    }
}