default.aspx.cs

其中包含水晶报表的制作实例

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

using System.Data.SqlClient;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;

public partial class _Default : System.Web.UI.Page 
{
    private string connectString = "server = (local);user id = sa; password = sa; database = Northwind";
    protected void Page_Load(object sender, EventArgs e)
    {
        string strOrders = "select top 20 * from Orders order by OrderID";
        string strOrdersDetail = "select top 500 * from [Order Details] order by OrderID";
        SqlConnection sqlCon = new SqlConnection(connectString);
        SqlDataAdapter sqlAdapterOrders = new SqlDataAdapter(strOrders, sqlCon);
        SqlDataAdapter sqlAdapterOrdersDetail = new SqlDataAdapter(strOrdersDetail, sqlCon);
        DataSet1 ds = new DataSet1();
        sqlAdapterOrders.Fill(ds, "Orders");
        sqlAdapterOrdersDetail.Fill(ds, "Order Details");
        CrystalReportSource.ReportDocument.Load(Server.MapPath("CrystalReport.rpt"));
        CrystalReportSource.ReportDocument.SetDataSource(ds);
        CrystalReportSource.DataBind();
        myCRV.ReportSource = CrystalReportSource;
        myCRV.DataBind();
        /*
          CrystalReportSource.ReportDocument.Load(Server.MapPath("CrystalReport.rpt"));
        //注意此处必需指明Dataset中的表的名称，否则会提示“您请求的报表需要更多信息.”
        CrystalReportSource.ReportDocument.SetDataSource(ds.Tables["Equipment"]);
        //{?}中的参数可以不用赋值，即使赋了值也不起作用。
        // CrystalReportSource1.ReportDocument.ParameterFields["Parm"].CurrentValues.AddValue("1234567");
        //CrystalReportSource.ReportDocument.ParameterFields["Title"].CurrentValues.AddValue("这时推模式的报表样例！");
        CrystalReportSource.DataBind();

        CrystalReportViewer1.ReportSource = CrystalReportSource;
        CrystalReportViewer1.DataBind();
         */
    }
}