專案架構如下，專案下產生兩個報表(父報表與子報表)。
新增TypedDataSet(Ex:dsReport.xsd)，範例定義如下。
在myReport.rdlc報表中，設定資料集屬性。
在myReport.rdlc報表中，新增子報表。
在myReport.rdlc報表中，設定[子報表屬性]。
設定要傳給子報表的參數。
在mySubReport.rdlc報表中，設定資料集屬性。
在mySubReport.rdlc報表中，設定參數，參數名稱要和[子報表參數]設定一致(EX:OrderID)。
程式部分：
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| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head runat="server"> | |
| <title></title> | |
| </head> | |
| <body> | |
| <form id="form1" runat="server"> | |
| <div> | |
| <asp:ScriptManager ID="ScriptManager1" runat="server"> | |
| </asp:ScriptManager> | |
| </div> | |
| <asp:Button ID="btnShowReport" runat="server" Text="顯示報表" onclick="btnShowReport_Click"/> | |
| <rsweb:ReportViewer ID="ReportViewer1" Width="100%" | |
| runat="server"> | |
| </rsweb:ReportViewer> | |
| </form> | |
| </body> | |
| </html> |
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| using System; | |
| using System.Collections.Generic; | |
| using System.Linq; | |
| using System.Web; | |
| using System.Web.UI; | |
| using System.Web.UI.WebControls; | |
| using System.Data; | |
| using Microsoft.Reporting.WebForms; | |
| namespace TestSubReport | |
| { | |
| public partial class ShowReport : System.Web.UI.Page | |
| { | |
| protected void Page_Load(object sender, EventArgs e) | |
| { | |
| if (this.IsPostBack) | |
| return; | |
| } | |
| private void ShowReportData() | |
| { | |
| ReportViewer1.Visible = true; | |
| //子報表繫結的事件 | |
| ReportViewer1.LocalReport.SubreportProcessing += new SubreportProcessingEventHandler(LocalReport_SubreportProcessing); | |
| ReportViewer1.LocalReport.DataSources.Clear(); | |
| ReportViewer1.ProcessingMode = ProcessingMode.Local; | |
| ReportViewer1.LocalReport.ReportPath = HttpContext.Current.Server.MapPath(string.Format("~\\bin\\{0}", "myReport.rdlc")); | |
| DataTable tbl = this.GetMasterData(); | |
| ReportViewer1.LocalReport.DataSources.Add(new ReportDataSource("myOrders", tbl)); | |
| ReportViewer1.LocalReport.Refresh(); | |
| } | |
| /// <summary> | |
| /// 繫結子報表 | |
| /// </summary> | |
| /// <param name="sender"></param> | |
| /// <param name="e"></param> | |
| void LocalReport_SubreportProcessing(object sender, SubreportProcessingEventArgs e) | |
| { | |
| //取得參數 | |
| string orderid = e.Parameters["OrderID"].Values[0]; | |
| //取得明細資料 | |
| DataTable tbl = this.GetDetailData(orderid); | |
| //繫結子報表 | |
| e.DataSources.Add(new Microsoft.Reporting.WebForms.ReportDataSource("myOrdersDetail", tbl)); | |
| } | |
| /// <summary> | |
| /// 點擊[顯示報表] | |
| /// </summary> | |
| /// <param name="sender"></param> | |
| /// <param name="e"></param> | |
| protected void btnShowReport_Click(object sender, EventArgs e) | |
| { | |
| this.ShowReportData(); | |
| } | |
| /// <summary> | |
| /// 取得單頭資料 | |
| /// </summary> | |
| /// <returns></returns> | |
| private DataTable GetMasterData() | |
| { | |
| DataTable tbl = new DataTable(); | |
| DataColumn col = new DataColumn("OrderID"); | |
| tbl.Columns.Add(col); | |
| DataRow row = tbl.NewRow(); | |
| row["OrderID"] = "A001"; | |
| DataRow row2 = tbl.NewRow(); | |
| row2["OrderID"] = "A002"; | |
| tbl.Rows.Add(row); | |
| tbl.Rows.Add(row2); | |
| return tbl; | |
| } | |
| /// <summary> | |
| /// 取得明細資料 | |
| /// </summary> | |
| /// <param name="OrderID"></param> | |
| /// <returns></returns> | |
| private DataTable GetDetailData(string OrderID) | |
| { | |
| DataTable dtDetail = new DataTable(); | |
| DataColumn col = new DataColumn("OrderID"); | |
| DataColumn col2 = new DataColumn("Item"); | |
| dtDetail.Columns.Add(col); | |
| dtDetail.Columns.Add(col2); | |
| DataRow row = dtDetail.NewRow(); | |
| row["OrderID"] = "A001"; | |
| row["Item"] = "A001-1"; | |
| DataRow row2 = dtDetail.NewRow(); | |
| row2["OrderID"] = "A002"; | |
| row2["Item"] = "A002-2"; | |
| dtDetail.Rows.Add(row); | |
| dtDetail.Rows.Add(row2); | |
| var query = from data in dtDetail.AsEnumerable() | |
| where data.Field<String>("OrderID") == OrderID | |
| select data; | |
| DataTable tbl = query.CopyToDataTable<DataRow>(); | |
| return tbl; | |
| } | |
| } | |
| } |
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