C# winform 动态构建fastreport报表

 private void DoPrint()
        {
            DataView dv = (DataView)dgv_apply_details.DataSource;
            Report report = new Report();
            //给report注册数据源
            report.RegisterData(dv, "Purchasment");
            //设置能在报表中使用
            report.GetDataSource("Purchasment").Enabled = true;
            ReportPage page1 = new ReportPage();
            page1.Name = "Page1";
            page1.SetDefaults();

            //设置标题
            page1.ReportTitle = new ReportTitleBand();
            page1.ReportTitle.Name = "ReportTitle1";
            page1.ReportTitle.Height = 0;//Units.Centimeters * 0.1f;
            //给标题赋值
            TextObject txtTitle = new TextObject();
            txtTitle.Name = "TextTitle";
            txtTitle.Bounds = new RectangleF(0, 0, Units.Centimeters * 19, Units.Centimeters * 1);
            txtTitle.Text = "药品采购汇总单";
            txtTitle.HorzAlign = HorzAlign.Center;
            txtTitle.VertAlign = VertAlign.Center;
            txtTitle.Font = new Font("微软雅黑", 20, FontStyle.Bold);
            page1.ReportTitle.Objects.Add(txtTitle);

            GroupHeaderBand group1 = new GroupHeaderBand();
            group1.Name = "GroupHeader1";
            group1.Height = Units.Centimeters * 2f;
            group1.Condition = "[Purchasment.order_id]";//分组条件

            DataBand data1 = new DataBand();
            data1.Name = "Data1";
            data1.Height = Units.Centimeters * 1.5f;//Units.Centimeters * 3f;//调的是data里面数据（即dataHeaderBand）的间距,也是table中row之间的间距
            data1.DataSource = report.GetDataSource("Purchasment");

            #region 分组表头
            //GetDataBand(ref dataBand, ref dataHeaderBand);
            //TextObject txt2 = new TextObject();
            //txt2.Name = "Text2";
            //txt2.Bounds = new RectangleF(0, 0, Units.Centimeters * 20, Units.Centimeters * 3);
            //txt2.VertAlign = VertAlign.Center;
            //txt2.Font = new Font("宋体", 9, FontStyle.Bold);
            //txt2.Text = dataHeaderBand;//"订单号:[Purchasment.order_id]";
            //group1.Objects.Add(txt2);

            //TextObject txt3 = new TextObject();
            //txt3.Name = "Text3";
            //txt3.Bounds = new RectangleF(Units.Centimeters * 8, 0, Units.Centimeters * 20, Units.Centimeters * 3);
            //txt3.VertAlign = VertAlign.Center;
            //txt3.Text = "申请药房:[Purchasment.storage_name]";
            //group1.Objects.Add(txt3);

            ////<TextObject Name="Text38" Left="198.45" Top="18.9" Width="75.6" Height="28.35" Text="订单状态:" VertAlign="Center"/>
            //TextObject txt4 = new TextObject();
            //txt4.Name = "Text4";
            ////txt4.Bounds = new RectangleF(float.Parse("198.45"), float.Parse("18.9"), float.Parse("75.6"), float.Parse("28.35"));
            //txt4.Bounds = new RectangleF(Units.Centimeters * 15, 0, Units.Centimeters * 10, Units.Centimeters * 1);
            //txt4.VertAlign = VertAlign.Center;
            //txt4.Text = "采购科室:[Purchasment.sourceStorage]";
            //group1.Objects.Add(txt4);
            #endregion
            //DataHeaderBand dataHeader1 = new DataHeaderBand();
            //dataHeader1.Name = "DataHeader1";
            //dataHeader1.Height = Units.Centimeters * 1;
            //data1.Objects.Add(dataHeader1);
            //GetDataBand(ref dataBand, ref dataHeaderBand);

            //TextObject txt6 = new TextObject();
            //txt6.Name = "Text6";
            //txt6.Bounds = new RectangleF(0, Units.Centimeters * 2, Units.Centimeters * 30, Units.Centimeters * 1);
            //txt6.Text = dataHeaderBand;
            //txt6.Font = new Font("宋体", 9, FontStyle.Bold);
            //dataHeader1.Objects.Add(txt6);
            ////group1.Objects.Add(txt6);

            //TextObject txt7 = new TextObject();
            //txt7.Name = "Text7";
            //txt7.Bounds = new RectangleF(0, Units.Centimeters * 3, Units.Centimeters * 30, Units.Centimeters * 1f);
            //txt7.Text = dataBand;
            //txt7.Font = new Font("宋体", 9);
            //data1.Objects.Add(txt7);

            #region Table表格
            TableObject table1 = new TableObject();
            table1.Name = "Table1";
            table1.Border.Lines = BorderLines.All;
            table1.Height = Units.Centimeters * 1.5f;
            //table1.Width = Units.Centimeters * 30;

            #region TableColumn
            //TableColumn column1 = new TableColumn();
            //column1.Name = "Column1";
            //column1.Width = Units.Centimeters * 3;
            //table1.AddChild(column1);//AddChild应为添加子节点，适用于table内部
            ////table1.ChildObjects.Add(column);//试过这种添加方式，不过这样就不显示表格了

            //TableColumn column2 = new TableColumn();
            //column2.Name = "Column2";
            //column2.Width = Units.Centimeters * 3;
            //table1.AddChild(column2);

            //TableColumn column3 = new TableColumn();
            //column3.Name = "Column3";
            //column3.Width = Units.Centimeters * 3;
            //table1.AddChild(column3);

            //TableColumn column4 = new TableColumn();
            //column4.Name = "Column4";
            //column4.Width = Units.Centimeters * 3;
            //table1.AddChild(column4);

            //TableColumn column5 = new TableColumn();
            //column5.Name = "Column5";
            //column5.Width = Units.Centimeters * 3;
            //table1.AddChild(column5);

            //TableColumn column6 = new TableColumn();
            //column6.Name = "Column6";
            //column6.Width = Units.Centimeters * 3;
            //table1.AddChild(column6); 
            #endregion

            TableRow row1 = new TableRow();
            row1.Name = "Row1";
            row1.Height = Units.Centimeters * 1.5f;
            table1.AddChild(row1);


            #region TableCell cell1
            //TableCell cell1 = new TableCell();
            //cell1.Name = "Cell1";
            //cell1.HorzAlign = HorzAlign.Center;
            //cell1.VertAlign = VertAlign.Center;
            //cell1.Border.Lines = BorderLines.All;
            //cell1.Text = "[Purchasment.drug_name]";
            //cell1.Font = new Font("宋体", 9);
            //row1.AddChild(cell1);

            //TableCell cell2 = new TableCell();
            //cell2.Name = "Cell2";
            //cell2.HorzAlign = HorzAlign.Center;
            //cell2.VertAlign = VertAlign.Center;
            //cell2.Border.Lines = BorderLines.All;
            //cell2.Text = "[Purchasment.package_spec]";
            //cell2.Font = new Font("宋体", 9);
            //row1.AddChild(cell2);

            //TableCell cell3 = new TableCell();
            //cell3.Name = "Cell3";
            //cell3.HorzAlign = HorzAlign.Center;
            //cell3.VertAlign = VertAlign.Center;
            //cell3.Border.Lines = BorderLines.All;
            //cell3.Text = "[Purchasment.sale_price]";
            //cell3.Font = new Font("宋体", 9);
            //row1.AddChild(cell3);

            //TableCell cell4 = new TableCell();
            //cell4.Name = "Cell4";
            //cell4.HorzAlign = HorzAlign.Center;
            //cell4.VertAlign = VertAlign.Center;
            //cell4.Border.Lines = BorderLines.All;
            //cell4.Text = "[Purchasment.manufacture_name]";
            //cell4.Font = new Font("宋体", 9);
            //row1.AddChild(cell4);

            //TableCell cell5 = new TableCell();
            //cell5.Name = "Cell5";
            //cell5.HorzAlign = HorzAlign.Center;
            //cell5.VertAlign = VertAlign.Center;
            //cell5.Border.Lines = BorderLines.All;
            //cell5.Text = "[Purchasment.distributor_name]";
            //cell5.Font = new Font("宋体", 9);
            //row1.AddChild(cell5);

            //TableCell cell6 = new TableCell();
            //cell6.Name = "Cell6";
            //cell6.HorzAlign = HorzAlign.Center;
            //cell6.VertAlign = VertAlign.Center;
            //cell6.Border.Lines = BorderLines.All;
            //cell6.Text = "[Purchasment.amount]";
            //cell6.Font = new Font("宋体", 9);
            //row1.AddChild(cell6); 
            #endregion

            SetDataHeaderAndTable(group1, page1.PaperWidth, table1, row1);

            data1.Objects.Add(table1);


            #endregion

            #region 报表底
            page1.PageFooter = new PageFooterBand();
            page1.PageFooter.Name = "PageFooter1";
            page1.PageFooter.Height = Units.Centimeters * 1;//这个高度必须>=PageFooter包含文字的RectangleF里面的y的值

            TextObject ftxt1 = new TextObject();
            ftxt1.Name = "FText1";
            ftxt1.Bounds = new RectangleF(0, Units.Centimeters * 1, Units.Centimeters * 10, Units.Centimeters * 1);
            ftxt1.Text = "打印时间:[Date]";
            ftxt1.Font = new Font("宋体", 9);
            ftxt1.VertAlign = VertAlign.Center;
            page1.PageFooter.Objects.Add(ftxt1);

            TextObject ftxt2 = new TextObject();
            ftxt2.Name = "FText2";
            ftxt2.Bounds = new RectangleF(Units.Centimeters * 15, Units.Centimeters * 1, Units.Centimeters * 10, Units.Centimeters * 1);
            ftxt2.Text = "页码:[PageN]/[TotalPages#]";
            ftxt2.Font = new Font("宋体", 9);
            ftxt2.VertAlign = VertAlign.Center;
            page1.PageFooter.Objects.Add(ftxt2);

            TextObject ftxt3 = new TextObject();
            ftxt3.Name = "FText3";
            ftxt3.Bounds = new RectangleF(Units.Centimeters * 8, Units.Centimeters * 1, Units.Centimeters * 10, Units.Centimeters * 1);
            ftxt3.Text = "打印人:[operator]";
            ftxt3.Font = new Font("宋体", 9);
            ftxt3.VertAlign = VertAlign.Center;
            page1.PageFooter.Objects.Add(ftxt3);
            report.SetParameterValue("operator", SysConfig.UserCode);
            #endregion

            //group1.Objects.Add(data1);
            group1.Data = data1;
            page1.Bands.Add(group1);
            report.Pages.Add(page1);
            report.Show();
        }

/// <summary>
        /// 根据当前显示的字段，动态添加数据首和表格
        /// </summary>
        private void SetDataHeaderAndTable(GroupHeaderBand group1, float pageWidth, TableObject table1, TableRow row1)
        {
            int count = 0;//记录显示的列数
            int index = 0;
            DataTable dt = OrderBL.SelectFreecombination(this.Name);
            if (dt != null)
            {
                for (int i = 0; i < dgv_apply_details.Columns.Count; i++)
                {
                    if (dgv_apply_details.Columns[i].Visible)
                    {
                        count++;
                    }
                }
                if (count <= 0)
                {
                    YxMessageBox.ShowWarning("当前没有可打印的数据！");
                    return;
                }
                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    if (DbHelper.GetBool(dt.Rows[i], "print_status"))
                    {
                        TextObject text = new TextObject();
                        text.Name = "Text" + index.ToString();
                        text.Bounds = new RectangleF(0 + index * (3 * pageWidth / count), 0, 3 * pageWidth / count, Units.Centimeters * 3);
                        text.VertAlign = VertAlign.Center;
                        text.Font = new Font("宋体", 9, FontStyle.Bold);
                        text.Text = DbHelper.GetString(dt.Rows[i], "header_text");
                        group1.Objects.Add(text);
                        
                        TableColumn column1 = new TableColumn();
                        column1.Name = "Column" + index.ToString(); ;
                        column1.Width = 3 * pageWidth / count;//Units.Centimeters * 3;
                        table1.AddChild(column1);

                        TableCell cell1 = new TableCell();
                        cell1.Name = "Cell" + index.ToString(); ;
                        cell1.HorzAlign = HorzAlign.Center;
                        cell1.VertAlign = VertAlign.Center;
                        cell1.Border.Lines = BorderLines.All;
                        cell1.Text = "[Purchasment." + DbHelper.GetString(dt.Rows[i], "dataproperty_name") + "] ";
                        cell1.Font = new Font("宋体", 9);
                        row1.AddChild(cell1);

                        index++;
                    }
                }
            }
        }

打印效果如图：