Printing Reports in .NET

using System;
using System.Data;
using System.Drawing;
//using System.Windows.Forms;
using ReportPrinting;

namespace ReportDocumentTesting
{
	/// <summary>
	/// A sample of grades
	/// </summary>
	public class ReportTest13 : IReportMaker
	{

        public void MakeDocument(ReportDocument reportDocument)
        {
            TextStyle.ResetStyles();

            ReportBuilder builder = new ReportBuilder (reportDocument);
            builder.StartLinearLayout (Direction.Vertical);

            TextStyle.TableRow.MarginTop = 0.05f;
            TextStyle.TableRow.MarginBottom = 0.03f;
            TextStyle.TableHeader.MarginBottom = 0.03f;

            builder.AddPageHeader ("Science 101", String.Empty, DateTime.Now.ToLongDateString());
            builder.AddFormatExpression (typeof (float), DecimalFormatString);
            DataTable roster = GetRoster();
            DataView dv;
            if (roster == null)
            {
                dv = null;
                System.Windows.Forms.MessageBox.Show ("oops... there was a problem loading the grades xml file.");
            }
            else
            {
                dv = roster.DefaultView;
            }

            builder.DefaultTablePen = null; // turn of all lines that aren't explicitly enabled later
            builder.AddTable (dv, true);
            builder.Table.InnerPenHeaderBottom = reportDocument.NormalPen;
            builder.Table.InnerPenRow = new Pen (Color.Gray, reportDocument.ThinPen.Width);
            builder.Table.OuterPenBottom = new Pen (Color.Gray, reportDocument.ThinPen.Width);
            builder.Table.HorizontalAlignment = ReportPrinting.HorizontalAlignment.Center;
            
            builder.AddColumn ("Name", "Name", 2.5f, false, false);

            float width = 0.7f;
            foreach (DataColumn col in roster.Columns)
            {
                if (col.ColumnName.StartsWith (catPrefix))
                {
                    string catName = GetCatName (col.ColumnName);
                    builder.AddColumn (col, catName, width, false, false, HorizontalAlignment.Right);
                }
            }

            builder.AddColumn ("Average", "Avg", width, false, false, HorizontalAlignment.Right);

            builder.FinishLinearLayout ();

        }


        DataTable GetRoster()
        {
            DataSet ds = new DataSet();
            MainForm.GradesXml.Position = 0;
            ds.ReadXml (MainForm.GradesXml);
            if (ds.Tables.Count >= 1)
            {
                return ds.Tables[0];
            }
            return null;
        }

        const string catPrefix = "Cat_";


        string GetCatName (string colName)
        {
            string name = String.Empty;
            if (colName.StartsWith(catPrefix))
            {
                name = colName.Replace (catPrefix, String.Empty);
            }
            return name;
        }



        static int decimalPlacesDisplayed = 1;

        /// <summary>
        /// Gets or sets the number of decimal places displayed
        /// </summary>
        public static int DecimalDisplayed
        {
            get { return decimalPlacesDisplayed; }
            set { decimalPlacesDisplayed = value; }
        }

        /// <summary>
        /// Gets a format string for floating point numbers
        /// </summary>
        public static string DecimalFormatString
        {
            get { return "F" + DecimalDisplayed; }
        }



	}
}