สอบถามเรื่องการออก PDF โดยไม่ใช้ Crystal Report โดยใช้ library PdfSharp

public static bool GenAuditReport(string pDepotCode, string pMUVCode, DataTable dt) {
			try {

				PdfDocument document = new PdfDocument();
				document.Info.Title = "True";

				// Create an empty page
				PdfPage page = document.AddPage();

				// Get an XGraphics object for drawing
				XGraphics gfx = XGraphics.FromPdfPage(page);

				PrivateFontCollection pRegularFont = new PrivateFontCollection();
				pRegularFont.AddFontFile(Environment.fontRegularFilePath);
				System.Drawing.FontFamily RegularFontfamily = pRegularFont.Families[0];

				PrivateFontCollection pBoldFont = new PrivateFontCollection();
				pBoldFont.AddFontFile(Environment.fontBoldFilePath);
				System.Drawing.FontFamily BoldFontfamily = pBoldFont.Families[0];

				XFont font = new XFont(RegularFontfamily, 14, XFontStyle.Regular, new XPdfFontOptions(PdfFontEncoding.Unicode));
				XFont fontHeader = new XFont(BoldFontfamily, 20, XFontStyle.Bold, new XPdfFontOptions(PdfFontEncoding.Unicode));
				XFont fontHeaderAddress = new XFont(BoldFontfamily, 16, XFontStyle.Bold, new XPdfFontOptions(PdfFontEncoding.Unicode));
				XFont fontHeaderTable = new XFont(BoldFontfamily, 14, XFontStyle.Bold, new XPdfFontOptions(PdfFontEncoding.Unicode));
				XFont fontRemark = new XFont(RegularFontfamily, 14, XFontStyle.Bold | XFontStyle.Underline, new XPdfFontOptions(PdfFontEncoding.Unicode));

				XPen solidLine = new XPen(XColors.Black, 1);
				solidLine.DashStyle = XDashStyle.Solid;

				XPen dotLine = new XPen(XColors.Black, 0.5);
				dotLine.DashStyle = XDashStyle.Dot;

				XPen solidLine2 = new XPen(XColors.Black, 0.5);
				solidLine2.DashStyle = XDashStyle.Solid;

				System.IFormatProvider format = new System.Globalization.CultureInfo("en-US", true);

				// Render หัว
				gfx.DrawString("รายงานการตรวจนับสินค้า รวม Serial วันที่  " + DateTime.Now.ToString("dd MMM yyyy HH:mm:ss", format)
																	, fontHeader, XBrushes.Black, new XRect(0, 0, page.Width, 100), XStringFormats.Center);

				gfx.DrawString("Depot : " + pDepotCode + " MUV Code : " + pMUVCode , fontHeader, XBrushes.Black, new XRect(0, 30, page.Width, 100), XStringFormats.Center);
				
				//เส้นตาราง (แนวนอน)
				gfx.DrawLine(solidLine2, 65, 320, 545, 320);
				gfx.DrawLine(solidLine2, 65, 345, 545, 345);

				// Render หัวตาราง
				gfx.DrawString("No.", fontHeaderTable, XBrushes.Black, 70, 325, XStringFormats.TopLeft);
				gfx.DrawString("Material Code", fontHeaderTable, XBrushes.Black, 95, 325, XStringFormats.TopLeft);
				gfx.DrawString("Material Name", fontHeaderTable, XBrushes.Black, 255, 325, XStringFormats.TopLeft);
				gfx.DrawString("Serial", fontHeaderTable, XBrushes.Black, 430, 325, XStringFormats.TopLeft);
				gfx.DrawString("สถานะ", fontHeaderTable, XBrushes.Black, 510, 325, XStringFormats.TopLeft);

                int intLine = 350;
                int i;
                for (i = 0; i <= 15 -1 ; i++) {
                    gfx.DrawString((i + 1).ToString(), font, XBrushes.Black, 75, intLine, XStringFormats.TopLeft);

                    //ถ้าเป็นสินค้า Bundle แสดง BundleName
                    //DataTable dtBundle = new BundlesList().openByBundleCode(dt.Rows[i]["BundleCode"].ToString());
                    if (dt.Rows.Count > 0) {
                        if (dt.Rows[i]["isFound"].ToString().Equals("Y")) {
                            gfx.DrawString(dt.Rows[i]["MaterialCode"].ToString(), font, XBrushes.Black, 117, intLine, XStringFormats.TopLeft);
                            gfx.DrawString(dt.Rows[i]["MaterialName"].ToString(), font, XBrushes.Black, 170, intLine, XStringFormats.TopLeft);
                            gfx.DrawString(dt.Rows[i]["SerialNo"].ToString(), font, XBrushes.Black, 400, intLine, XStringFormats.TopLeft);
                            gfx.DrawString("พบ", font, XBrushes.Black, 500, intLine, XStringFormats.TopLeft);
                        } else {
                            gfx.DrawString(dt.Rows[i]["MaterialCode"].ToString(), font, XBrushes.Red, 117, intLine, XStringFormats.TopLeft);
                            gfx.DrawString(dt.Rows[i]["MaterialName"].ToString(), font, XBrushes.Red, 170, intLine, XStringFormats.TopLeft);
                            gfx.DrawString(dt.Rows[i]["SerialNo"].ToString(), font, XBrushes.Red, 400, intLine, XStringFormats.TopLeft);
                            gfx.DrawString("ไม่พบ", font, XBrushes.Red, 500, intLine, XStringFormats.TopLeft);
                        }
                    } 
                    //else {
                    //    gfx.DrawString("-", font, XBrushes.Black, 127, intLine, XStringFormats.TopLeft);
                    //    gfx.DrawString(dt.Rows[i]["MaterialName"].ToString(), font, XBrushes.Black, 170, intLine, XStringFormats.TopLeft);
                    //}
                    //gfx.DrawString(dt.Rows[i]["SerialNo"].ToString(), font, XBrushes.Black, 395, intLine, XStringFormats.TopLeft);
                    //XStringFormat formatRight = new XStringFormat();
                    //formatRight.Alignment = XStringAlignment.Far;
                    //formatRight.LineAlignment = XLineAlignment.Far;
                    //gfx.DrawString(String.Format("{0:#,##0.00}", CATConvert.ToDecimal(dt.Rows[i]["Price"])), font, XBrushes.Black, 537, intLine + 16, formatRight);
                    intLine = intLine + 25;
                    if (i != dt.Rows.Count - 1)
                        gfx.DrawLine(dotLine, 65, intLine - 5, 545, intLine - 5);
                    else
                        gfx.DrawLine(solidLine2, 65, intLine - 5, 545, intLine - 5);
                }

				//เส้นตาราง (แนวตั้ง)
				gfx.DrawLine(solidLine2, 65, 320, 65, intLine - 5);
				gfx.DrawLine(solidLine2, 90, 320, 90, intLine - 5);
				gfx.DrawLine(solidLine2, 165, 320, 165, intLine - 5);
				gfx.DrawLine(solidLine2, 390, 320, 390, intLine - 5);
				gfx.DrawLine(solidLine2, 495, 320, 495, intLine - 5);
				gfx.DrawLine(solidLine2, 545, 320, 545, intLine - 5);


                // Save the document...
				string fileName =  "Audit_" + DateTime.Now.Ticks + ".pdf";

				deletePreviousPDF();
				document.Save(Environment.applicationPath + "/" + fileName);
				Process.Start(Environment.applicationPath + "/" + fileName);
				return true;
			} catch (Exception e) {
				return false;
			}
		}