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ByteScout Premium Suite – ASP.NET C# – PDF SDK Samples with PDF SDK

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PDF SDK samples with PDF SDK in ASP.NET C# with ByteScout Premium Suite

How to apply ByteScout Premium Suite for PDF SDK samples with PDF SDK in ASP.NET C#

This page explains the steps and algorithm of implementing PDF SDK samples with PDF SDK and how to make it work in your application. PDF SDK samples with PDF SDK in ASP.NET C# can be applied with ByteScout Premium Suite. ByteScout Premium Suite is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording.

Want to speed up the application development? Then this ASP.NET C#, code samples for ASP.NET C#, developers help to speed up the application development and writing a code when using ByteScout Premium Suite. Just copy and paste this ASP.NET C# sample code to your ASP.NET C# application’s code editor, add a reference to ByteScout Premium Suite (if you haven’t added yet) and you are ready to go! Updated and detailed documentation and tutorials are available along with installed ByteScout Premium Suite if you’d like to learn more about the topic and the details of the API.

ByteScout Premium Suite is available as a free trial. You may get it from our website along with all other source code samples for ASP.NET C# applications.

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Default.aspx
      
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="PDFSDKSamples.Default" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>PDF SDK Samples</title> </head> <body> <form id="form1" runat="server"> <div style="text-align:center;"> <div style="font-size: 20px; text-decoration: underline;"> <br /> This page demostrates Byscout PDF SDK, by perfomring following PDF related operations.<br /> <br /><br /> </div> <div> <asp:Button ID="btnPDFConversionFromHtml" runat="server" Text="1. Html to PDF conversion" Width="360px" OnClick="btnPDFConversionFromHtml_Click" /> &nbsp;&nbsp;<asp:Label ID="lblPDFConversationFromHTML" runat="server"></asp:Label> <br /> <br /> <asp:Button ID="btnTableCreation" runat="server" Text="2. Table Creation" Width="360px" OnClick="btnTableCreation_Click" /> &nbsp;&nbsp;<asp:Label ID="lblTableCreation" runat="server"></asp:Label> <br /> <br /> <asp:Button ID="btnSplitPDF" runat="server" Text="3. Splitting PDF" Width="360px" OnClick="btnSplitPDF_Click" /> &nbsp;&nbsp;<asp:Label ID="lblSplitPDF" runat="server"></asp:Label> <br /> <br /> <asp:Button ID="btnMergePDF" runat="server" Text="4. Merging PDF" Width="360px" OnClick="btnMergePDF_Click" /> &nbsp;&nbsp;<asp:Label ID="lblMergePDF" runat="server"></asp:Label> <br /> <br /> <asp:Button ID="btnProtectingPDF" runat="server" Text="5. Protecting PDF (password=password1)" Width="360px" OnClick="btnProtectingPDF_Click" /> &nbsp;&nbsp;<asp:Label ID="lblProtectingPDF" runat="server"></asp:Label> </div> </div> </form> </body> </html>

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Default.aspx.cs
      
using Bytescout.PDF; using Bytescout.PDF.Converters; using System; using System.Drawing.Printing; using System.IO; namespace PDFSDKSamples { public partial class Default : System.Web.UI.Page { /* IF YOU SEE TEMPORARY FOLDER ACCESS ERRORS: Temporary folder access is required for web application when you use ByteScout SDK in it. If you are getting errors related to the access to temporary folder like "Access to the path 'C:\Windows\TEMP\... is denied" then you need to add permission for this temporary folder to make ByteScout SDK working on that machine and IIS configuration because ByteScout SDK requires access to temp folder to cache some of its data for more efficient work. SOLUTION: If your IIS Application Pool has "Load User Profile" option enabled the IIS provides access to user's temp folder. Check user's temporary folder If you are running Web Application under an impersonated account or IIS_IUSRS group, IIS may redirect all requests into separate temp folder like "c:\temp\". In this case - check the User or User Group your web application is running under - then add permissions for this User or User Group to read and write into that temp folder (c:\temp or c:\windows\temp\ folder) - restart your web application and try again */ #region Events /// <summary> /// Handle HTML to PDF conversation /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnPDFConversionFromHtml_Click(object sender, EventArgs e) { try { // HTML to PDF Conversion using (HtmlToPdfConverter converter = new HtmlToPdfConverter()) { converter.PageSize = PaperKind.A4; converter.Orientation = Bytescout.PDF.Converters.PaperOrientation.Portrait; converter.Footer = "<p style=\"color: blue;\">FOOTER TEXT</p>"; // Get html document in input stream FileStream inputFileStream = new FileStream(Server.MapPath("~/SampleFiles/sample.html"), FileMode.Open); // Define output stream MemoryStream outputStream = new MemoryStream(); // Get converted PDF docuement in output stream converter.ConvertHtmlToPdf(inputFileStream, outputStream); // Download converted document Response.Clear(); Response.ClearHeaders(); Response.AppendHeader("Content-Length", outputStream.Length.ToString()); Response.ContentType = "text/pdf"; Response.AppendHeader("Content-Disposition", "attachment;filename=\"sample_ConvertedFromHTML.pdf\""); Response.BinaryWrite(outputStream.ToArray()); Response.End(); } } catch (Exception ex) { lblPDFConversationFromHTML.Text = "Error: " + ex.Message; } } /// <summary> /// Handle Table Creation with PDF SDK /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnTableCreation_Click(object sender, EventArgs e) { try { // Create new document Document pdfDocument = new Document(); pdfDocument.RegistrationName = "demo"; pdfDocument.RegistrationKey = "demo"; // Add page Bytescout.PDF.Page page = new Bytescout.PDF.Page(PaperFormat.A4); pdfDocument.Pages.Add(page); DeviceColor lightGrayColor = new ColorGray(200); DeviceColor whiteColor = new ColorGray(255); DeviceColor lightBlueColor = new ColorRGB(200, 200, 250); DeviceColor lightRedColor = new ColorRGB(255, 200, 200); // Create a table and set default background color Bytescout.PDF.Table table = new Bytescout.PDF.Table(); table.BackgroundColor = lightGrayColor; // Add row headers column and set its color table.Columns.Add(new TableColumn("RowHeaders")); table.Columns[0].BackgroundColor = lightGrayColor; // Add columns A, B, C, ... for (int c = 0; c < 10; c++) { string columnName = Convert.ToChar('A' + c).ToString(); table.Columns.Add(new TableColumn(columnName, columnName)); } // Add rows for (int r = 0; r < 10; r++) { // Create new row and set its background color Bytescout.PDF.TableRow row = table.NewRow(); row.BackgroundColor = whiteColor; // Set row header text row["RowHeaders"].Text = (r + 1).ToString(); // Set cell text for (int c = 0; c < 10; c++) { string columnName = Convert.ToChar('A' + c).ToString(); row[columnName].Text = columnName + (r + 1); } // Add the row to the table table.Rows.Add(row); } // Decorate the table table.Rows[1]["B"].BackgroundColor = lightRedColor; table.Columns[2].BackgroundColor = lightBlueColor; table.Rows[1].BackgroundColor = lightBlueColor; table.Rows[1]["RowHeaders"].BackgroundColor = lightBlueColor; // Draw the table on canvas page.Canvas.DrawTable(table, 20, 20); // Save created PDF to memory stream MemoryStream memoryStream = new MemoryStream(); pdfDocument.Save(memoryStream); // Perform download of file Response.Clear(); Response.ClearHeaders(); Response.AppendHeader("Content-Length", memoryStream.Length.ToString()); Response.ContentType = "text/pdf"; Response.AppendHeader("Content-Disposition", "attachment;filename=\"sample_PDFWithTable.pdf\""); Response.BinaryWrite(memoryStream.ToArray()); Response.End(); } catch (Exception ex) { lblTableCreation.Text = "Error: " + ex.Message; } } /// <summary> /// Demonstrate Splitting PDF /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnSplitPDF_Click(object sender, EventArgs e) { try { // Open Document Document document = new Document(Server.MapPath("~/SampleFiles/sample.pdf")); document.RegistrationName = "demo"; document.RegistrationKey = "demo"; // Create Split PDF Document Document documentSplitPDF = new Document(); documentSplitPDF.RegistrationName = "demo"; documentSplitPDF.RegistrationKey = "demo"; // Get page 1&2 to Split PDF document for (int i = 0; i < 2; i++) { documentSplitPDF.Pages.Add(document.Pages[i]); } // Save splitted PDF to memory stream MemoryStream memoryStream = new MemoryStream(); documentSplitPDF.Save(memoryStream); // Perform download of file Response.Clear(); Response.ClearHeaders(); Response.AppendHeader("Content-Length", memoryStream.Length.ToString()); Response.ContentType = "text/pdf"; Response.AppendHeader("Content-Disposition", "attachment;filename=\"sample_splitPDF.pdf\""); Response.BinaryWrite(memoryStream.ToArray()); Response.End(); } catch (Exception ex) { lblSplitPDF.Text = "Error: " + ex.Message; } } /// <summary> /// Handle Merging PDF /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnMergePDF_Click(object sender, EventArgs e) { try { // Open first document Document document1 = new Document(Server.MapPath("~/SampleFiles/sample.pdf")); document1.RegistrationName = "demo"; document1.RegistrationKey = "demo"; // Open second document Document document2 = new Document(Server.MapPath("~/SampleFiles/sample2.pdf")); document2.RegistrationName = "demo"; document2.RegistrationKey = "demo"; // Add pages from document2 to document1 for (int i = 0; i < document2.Pages.Count; ++i) { document1.Pages.Add(document2.Pages[i]); } // Save merged PDF to memory stream MemoryStream memoryStream = new MemoryStream(); document1.Save(memoryStream); // Perform download of file Response.Clear(); Response.ClearHeaders(); Response.AppendHeader("Content-Length", memoryStream.Length.ToString()); Response.ContentType = "text/pdf"; Response.AppendHeader("Content-Disposition", "attachment;filename=\"sample_mergedPDF.pdf\""); Response.BinaryWrite(memoryStream.ToArray()); Response.End(); } catch (Exception ex) { lblMergePDF.Text = "Error: " + ex.Message; } } /// <summary> /// Handle Protecting PDF /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnProtectingPDF_Click(object sender, EventArgs e) { try { using (Document pdfDocument = new Document()) { // Set registration key and password pdfDocument.RegistrationKey = "demo"; pdfDocument.RegistrationName = "demo"; // PDF file path string pdfFilePath = Server.MapPath("~/SampleFiles/sample.pdf"); // Load pdf file pdfDocument.Load(pdfFilePath); // Set document encryption algorythm pdfDocument.Security.EncryptionAlgorithm = EncryptionAlgorithm.RC4_40bit; // Set various user permissions pdfDocument.Security.AllowPrintDocument = false; pdfDocument.Security.AllowContentExtraction = false; pdfDocument.Security.AllowModifyAnnotations = false; pdfDocument.Security.PrintQuality = PrintQuality.LowResolution; // PDF format supports two kinds of passwords: owner and user password. // User password allows to view document and perform allowed actions. // Owner password allows everything, including changing passwords and permissions. // Set owner password // pdfDocument.Security.OwnerPassword = "ownerpassword"; // Set user password pdfDocument.Security.UserPassword = "password1"; // Extract PDF document to Stream MemoryStream memoryStream = new MemoryStream(); pdfDocument.Save(memoryStream); // Perform download of file Response.Clear(); Response.ClearHeaders(); Response.AppendHeader("Content-Length", memoryStream.Length.ToString()); Response.ContentType = "text/pdf"; Response.AppendHeader("Content-Disposition", "attachment;filename=\"sample_protectedPDF.pdf\""); Response.BinaryWrite(memoryStream.ToArray()); Response.End(); } } catch (Exception ex) { lblProtectingPDF.Text = "Error: " + ex.Message; } } #endregion } }

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Default.aspx.designer.cs
      
//------------------------------------------------------------------------------ // <auto-generated> // This code was generated by a tool. // // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. // </auto-generated> //------------------------------------------------------------------------------ namespace PDFSDKSamples { public partial class Default { /// <summary> /// form1 control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.HtmlControls.HtmlForm form1; /// <summary> /// btnPDFConversionFromHtml control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Button btnPDFConversionFromHtml; /// <summary> /// lblPDFConversationFromHTML control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Label lblPDFConversationFromHTML; /// <summary> /// btnTableCreation control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Button btnTableCreation; /// <summary> /// lblTableCreation control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Label lblTableCreation; /// <summary> /// btnSplitPDF control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Button btnSplitPDF; /// <summary> /// lblSplitPDF control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Label lblSplitPDF; /// <summary> /// btnMergePDF control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Button btnMergePDF; /// <summary> /// lblMergePDF control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Label lblMergePDF; /// <summary> /// btnProtectingPDF control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Button btnProtectingPDF; /// <summary> /// lblProtectingPDF control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Label lblProtectingPDF; } }

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Web.config
      
<?xml version="1.0"?> <!-- For more information on how to configure your ASP.NET application, please visit https://go.microsoft.com/fwlink/?LinkId=169433 --> <configuration> <!-- For a description of web.config changes see http://go.microsoft.com/fwlink/?LinkId=235367. The following attributes can be set on the <httpRuntime> tag. <system.Web> <httpRuntime targetFramework="4.5" /> </system.Web> --> <system.web> <compilation debug="true" targetFramework="4.5"/> <pages controlRenderingCompatibilityVersion="4.0"/> </system.web> </configuration>

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