Open and save PDF document in Windows Forms

20 Jan 20254 minutes to read

The Syncfusion^® .NET PDF library is used to create, read, and edit PDF documents programatically without the dependency of Adobe Acrobat. Using this library, you can open and save PDF document in ASP.NET Core.

Steps to open and save PDF document programmatically:

Step 1: Create a new Windows Forms application project.

Step 2: Install Syncfusion.Pdf.WinForms NuGet package as a reference to your Windows Forms application from the NuGet.org.

NOTE

Starting with v16.2.0.x, if you reference Syncfusion^® assemblies from the trial setup or from the NuGet feed, you also have to add the “Syncfusion.Licensing” assembly reference and include a license key in your projects. Please refer to this link to know about registering Syncfusion^® license key in your application to use our components.

Step 3: Include the following namespaces in the Form1.cs file.

C#

using Syncfusion.Pdf;
using Syncfusion.Pdf.Graphics;
using Syncfusion.Pdf.Grid;
using Syncfusion.Pdf.Parsing;

Step 4: Add a new button in Form1.Designer.cs to open and save PDF document as follows.

C#

this.button1 = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.SuspendLayout();
// 
// button1
// 
this.button1.Location = new System.Drawing.Point(271, 170);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(183, 57);
this.button1.TabIndex = 0;
this.button1.Text = "Open and save PDF document";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
// 
// label1
// 
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(207, 105);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(356, 20);
this.label1.TabIndex = 1;
this.label1.Text = "Click the button to open and save PDF document";

Step 5: Add the following code in the btnOpenAndSave_Click to open an existing PDF document in Windows-Forms.

C#

//Open an existing PDF document.
PdfLoadedDocument document = new PdfLoadedDocument("Input.pdf");

Step 6: Add below code example to add a table in an existing PDF document.

C#

//Create a PdfGrid.
PdfGrid pdfGrid = new PdfGrid();
//Add values to the list.
List<object> data = new List<object>();
Object row1 = new { Product_ID = "1001", Product_Name = "Bicycle", Price = "10,000" };
Object row2 = new { Product_ID = "1002", Product_Name = "Head Light", Price = "3,000" };
Object row3 = new { Product_ID = "1003", Product_Name = "Break wire", Price = "1,500" };
data.Add(row1);
data.Add(row2);
data.Add(row3);
//Add list to IEnumerable.
IEnumerable<object> dataTable = data;
//Assign data source.
pdfGrid.DataSource = dataTable;
//Apply built-in table style.
pdfGrid.ApplyBuiltinStyle(PdfGridBuiltinStyle.GridTable4Accent3);
//Draw the grid to the page of PDF document.
pdfGrid.Draw(graphics, new RectangleF(40, 400, page.Size.Width - 80, 0));

Step 7: Add below code example to save the PDF document in Windows Forms.

C#

//Save the PDF document. 
document.Save("Sample.pdf");

You can download a complete working sample from GitHub.

By executing the program, you will get the PDF document as follows.

Click here to explore the rich set of Syncfusion^® PDF library features.