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Essential PDF is a .NET PDF library to create, read, edit, & convert PDF files in Windows Forms, WPF, UWP, ASP.NET Core, ASP.NET MVC, Xamarin ... how to edit pdf file in asp net c# Create pdf adding images and changing font on pdf c# itextsharp ...
Feb 18, 2018 · how to create and edit a pdf file , how to add an image to a pdf file and changing the font c ...Duration: 18:28 Posted: Feb 18, 2018 In addition to allowing us to find all elements with a given name, the Elements method also has a parameterless overload that can be used to retrieve all the children of an XElement. In the listing, we could have called the parameterless version of Elements since the <books> element only contains <book> elements as children. By leveraging the Element, Attribute, and Elements axis methods, we ve successfully read a set of details out of our sample XML and accomplished our goal. We didn t set our sights that high, but nevertheless we ve learned about three essential LINQ to XML axis methods that we ll use when constructing more complex LINQ to XML queries. It s important to remember that Elements only searches the elements that are direct children of the XElement that it s called on. Sometimes rather than needing just the children of the current element, we want to look at all the elements that exist at any level beneath the current element. It s for these scenarios that the LINQ to XML API provides the Descendants axis method. c# create editable pdf: Manipulate (Add/Edit) PDF using .NET - CodeProject how to edit pdf file in asp.net c# Modify and append content to existing PDF using iTextSharp in C ...
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Jun 19, 2018 · This article provides a simple solution of creating fillable PDF forms through the use of Free Spire.PDF DLL. Free Spire.PDF is a managed C# ... private void CalculationStatusChanged( object sender, CalculationEventArgs e ) { switch ( e.Status ) { case CalculationStatus.Calculating: button1.Enabled = false; button2.Enabled = true; break; case CalculationStatus.NotCalculating: button1.Enabled = true; button2.Enabled = false; break; case CalculationStatus.CancelPending: button1.Enabled = false; button2.Enabled = false; break; } } docx to pdf c#: On demand conversion with Word automation services c# edit pdf Create editable form in pdf using iTextsharp , save contents of ...
in order to save any information entered into a PDF form. Alternatively ... As per iText , one can generate such pdf only by using adobe software. edit pdf c# programming - Editing existing pdf files using C# | DaniWeb
That's not how PDF files work. All of the calculations that take place in the layout stage are done and finalised (this sets PDF apart from ... The Descendants axis method works in the same way as the Elements method, but instead of limiting the elements returned to those that are direct children of the current element, Descendants will traverse all the elements underneath the current element. The Descendants axis method is helpful when you want to retrieve all the elements with a particular XName, but you re not sure where in the tree they live. The Descendants axis method has two overloads. The first overload accepts an XName and returns all elements anywhere underneath the current element with the provided XName. To retrieve every descendant, regardless of XName, you can call Descendants without any parameters. We re once again going to use the XML we introduced in listing 10.1. This time, instead of looking for all the books within a single category, we d like to return every book, no matter what category it s in. Since the book elements exist at different levels within the XML, we can t use the Elements axis method. Instead, we ll use the Descendants axis method. To retrieve every book within our XML, we can write the code shown in listing 10.5. c# pdf editor Is there any way to create editable PDF files by using iTextSharp ...
PDF is NOT a format for editing text. Please read the ... Secondly, I assume you are trying to create PDFs just from C# code. A way to vissualy ... pdf editor in c# C#,iTextSharp – PDF file – Insert/extract image,text,font, text ...
Nov 25, 2011 · C#,iTextSharp – PDF file – Insert/extract image,text,font, text highlighting and auto fillin ... wishes to create PDF without Adobe Acrobat Professional or to edit a PDF file. .... 4.2 Highlighting text in existing PDF file – 30.07.2012 ... XElement books = XElement.Load("categorizedBooks.xml"); foreach(XElement bookElement in books.Descendants("book")) { Console.WriteLine((string)bookElement); } CLR via C# Essential .NET Refactoring Domain Driven Design Patterns of Enterprise Application Architecture Extreme Programming Explained Pragmatic Unit Testing with C# Head First Design Patterns In this example, the CalculationStatusChanged event handler enables and disables the start and stop buttons depending on the calculation s status. This prevents the user from trying to start a calculation that is already in progress and provides feedback to the user about the status of the calculation. The UI implements form event handlers for each button click to start and stop the calculation using the public methods on the Task object. For example, a start button event handler calls the StartCalculation method as follows. As you can see, the Descendants axis method makes it easy to retrieve all the book elements within the XML. Rather than having to navigate the tree ourselves using a combination of the Element and Elements methods, we can use the Descendants method to return all the elements that fall underneath the current element with a given XName ( book ). Closely related to the Descendants axis method is the DescedantNodes axis method. The only difference between the two is that DescendantNodes includes nonelement nodes (such as XComment and XProcessingInstruction) and as such returns an IEnumerable of XNode objects rather than an IEnumerable of XElement objects. It s important to note that the Descendants axis method does not include itself in the tree of elements that are searched. If you need to include the current element, use the DescendantsAndSelf axis method. Just like the Descendants axis method, the DescendantsAndSelf method returns an IEnumberable of XElement objects. The only difference is that DescendantsAndSelf includes itself within the set of XElement objects that will be returned. Let s once again return to the XML introduced in listing 10.1, which is shown here: PS C:\> $computername = [Microsoft.VisualBasic.Interaction]::InputBox('Ente r a computer name','Computer Name','localhost') <category name="Technical"> <category name=".NET"> <books> <book>CLR via C#</book> <book>Essential .NET</book> </books> </category> <category name="Design"> <books> <book>Refactoring</book> <book>Domain Driven Design</book> <book>Patterns of Enterprise Application Architecture</book> </books> </category> <books> <book>Extreme Programming Explained</book> <book>Pragmatic Unit Testing with C#</book> <book>Head First Design Patterns</book> </books> </category> Now let s compare the Descendants and DescendantsAndSelf methods with the code shown in listing 10.6. private void startButton_Click( object sender, System.EventArgs e ) { calculationTask.StartCalculation( 1000 ); } XElement root = XElement.Load("categorizedBooks.xml"); IEnumerable<XElement> categories = root.Descendants("category"); Console.WriteLine("Descendants"); foreach(XElement categoryElement in categories) { Console.WriteLine(" - " + (string)categoryElement.Attribute("name")); } categories = root.DescendantsAndSelf("category"); Console.WriteLine("DescendantsAndSelf"); foreach (XElement categoryElement in categories) { Console.WriteLine(" - " + (string)categoryElement.Attribute("name")); } As we can see, the way we call Descendants and DescendantsAndSelf is identical. If we examine the following output, we can see that DescendantsAndSelf included the root category (Technical) in its output. c# edit pdf C# .NET PDF Manipulation API - Aspose
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