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C# demo to guide how to watermark PDF file, stamping text and image watermark to PDF document in C# language. add watermark to pdf using itextsharp c# c# itextsharp PDF creation with watermark on each page - Stack ...
After digging into it I found the best way was to add the watermark to each page .... using the following code (perhaps iTextSharp was improved a bit since then. The official AWS web site is located at http://aws.amazon.com. You can find the latest version of the documentation at http://developer.amazonwebservices.com/connect be sure to bookmark this URL because you ll find it very useful. Before moving on, you need to create your account with AWS. To access AWS, you need an access key ID, which identifies your account in the AWS system. The access key ID is a 20-character alphanumeric string. If you don t already have one, apply now at http://www.amazon.com/gp/aws/registration/ registration-form.html. The access key ID gives you access to more Amazon web services and Alexa web services (Alexa is a service owned by Amazon.com), as you can see in Figure 22-2. The access key isn t public information (you re not supposed to share it with anyone), but it s free for anyone to get one. For the paid web services, or for the services that need to be accessed in a secure way, Amazon.com uses another key called a secret access key, which you also get upon registration. We will not be using the secret access key in this chapter, however. To access AWS, you need only the access key. pdf watermark c#: Add Text Watermark and Image Watermark to PDF in C# .NET ... add watermark image to pdf using itextsharp c# set WaterMark Text in PDF using itextsharp in C# ~ Asp .Net ...
7 Nov 2015 ... In this example we can explain that How can we create a PDF file with watermark text as a Background of the pdf using itextsharp dll in asp.net ... add watermark to pdf using itextsharp c# How to add watermark to PDF file in C# , VB.NET | WinForms - PDF
3 Aug 2018 ... For example, you can apply a “Confidential” text to the pages with sensitive information. Syncfusion Essential PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can add watermark to PDF file in C# and VB. The RegularExpressionValidator is almost as straightforward. It adds a property where the user can supply a regular expression, and overrides the EvaluateIsValid() method with the code needed to verify the expression against the control text. Here s what it looks like: public class RegularExpressionValidator : BaseValidator { // Store the regular expression. private string validationExpression; public string ValidationExpression { get { return validationExpression; } set { validationExpression = value; } } // Validate with the regular expression. protected override bool EvaluateIsValid() { // Don't validate if empty (that's a job for the RequiredFieldValidator). if (ControlToValidate.Text.Trim().Length == 0) return true; // Evaluate the regular expression. Regex regex = new Regex(validationExpression); return regex.IsMatch(ControlToValidate.Text); } } You ll notice that the RegularExpressionValidator returns true if it encounters a blank value. That s the same way that ASP.NET validators work, and it gives you the flexibility to deal with optional information. Essentially, the RegularExpressionValidator checks a control if it contains a value. If it doesn t contain a value but it should, you need to use both the RegularExpressionValidator and the RequiredFieldValidator on the same control. The final validator you ll consider is the RangeValidator, which checks that a value is between a specified minimum and maximum. The RangeValidator is slightly more complicated, because it needs to support different types of data. In this example, it works for string comparisons, floating point numbers, and integers, although you could easily extend it to work with dates and other values. Here s the enumeration that defines supported data types: public enum ValidationDataType { Integer, Double, Text } c# get thumbnail of pdf: c# - Create PDF preview - Code Review Stack Exchange add watermark to pdf c# [Solved] How to add watermark image in pdf file - CodeProject
Here is some example for applying watermark in pdf . ... com/post/2011/12/21/ Using - iTextSharp -with-aspnet-to- add - watermark -in- pdf - file .aspx[^] add watermark to pdf c# iText 7 : How to add an image watermark to a PDF file?
8 Jul 2013 ... I'm using C# and iTextSharp to add a watermark to my PDF files: ... Image img = iTextSharp .text. Image .GetInstance( WatermarkLocation ); img. private Vector3f genStartPosn() { float x = (float)((rand.nextDouble() * floorLen)-floorLen/2); float z = (float)((rand.nextDouble() * floorLen)-floorLen/2); float y = getHeight(x, z) + RADIUS; // ball rests on the floor posnVec.set(x,y,z); return posnVec; } // end of genStartPosn() getHeight() uses the floor s heights map to calculate the height at the supplied (x, z) position. The ball will usually be located somewhere between the heights map vertices, so the height is calculated as a weighted average of the (x, z) coordinate s distance from the four nearest vertices: // globals private float[][] heights; // the floor's heights map add watermark to pdf c# Add Text Watermark and Image Watermark to PDF in C# .NET ...
C# demo to guide how to watermark PDF file, stamping text and image watermark to PDF document in C# language. add image watermark to pdf c# C# Visual Studio .NET Tutorial - iText# PDF Create Watermark #1
Jul 29, 2016 · Let's Show #217 - C# Visual Studio .NET Tutorial - iText# PDF Create Watermark #1. Event ...Duration: 2:31 Posted: Jul 29, 2016
add watermark to pdf c# Watermark pdf in C# - asp.net tips and tricks
14 Jan 2017 ... Add the following functions. using iTextSharp . text ; using iTextSharp . text . pdf ; using System.IO; public Paragraph AddParagragh(string ... add watermark to pdf using itextsharp c# Watermark pdf in C# - asp.net tips and tricks
14 Jan 2017 ... Steps for creating Pdf watermarked. creating new project window application; download itextsharp from Here; add reference of itextSharp .dll to ... tesseract c# pdf: [Solved] C# code to extract text from a scanned pdf document ...
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