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With PDFNet you can easily insert/edit a PDF like you are looking for. As you can see, the same data is inserted in three queries in the first example but in just one query in the second example. It won t take very long to insert three records no matter what you do. However, in cases where you need to scale, and even more so when you need to insert large amounts of data at once, the time savings can be quite valuable. You might initially think that a database like MySQL or PostgreSQL would take the same amount of time to insert a given number of rows, without regard to how many queries are used, but that s not true. Significant overhead is associated with each additional query. In fact, as you ll see when we examine the completed solution later in this chapter, the code that inserts Apache log data using this extension will perform at triple the speed of Active Record alone. If you have a more complex situation with a number of keys or with a large amount of data being read at a time, for example it will speed up processing even more. For more details on ActiveRecord::Extensions, see http://www.continuousthinking. com/are/activerecord-extensions-0-0-5. download pdf file from server in asp.net c#: How to save a document in PDF format C# and VB.Net - SautinSoft c# httpclient download pdf C# PDF : PDF Document Viewer & Reader SDK for Windows Forms ...
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how can i create password protect a pdf using iTextSharp ? .... After you create the pdf file open the file in PdfReader and use the PdfEncryptor . ... Encrypt ( PdfReader, OutputFileStream, True, password, password, PdfWriter. Listing 6-17 shows the changes we need to make to the UserRegistration.php file in the ./include/FormProcessor directory. Listing 6-17. Adding the Ability to Only Validate the Registration Form (UserRegistration.php) < php class FormProcessor_UserRegistration extends FormProcessor { protected $db = null; public $user = null; protected $_validateOnly = false; public function __construct($db) { // ... other code } public function validateOnly($flag) { $this->_validateOnly = (bool) $flag; } public function process(Zend_Controller_Request_Abstract $request) { // ... other code // if no errors have occurred, save the user if (!$this->_validateOnly && !$this->hasError()) { $this->user->save(); unset($session->phrase); } // return true if no errors have occurred return !$this->hasError(); } } > pdf annotation in c#: Displaying a pdf file from Winform - Stack Overflow c# pdf library itextsharp GitHub - itext/itextsharp: [DEPRECATED] .NET port of the iText ...
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License. Note that iTextSharp is licensed under AGPL which restricts the commercial use. Sample code (C#). using iTextSharp.text.pdf; using ... requires your data to be on disk in CSV format, however. In some cases, you can convert data from another format, write it as CSV, and then load it with LOAD DATA INFILE. This will still be faster than using separate INSERT statements, but the additional complexity may not be worth it, particularly if you re dealing with dynamic data from, say, a user filling out a form on a web site. Also, LOAD DATA INFILE has the disadvantage of being MySQL-specific, and you need to place the CSV file on the server or else deal with some security issues. You can find more information about LOAD DATA INFILE, as well as on speeding up INSERT statements (including the relatively obscure INSERT DELAYED statement) at http://dev.mysql. com/doc/refman/5.0/en/insert-speed.html. Here s the onPostExecute() method: c# pdf manipulation How to disable " save as " option from PDF report which is ...
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1 Feb 2019 ... The PDF file will be uploaded using FileUpload control and will be ... Uploading the PDF files and then saving in SQL Server Database table. In order to make use of the validation-only mode of the form processor, as well as to return a JSON response of any errors, we must now make some changes to the registerAction() method of the AccountController class. If the request was submitted using Ajax, we want the method just to validate the form and return any errors by calling the sendJson() method we just created. Conversely, if the request wasn t submitted using Ajax, we want this method to behave as normal that is, to process the user registration and then redirect the confirmation page once complete. PDF::Writer is a pure Ruby PDF-creation library. This has the advantage of not requiring any outside libraries installed on the host operating system, which is unlike the LaTeX solution discussed in 6 or the html2ps solution discussed in 8. PDF::Writer is less flexible and slower than LaTeX, but it s also easier to learn and more Ruby-like. The html2ps solution is easy to learn, but slow, since it runs through multiple Using Zend_Controller we can easily determine whether a request came from an Ajax subrequest by calling the isXmlHttpRequest() method on the request object that is available inside controller actions. Internally, this method looks for the presence of the X-Requested-With HTTP header. If the value of this header is XMLHttpRequest, this method returns true. This header is not automatically set when using XMLHttpRequest to initiate HTTP subrequests, but Prototype will set this header automatically. This means the Prototype Ajax.Request class is compatible with the isXmlHttpRequest() method from the Zend_ Controller_Request_Http class. @Override protected void onPostExecute(Void unused) { Toast .makeText(AsyncDemo.this, "Done!", Toast.LENGTH_SHORT) .show(); } how to retrieve pdf file from database using c# C# Create PDF with easy PDF C# Library - PDF Online
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