c# add watermark to existing pdf file using itextsharp

Using iTextSharp To Watermark/Write Text To Existing PDF's ...
May 11, 2008 · First off, yes, I know there are other tutorials on how to watermark PDF's with iTextSharp. Unfortunately none of them showed me exactly what I ...

Rather than add the select button yourself, you can choose Enable Selection from the GridView s Tip

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You don t need to create a new column to support row selection. Instead, you can turn an existing column into a link. This technique is commonly implemented to allow users to select rows in a table by the unique ID value.

JSP Page (View) Model (JavaBeans)

To use this technique, remove the CommandField column, and add a ButtonField column instead. Then, set the DataTextField to the name of the field you want to use.

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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.

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Windows Add a text watermark on PDF in C# sample in C# for ...
15 Oct 2014 ... Save Text from PowerPiont to .txt/.doc in C# ... This sample shows how to add text watermark on every PDF pages in a document using free Spire. PDF with C# . ... C# , ASP.NET, WPF, c# control.

This field will be underlined and turned into a button that, when clicked, will post back the page and trigger the GridView.RowCommand event. You could handle this event, determine which row has been clicked, and programmatically set the SelectedIndex property of the GridView. However, you can use an easier method. Instead, just configure the link to raise the SelectedIndexChanged event by specifying a CommandName with the text Select, as shown here:

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Add Watermark to PDFs using iTextSharp – An eye for change….
16 Apr 2015 ... ... you can use iTextSharp in c# projects to add watermark to your PDFs. ... methods for the purpose of adding Watermark text for PDF Pages.

add watermark to pdf c#

Add Watermark to PDFs using iTextSharp – An eye for change….
16 Apr 2015 ... Add Watermark to PDFs using iTextSharp . This tutorial focuses on how ... This method adds watermark text under pdf content /// </summary>

As demonstrated in the previous chapter, you can draw a value out of a control and use it to perform a query in your data source For example, you can take the currently selected item in a list, and feed that value to a SqlDataSource that gets more information for the corresponding record This trick is a great way to build master-details pages pages that let you navigate relationships in a database A typical master-details page has two GridView controls The first shows the master (or parent) table When a user selects an item in the first GridView, the second GridView is filled with related records from the details (or parent) table For example, a typical implementation of this technique might have a customers table in the first GridView Select a customer, and the second GridView is filled with the list of orders made by that customer.

Then we enable and disable the compass rose as appropriate:

Database (HSQL)

To create a master-details page, you need to extract the SelectedIndex property from the first GridView and use that to craft a query for the second GridView However, this approach has one problem SelectedIndex returns a zero-based index number that represents where the row occurs in the grid This isn t the information you need to insert into the query that gets the related records Instead, you need a unique key field from the corresponding row For example, if you have a table of products, you need to be able to get the ProductID for the selected row In order to get this information, you need to tell the GridView to keep track of the key field values The way you do this is by setting the DataKeyNames property for the GridView This property requires a comma-separated list of one or more key fields.

Each name you supply must match one of the fields in the bound data source Usually, you ll have only one key field Here s an example that tells the GridView to keep track of the CustomerID values in a list of customers:.

Once you ve established this link, the GridView is nice enough to keep track of the key fields for the selected record. It allows you to retrieve this information at any time through the SelectedDataKey property. The following example puts it all together. It defines two GridView controls. The first shows a list of categories. The second shows the products that fall into the currently selected category (or, if no category has been selected, this GridView doesn t appear at all). Here s the page markup for this example:

@Override public void onResume() { super.onResume(); me.enableCompass(); } @Override public void onPause() { super.onPause(); me.disableCompass(); }