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This is essentially like converting a PDF page into an Image. ... You are required to do following code: Image image ... My question was not about images, but about PDF pages. ------------ ..... NOT a java.awt.image. It is only ... Defining nonqueried lookup parameter values So far, so good. But what if we want to restrict the user to select a year from a predefined list of years For example, it doesn t make sense to allow the user to type 2005 if there are no sales orders placed in that year. To accomplish this, we can define parameter available (lookup) values. In the Report Parameter dialog box, make sure that the Non-queried radio button is selected in the Available values radio group. Then, type the allowed years in the grid, as shown in figure 3.21. Let s also default the Year parameter to 2004 by entering this value as a Non-queried default value. Preview the report again using the Preview tab and note that the report is generated for the default year of 2004 and the Select Year field is now a drop-down list from which the user can pick one of the available values. With RS you are not restricted to static available values. You can make the list datadriven by basing it on a query or expression. If it is based on a query, you can specify which dataset column will be used for the default value. If the query results in more than one row, the first one is used. Next, let s see how to implement a data-driven lookup list based on a dataset retrieved from a stored procedure call. 3.4.4 Working with stored procedures To demonstrate query-driven lookups, let s pretend that users have requested the ability to filter out the product sales by territory by choosing the sales territory from a lookup list. To make the list data-driven, we will create a second dataset that will be pdf to png conversion java: java - Ghost4J PDF to image conversion - Code Review Stack Exchange convert pdf to image itext java Convert PDF to Image in Java: JPG PNG TIFF BMP | PDFTron
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Feb 23, 2017 · This java program uses Qoppa's jPDFImages to convert a PDF to PNG image files. A PNG image is created for each page contained in the PDF ... generated by a stored procedure. In addition, we will synchronize the Year and Territory parameters, so that only territories that have sales in that year will be shown. Because the Adventure Works 2000 database doesn t come with any stored procedures, I wrote a simple stored procedure called spGetTerritory that takes an @Year input argument. You can find the spGetTerritory source code in the sp.sql script found in the Database.dbp project. Stored procedures advantages As you ve seen, the Graphical Query Designer makes generating free SQL statement easy. However, the easy way is not always the right way. I highly recommend that in real life you use stored procedures instead of free SQL statements. Stored procedures offer the following advantages: Faster performance The database servers parse and compile the stored procedure statements. Reuse The SQL statements are located in one place and can be easily reused by another report. . . . . . . . . . . . . convert pdf to image using itext in java How to Convert PDF to JPEG/JPG in Java - pqScan.com
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Sep 2, 2012 · In the past, I created a NetBeans plugin for loading images as slides into NetBeans IDE. That means you had to manually create an image from ... Encapsulation As long as you keep the input and output the same, you can change the stored procedure inner implementation as much as you like. Security Stored procedures can be secured at a database level. In addition, using stored procedures could help preventing SQL Injection attacks. In SQL addition, a stored procedure can be used as a substitute of an expression-based query. Instead of using expression-based queries for example, to generate SQL WHERE clauses conditionally you can do this inside stored procedures. For these reasons, we use stored procedures in this book wherever it makes sense to do so. Using a stored procedure as a dataset query You can fill your report datasets with data from stored procedures. Let s see how using the Graphical Query Designer. Once you install the spGetTerritory stored procedure, make sure to grant EXECUTE permissions to the database login that the AW2000 Shared DS shared data source uses. The spGetTerritory procedure retrieves the list of the sales territories that have orders placed in a given year, as shown here: : : : : : : CREATE PROCEDURE spGetTerritory (@Year int) AS SET NOCOUNT ON SELECT DISTINCT ST.TerritoryID, ST.Name AS Territory FROM SalesTerritory ST INNER JOIN SalesOrderHeader SOH ON ST.TerritoryID = SOH.TerritoryID WHERE DATEPART(YY, SOH.OrderDate) = @Year ORDER BY ST.Name fd00::1(Preferred) fe80::1d63:a395:1442:30f0%10(Preferred) 192.168.0.1(Preferred) 255.255.255.0 String A series of letters and numbers. These can sometimes include spaces, To use this stored procedure as a source for the lookup dataset, follow these steps: Step 1 Create a new dataset dsTerritory and set the command type to StoredProcedure, as shown in figure 3.22. Step 2 Enter spGetTerritory in the Query text textbox or leave the query string blank at this point and click OK to select it later. The Graphical Query Designer shows the Stored Procedure drop-down list, which lists all stored procedures that the AW2000 Shared DS database login has permissions to execute. Select spGetTerritory, as shown in figure 3.23, and run the query. The designer displays the familiar Define Query Parameters dialog box. Step 3 Enter 2004 and click OK to see the stored procedure call results. Step 4 Now, open the dataset properties. Switch to the Parameters tab and observe that there is a @Year parameter and its value is set to Parameters!Year.Value. Because we already have a Year report parameter, which we needed for the first dataset, the designer has correctly linked the dsTerritory Year parameter to the Year report parameter. PARAMETER-DRIVEN REPORTS 97 java convert pdf to image convert pdf to jpg java code examples to ... | DaniWeb
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