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28 Aug 2014 ... I am developing one application using visual studio 2012 in vb . net .In that application i am using webbrowser control .I want to open pdf file ...
You can only turn archiving on at the table level. You can t turn archiving on for the entire database. By default, the database doesn t archive any changes. You can enable flashback data archiving for a table by specifying the FLASHBACK ARCHIVE clause when you create the table, as shown here: SQL> CREATE TABLE test1 (name empno salary FLASHBACK ARCHIVE; VARCHAR2(30), NUMBER(4) NOT NULL, NUMBER) MyEventTarget +Method1() vb.net itextsharp pdfreader Free PDF Viewer Component - Read/View/Print PDF in C#, VB . NET ...
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Net so that it could crawl PDF. ... outFile = null; try { // Create a reader for the given PDF file PdfReader reader = new PdfReader(inFileName); //outFile = File. In the previous example, I don t specify a name for the Flashback Data Archive. The database stores the historical data in the default Flashback Data Archive as a result. I can specify a particular Flashback Data Archive by adding the name for the archive, as shown in the following example: SQL> CREATE TABLE test1 (name VARCHAR2(30), empno NUMBER(4) NOT NULL, salary NUMBER) FLASHBACK ARCHIVE flash1; You can also turn flashback data archiving on for an existing table by issuing the ALTER TABLE statement, as shown here: SQL> ALTER TABLE employee FLASHBACK ARCHIVE; To disable flashback data archiving for a table, issue the following statement: SQL> ALTER TABLE employee NO FLASHBACK ARCHIVE; vb.net pdf viewer component Adobe PDF Reader Control | Adobe Community - Adobe Forums
What I meant by preview, is to place the "Adobe PDF Reader" control, in a Visual Basic .NET 2013 form, and once the user selects PDFfile, ... vb.net pdf viewer component PDF viewer VB . NET 2010 tutorial - ByteScout
PDF viewer for VB . NET 2010 tutorial shows how to view PDF file from your application using PDF Viewer SDK for Visual Basic . NET . It installs a control that you ... Using the Flashback Data Archive imposes certain limitations on the type of DDL statements you can issue. You can t issue the following types of DDL statements on a table that you enabled for a Flashback Data Archive: An ALTER TABLE statement that drops, renames, or modifies a table column An ALTER TABLE statement that performs partition operations A DROP TABLE or a TRUNCATE TABLE statement A RENAME TABLE statement You can use a Flashback Data Archive for querying historical data, auditing, as well as recovering from data errors. The following examples illustrate how you can utilize the Flashback Data Archive in different situations. Method1() vb.net pdf viewer [Solved] Open PDF file Using VB . Net Application - CodeProject
Have you googled? Here is a forum post on MSDN with a solution: vb.net pdf viewer Embed PDF into a VB . NET form using Adobe Reader Component
What is the best way of embedding adobe pdf document in a VB . Net form with 100% compatibility? I believe most of you remember the good adobe reader ... Using the AS_OF clause in a query, you can access the historical data stored in the Flashback Data Archive, as shown in the following query: SQL> select transaction_number, doctor_name, count from patient_info as of timestamp to_timestamp ('2009-01-01 00:00:00', 'YYYY-MM-DD HH23:MI:SS'); You can also use the AS_OF clause to recover from logical errors. In the following example, an employee by the name of Zlotkey has a current income of $10,500, as shown by the following query: SQL> SELECT username, salary FROM HR.EMPLOYEES WHERE last_name='Zlotkey'; SALARY ------10500 SQL> The human resources department makes a wrong update to the EMPLOYEES table, when it raises Zlotkey s salary by $50,000 instead of $500, as shown here: SQL> UPDATE hr.employees SET salary=salary+50000 WHERE last_name='Zlotkey'; 1 row updated. SQL> commit; Commit complete. SQL> Suppose you learn about the wrong update about two hours after it was made. Simply issue the following statement using the AS_OF clause to correct the error: SQL> update hr.employees set salary = (select salary from hr.employees as of timestamp (systimestamp - interval '120' minute); where last_name='Zlotkey') where last_name='Zlotkey'; 1 row updated. SQL> commit; Commit complete. SQL> Note that at no time do you have to access or query the history table that the database maintains to track the transactional changes to a table s data. The AS_OF clause ensures that the database looks up the relevant information in the history table that supports the Flashback Data Archive. The clause SYSTIMESTAMP INTERVAL '120' MINUTE will retrieve the values from two hours ago. You can also specify seconds, days, and months in this clause, as shown in the following examples: systimestamp interval '60' second systimestamp interval '7' day systimestamp interval '12' month You can access historical data to create reports that encompass data from the past. Specify the VERSIONS BETWEEN TIMESTAMP clause to retrieve old values of a table s columns, as shown in the following example: SQL> SELECT * FROM patient_info VERSIONS BETWEEN TIMESTAMP to_timestamp('2009-01-01 00:00:00','YYYY-MM-DD HH23:MI:SS') AND MAXVALUE WHERE name ='ALAPATI'; The query shown here retrieves all versions of the data you selected between January 1, 2009, and today. Figure 5-3. Using a .NET delegate to reference a target method directly MyDelegateType is a delegate declared to reference a method having a given signature. At run time, object1 uses delegate1 to reference Method1 of object2. Listing 5-1 shows a C# implementation. Listing 5-2 shows a VB .NET implementation. Listing 5-1. A Simple C# Event Source and Target public class MyEventSource { public delegate void MyDelegateType( ); public MyDelegateType delegate1; public void FireDelegate1( ) { if (delegate1 != null) delegate1(); } } public class MyEventTarget { public void MyMethod( ) { } } Listing 5-2. A Simple VB .NET Event Source and Target Public Class MyEventSource Public Delegate Sub MyDelegateType( ) Public delegate1 As MyDelegateType vb.net webbrowser control open pdf PDF Viewer Control Without Acrobat Reader Installed - CodeProject
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