convert pdf to image using c#.net : Creating a secure pdf document software SDK project winforms wpf .net UWP MyPHPGenerator4-part1139

Customizing web pages
38
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types,
and  sizes
of
uploaded
files in the
same way
as for File
upload.
To
limit
the
size
of
uploaded
images,
use
the
Use image
size
limitation
options,
and
set
the
necessary
Max
width and
Max
height.
Upl
oa
d
file
to
fol
de
r,
Upl
oa
d
im
ag
e
to
fol
de
r
To
use
the
column  to
store
paths  to
uploaded
files,
setup  the
Folder  to
upload
and
the
File  name
using
templates
.
To
use
a
random
number as
filename,
check the
Generate
random
filename
box.
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Creating a secure pdf document - C# PDF Digital Signature Library: add, remove, update PDF digital signatures in C#.net, ASP.NET, MVC, WPF
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Creating a secure pdf document - VB.NET PDF Digital Signature Library: add, remove, update PDF digital signatures in vb.net, ASP.NET, MVC, WPF
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4.1.1.4
Inline Insert and Inline Edit
The  Inline Insert/Inline Edit  features  allow  a  user  to  add/edit  the  content  of  the
generated page quickly without having to switch modes or screens. All work is done on
the same interface which helps the user maintain context. 
To enable the inline inserting/editing:
· Make sure that the Inline Insert (Inline Edit) option is ON at the Page
properties
.
· Specify the columns to be available for inline inserting(editing) at the Inline Insert
(Inline Edit) tab of the Page
Editor
.
· If necessary define  the way the column  data to be represented on inserting/
editing. By default, it is represented as it is set at the Edit/Insert properties of
the General
tab.
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C# Create PDF Library SDK to convert PDF from other file formats
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4.1.1.5
Templates
String templates are used by PHP Generator for MySQL on setting HREF templates, hints,
etc. The strings may contain column names enclosed by %.
Examples:
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1. Suppose a table 'team' stores various info about NBA teams. The table has 'caption'
column with such data:
maverics
cavaliers
To create links to the team home pages:
http://www.nba.com/maverics/
http://www.nba.com/cavaliers/
set the HREF template
http://www.nba.com/%caption%/
2. Suppose there is a table 'employee' storing employee info. The table has 'first_name'
and 'last_name' columns with such data:
Forest Gump
Sara Connor
To add such hints to their photos on the generated webpage:
Forest Gump Photo
Sara Connor Photo
Specify the hint template:
%first_name% %last_name% Photo
4.1.1.6
Uploading files to webserver
There are two ways to store files on a webserver:
1. Store files directly in the database (in BLOB columns).
2. Store files on a disk. Database stores the paths to the files in this case.
Uploading files to be stored in a database
To allow the uploading of files and images to a BLOB column, select File Upload or Image
Upload at the column's Edit properties and Click the ellipsis button next to Edit properties
and set the additional parameters of the uploading.
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To limit the size of uploading files, check the Use file size limitation option and specify
the Max file size. 
To store original  names, types,  and  sizes  of  the  uploaded  files,  specify  the  proper
columns as File name field, File type field, and File size field respectively. (Optional)
For image uploads you can limit the dimensions of uploaded images. For this purpose,
check the Use image size limitation options, and set the necessary Max width and Max
height.
Example
To allow uploading images which size is not greater than 200Kb, width is not greater
than 600px and height is not greater than 400px and to save the original file names to
the file_name column, specify the Edit properties as follows:
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Uploading files to be stored on a disk 
To allow the generated PHP script to upload files to your webserver and save their paths
in your database, select Upload file to folder or Upload image to folder at the column's
Edit properties and click the ellipsis button next to Edit properties and set the additional
parameters of the uploading.
Specify the folder to upload and names for uploaded files: a random number or a new
name composed of original file name, original file extension and the size of original file.
Example:
Suppose we have files:
sqlite_maestro.exe  (14563609 Bytes)
mysql_maestro.exe  (27241901 Bytes)
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To upload them using the generated PHP script to the data/files/ folder as 
sqlite_maestro (14563609).exe
mysql_maestro (27241901).exe
Specify the Edit properties as follows:
4.1.2
Master-Detail Presentations
Master-detail presentations are used to display a list of detail (child) records related to
a selected record on the page (master record).
Example
Suppose,  we  have  two  tables  'city'  and  'country'  linked  with  foreign  key
'fk_city_country':
See definitions here
CREATE TABLE country (
country_id   integer NOT NULL,
country      varchar(50) NOT NULL,
/* Keys */
PRIMARY KEY (country_id)
);
CREATE TABLE city (
city_id      integer NOT NULL,
city         varchar(50) NOT NULL,
country_id   integer NOT NULL,
/* Keys */
PRIMARY KEY (city_id),
PHP Generator for MySQL Help
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© 2010 SQL Maestro Group
/* Foreign keys */
CONSTRAINT fk_city_country
FOREIGN KEY (country_id)
REFERENCES country(country_id)
);
Output script with the enabled master-detail representation is as follows:
By  default, the  Details  tab  contains  detail  presentations created according to  the
master-detail relationships (if Setup
details
by
foreign
key
option
is enabled). You can
create  your  own  detail presentations  manually  and  edit  existing  ones  within  Detail
relation editor (the  Add or Relation properties links at the popup menu of the tab area
respectively). 
Detail relation editor
Specify here the data source for detail presentation and set the relationship between
the master and detail data. 
To customize the appearance of the detail records, follow the Edit link of popup menu to
open the Detail page editor - the same window as Page
editor
but without Details
tab.
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Use  the Reset  and  Reset all links  of  popup  menu to  setup  detail pages  properties
according to the generation
rules
.
4.1.3
Events
Event is a fragment of PHP/Javascript  code  executed  before or after a record  was
added, edited, or deleted, etc. Therefore events allow you to define some actions that
will be  activated  when  certain  conditions  are  met.  All  events  are  grouped  into  2
categories: Client side events and Server side events. Client side events are written on
Javascript and executed by browsers while Server side events are written on PHP and
executed by webserver.
Working with events
To add/edit an event handler, select the necessary event in the list and double-click the
Code column or use Ctrl+Enter. Then type PHP code in the Event Editor window. 
To  temporarily  disable/enable  an  event,  select  the  appropriate  line  in  the  list  and
uncheck/check the corresponding Enabled box.
Using variables
PHP  Generator  for  MySQL  supports  some  environment  variables  (such  as
CURRENT_USER_ID, CURRENT_USER_NAME, UNIQUE_ID) in events. To obtain a complete
list of supported variables, uncomment  the  define('SHOW_VARIABLES', 1);  line  in  the
generated settings.php file and open any generated web page. The following example
demonstrates how to use variables within the OnBeforeInsertRecord event.
Example:
$rowData['ip_address'] = $this->GetEnvVar('REMOTE_ADDR');
$userName = $this->GetEnvVar('CURRENT_USER_NAME');
if ($userName != 'admin')
$rowData['changed_by'] = $userName;
PHP Generator for MySQL supports the following events:
Client side events:
OnBeforePageLoad
Occurs  before  page  loading.  Allows  you  to  declare
functions and global variables.
OnAfterPageLoad
Occurs after page has been fully rendered. This event
does not get triggered until all assets such as images
have been completely received and DOM hierarchy has
been fully constructed.
OnInsertFormValidate
Occurs before submitting the insert  form. This allows
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errors to be  detected on the client before the form is
submitted, thus avoiding the round trip of information
necessary for server-side validation.
Parameters:
fieldValues- associative array of values contains user
input.
errorInfo  -  object  that  provides  interface  (the
SetMessage  method)  to  set  a  validation  error
message.
Example:
if (fieldValues['percents'] < 0 || fieldValues['percents']
> 100)
{
  errorInfo.SetMessage('Percent  value  should  be
between 0 and 100.'); 
return false;
}
OnEditFormValidate
Occurs before  submitting  the  edit  form.  This  allows
errors to be  detected on the client before the form is
submitted, thus avoiding the round trip of information
necessary for server-side validation.
Parameters:
fieldValues- associative array of values contains user
input.
errorInfo  -  object  that  provides  interface  (the
SetMessage  method)  to  set  a  validation  error
message.
Example:
if (fieldValues['percents'] < 0 || fieldValues['percents']
> 100)
{
  errorInfo.SetMessage('Percent  value  should  be
between 0 and 100.'); 
return false;
}
Server side events:
OnBeforePageExecute
Occurs  before  all  page  events  has  been  declared.
Allows to create global objects, declare functions, and
include third-party libraries.
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