Converting Pdf File To Images Using C#
Aug 16, 2010using c#,i need to Convert each page of a pdf file into separate images and display the images?
is it possible to do this without using 3rd party dll?
using c#,i need to Convert each page of a pdf file into separate images and display the images?
is it possible to do this without using 3rd party dll?
I wanted to know, if there is any way to convert a Powerpoint presentation [on the server] to images. Like, I have written a same code for the Desktop using PIA's. But was wondering if it is possible to do the same thing on the server?
View 3 Replieswhen i convert tiff file to pdf in debug mode it converted successfully but when i host it on localhost it didn't convert and throw an exception:
Cann't make pdf files. Try again.System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID {71DBCBF1-587B-42E4-9B30-74B80F4AA70F} failed.
does someone know the utility/procedure for converting an ASP.net project containing multiple files into one executable (.EXE) file?
View 3 RepliesMy client gave me .DAT database file. But I am not know how to use it or how to attach it to the sql server.
View 3 RepliesI am looking for a way to design a simple HTML file, and in runtime - to load it as string to the c#.
I am trying to File.Open it, but it resides in a different location than the binary code.
is there a simple way to tell the build process to load it into a string?
I need to used openForecast.jar in my asp.net app, for that i read here and there and found IKVM, when i wrote in cmd
ikvmc openForecast.jar
then i got warning message like this
D:BobbyTelkom Projectikvm-0.44.0.5in>ikvmc OpenForecast-0.4.0.jar
Note IKVMC0002: output file is "OpenForecast-0.4.0.dll"
Warning IKVMC0100: class "org.jfree.data.time.TimeSeries" not found
Warning IKVMC0100: class "org.jfree.data.time.RegularTimePeriod" not found
Warning IKVMC0100: class "org.jfree.data.time.TimeSeriesDataItem" not found
Warning IKVMC0111: emitted java.lang.NoClassDefFoundError in "net.sourceforge.op
enforecast.input.TimeSeriesBuilder.<init>(Lorg.jfree.data.time.TimeSeries;)V"
("org.jfree.data.time.TimeSeries")
Warning IKVMC0111: emitted java.lang.NoClassDefFoundError in "net.sourceforge.op
enforecast.input.TimeSeriesBuilder.<init>(Lorg.jfree.data.time.TimeSeries;Ljava.
lang.String;)V"
("org.jfree.data.time.TimeSeries")
Warning IKVMC0111: emitted java.lang.NoClassDefFoundError in "net.sourceforge.op
enforecast.input.TimeSeriesBuilder.build()Lnet.sourceforge.openforecast.DataSet;
"
(org.jfree.data.time.TimeSeries")
Warning IKVMC0111: emitted java.lang.NoClassDefFoundError in "net.sourceforge.op
enforecast.input.TimeSeriesBuilder.build(Lorg.jfree.data.time.TimeSeriesDataItem
;)Lnet.sourceforge.openforecast.DataPoint;"
("org.jfree.data.time.TimeSeriesDataItem")
Warning IKVMC0111: emitted java.lang.NoClassDefFoundError in "net.sourceforge.op
enforecast.output.TimeSeriesOutputter.output(Lnet.sourceforge.openforecast.DataP
oint;Ljava.lang.String;)V"
("org.jfree.data.time.TimeSeriesDataItem")
I also found that openForecast consist of about 6 class files and 3 subFolder which each contains several class files..how to fix it (since the documentation of IKVM itself still getting me nowhere)
I have a file with .wsdl and i want .asmx file from that,Is there any way of converting file from .wsdl to .asmx .
View 1 RepliesI'm retrieving a binary file from the database, a .pdf file that I would like to let the user open and view. From what I can tell, there are two steps to do this:
1. Convert binary file to byte array
2. Convert byte array to file content
Here's what I've got so far:
[Code]....
This isn't working and I'm having a heck of a time trying to find a solution. I'm getting a blue squiggly under c1.docData in the Dim bArray line.
I got this error in a project I did a while back. I think this was a web site project that i converted to a web app project. This was a while ago. This is an app I'm trying to run on my local machine. I'm not using IIS.
Does anyone know what this means?
Error 2
It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS.
C:UsersKristDocumentsVisual Studio 2008ProjectsWeb AppsKrist Woodard .net tabbedWebApplication1WebApplication1Web.config 46
Here's what I have in my ASPX file:
<form id="form1" runat="server">
<table border="1" width="100%">
<tr><td>Firstname</td><td>Lastname</td></tr>
<tr><td><%=Request.Querystring("fname")%></td></tr>
</table>
</form>
Here's what I have in my aspx.vb file:
Imports System.IO
Partial Public Class MyexcelPage
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Response.Clear()
Response.Buffer = True
Response.ContentType = "application/vnd.ms-excel"
Dim stringWriter As StringWriter = New StringWriter()
Dim htmlTextWriter As HtmlTextWriter = New HtmlTextWriter(stringWriter)
Me.RenderControl(htmlTextWriter)
Not sure what to do after this or if the above will do anything.
What are my options for turning a grid of data in my webpage turn into an excel file.
Is it best for me to return data to the server for the excel file to be made...
I've seen IE open excel files kind of natively - how is that done? Can I hyjack that functionality somehow??
i have code in .cs class file
i need it in .vb
i used conversion tool for converting
but i feel its not proper as i am not able to reference it in my page
is there any other way
Is it better to store images directly in a database or to just store the name of the file in the db and display that file? I would think that just storing the filename of the image would keep the db size low...
View 1 Repliesi have a csv file which has S.no and Url of the 1500 images : i need to save all the images at a time how can i do it in .net with C# ?
View 3 RepliesI have class Item with properties Id, Name, ImageFileName etc.
Controller:
[Code]....
View:Create strongly typed view of Item class.
How can I display Image from file system?
[Code]....
this line gives me the error: Cannot convert lambda expression to type 'char' because it is not a delegate type
Is there any way to integrate images in my sitemap toolbar instead of the default text? And if so how?
View 4 RepliesI need to use images in my ASP.NET MVC application that are not included in the application, but are saved in the file system of the server under the c/documents folder.
How can I get these images?
I have a AppHelper class that looks like this and will use to get the path
[Code]....
then in my view i will use this the get that image
[Code]....
I need a place to store images. My first thought was to use the database, but many seems to recommend using the filesystem. This seems to fit my case, but how do I implement it?
The filenames need to be unique, how to do that. Should I use a guid?
How to retrieve the files, should I go directly to the database using the filename, make a aspx page and passing either filename or primary key as a querystring and then read the file.
What about client side caching, is that enabled when using a page like image.aspx?id=123 ?
How do I delete the files, when the associated record is deleted?
I would like to know which is better? Storing images in BLOB or in the File System ? I've got around 400 to 5000 images.
And at run time there are chances where I'll need to retirieve about 100 - 150 images.
I'm rendering charts on my website using the Google Charts API and I want to export these into a report for the users, most likely a PDF file. What methods are available to do this programmatically into a PDF file?
View 2 RepliesAssumptions: Microsoft stack (ASP.NET; SQL Server).
Some content management systems handle user-generated content (images, file attachments) by storing it in the file system. Others store these items in the back end database.
Some examples of both:
[code]....
What's the best approach, and why? What are the pros and cons of keeping user files in the database? Is there another approach?
I have been looking for the best way to obtain the total number images in a folder where the first two characters on the file name are XX and place this number into a variable.So for example - I have a folder containing the following images:
XX-01.jpg
XX-02.jpg
XX-03.jpg
YY-01.jpg
ZZ-01.jpg
So I would populate the variable with 3 in this case.Does anyone know of any way to do this?
I have made a cms where images can be uploaded. Now I have a problem that my images need to resize (in right proportion) depending on the screensize.
View 3 RepliesWhen selecting an image for an item in file upload control of ajax toolkit (AsyncFileUpload), the only files that should be displayed are ".jpg, .jpeg, .gif, .bmp, or .png".
I currently can see every type of file.