How To Check Adobe Acrobat Reader On Client PC
Jan 28, 2010How to determine whether the Adobe Acrobat Reader has been installed or not on the client PC?
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Open PDF File In Adobe Acrobat On IIS Server From Client
May 3, 2010I read the thread on this topic and tried using "Process.start(mypdf.pdf)" to open the PDF file. I was able to get "Process.Start()" to work perfectly within VS2008 on the built-in server but not IIS; when I am in the development environment it works great, but when I deploy the application and run it it does not work. What happens when I run outside of the development environment, I can export the PDF file to the directory on the IIS server, and the client can also delete the file from the IIS server, BUT, inbetween the export and the delete commands, I have the Process.start command so that the user can open the file and do whatever they need to do; print it, print partially or save it locally ect.
After it exports the file to the server when the exectue "Process.start" occurs, the screen just blinks and there is no error message? I tried many options using Process.StartInfo but no luck. I also tried to to use Process.Start() with a text file (.txt) and had the same result, so it doesn't look like an adobe acrobat problem. I do have acrobat running on the clients as well as the server. I don't think it is a security issue being the exporting and deleting work. Is this the wrong command to use? The web server is IIS7, I am using VS2008 VB.NET and it is a Web application. I need to demo this to the client in 4 days and I need to have this working.
Print Pdf File In Acrobat Reader Using Javascript And Close It?
Feb 23, 2010we are displaying a reporting services report as a pdf document in acrobat reader. when the user clicks on the print in the acrobat reader, I will like to print the report and close the report. The user should be able to print the report only once.
View 2 RepliesWeb Services - Printing PDFs Server-side Using Acrobat Reader?
Apr 15, 2010I have been presented with a problem which requires me to print PDF files from a server as part of an ASP.NET web service.
The problem is further complicated by the fact that the PDF files I have to print can ONLY be printed using Adobe Reader (they were created using Adobe LiveCycle and have some strange protection in them).
This piece of code seems to do the trick in the Visual Studio development web server, but doesn't do anything when the site's running in IIS. I'm assuming this is probably some sort of permissions issue!?
Dim starter As ProcessStartInfo
Dim Prc As Process
' Pass File Path And Arguments
starter = New ProcessStartInfo("c:program files...AcroRd32.exe", "/t ""test.pdf"" ""Printer""")
starter.CreateNoWindow = True
starter.RedirectStandardOutput = True
starter.UseShellExecute = False
' Start Adobe Process
Prc = New Process()
Prc.StartInfo = starter
Prc.Start()
VS 2010 - Adobe Reader In Web Browser / IFrame
Jul 25, 2011Our ASP.NET application allows the users to review any number of PDF forms. A simple listbox holds filenames and the forms are displayed inside a standard iFrame. The setup is simple and effective: when the user clicks on a filename, that filename is loaded into the iFrame, and shown to the user.
Users are allowed to digitally sign the forms. For appearance purposes, a bitmap of the user' signature is generated and placed in the appropriate location of the PDF form.
The bitmap file format is GIF, and the background is transparent.
We use iTextSharp for form-filling, and we also use iTextSharp to place the bitmap on the forms. Nothing special.
We can readily verify that the signature bitmap is correctly placed on the form, and that the bitmap itself is definitely transparent.
Problem 1:
After placing the bitmap of the user' signature on the form, the form is reloaded and displayed to the user (for verification) and, in most cases, the forms do not display the bitmap. Opening the PDF reveal that the bitmap has been placed and is definitely visible in Adobe Reader (9 and 10 - these are the versions available for testing).
Experimentation and quite a bit of research seems to suggest that the problem lies in caching. One of the possible solution/suggestion is to append a time-stamp or a GUID to the URL, when loading the form after applying the bitmap. In theory, this should prevent Adobe Reader from using a cached copy of the PDF form.
We have tried appending a time-stamp and/or a GUID, without any success: the forms still display without the bitmap. At the risk of repeating myself: the PDF form is correctly signed, and the bitmap is correctly placed. It is just not visible.
This problem seems common to users running the application on intranet web servers (IIS 7). The one application instance running on public web server (IIS 7) does not seem affected by this problem.
Problem 2:
As mentioned, the GIF file generated by our application has a transparent background. In almost all cases, Adobe Reader (9 and 10) seems to understand and respect the transparency of the bitmap.
In one very peculiar case (when the application is running on a Windows 7 64 bit machine with IIS 7), when the bitmap is placed on the form, it becomes opaque (complete loss of transparency).
Again, the problem seems related to Adobe Reader, because the bitmap being applied positively sports a transparent background.
Finding Crystal Report, Pdf Conversion And Adobe Reader?
Jan 21, 2011My asp.net app used Crystal report to display as pdf file.
If I open the report in my pc (newest version, Adobe reader 9), it is ok but once I open app in web server (Adobe reader 8), it display a blank screen.
Controls :: Adobe Reader Could Not Open PDF Because It Is Not A Supported File Type
Dec 10, 2012I am using the code from: [URL] ....
Everything seems to work, expect when I try to open the PDF file Adobe Reader says:
"Adobe reader could not open 'filename.pdf' because it is either not a supported file type or because the file has been damaged (for example, it was sent as an email attachment and wasn't correctly decoded)."
I tried opening it in Adobe Photoshop and was not able to there either.
VS 2010 - How To Use The Adobe PDF Reader (AxAcriPDFLib) Control To Display Preview Of PDF Document
Jan 31, 2011In a VB.Net project I use the Adobe PDF Reader (AxAcriPDFLib) control to display a preview of a selected PDF document whereafter the user can double-click upon the selected listbox item to enjoy a full screen view of the relevant PDF document. see the attached sample in this regard. Is there any way to emulate this in ASP.Net?
View 5 RepliesStreaming To Pdf Causes "Adobe Reader Can't Open File" Error
Jan 15, 2011I am using VS 2010 and C#. I am trying to create a pdf file in web application. I am trying to convert a dataset to pdf file. The pdf file is getting generated, but when i try to open the pdf, i am getting the error as "Adobe reader could not open "sample.pdf" because it is either not a supported file type or because the file has been damaged" How to fix this?
View 4 RepliesDataSource Controls :: How To Check That Data Reader Is Null
Jun 4, 2010[Code]....
but if table is empty i.e. there is no record for Store_no=storeno then it bill_id = (Convert.ToInt32(reader[0]) + 1); give a Null exception.
I want to set bill_id=1 if there is no previous record in table of that particular store number. then How to do this.
i.e. How to check that reader[0] is null
cmd1 = new SqlCommand(" Select Max(Bill_No) From Bill_Record Where Store_no='" + storeno + "'", hookUp);
ADO.NET :: Can't Get Reader.hasrows And Reader.read To Work Together In Code Behind
Feb 22, 2011I have some code in my vb.net code behind that queries a database, and if there is data, outputs it from the codebehind to a datalist on my asp.net page. In addition to sending the data to the datalist on the page, I need to take the value from "mbillaty" that is returned from the sql query, and have that value be the selected value for a drop down box also on the page. I can get either the datalist to fill, or the selected value for the dropdown box to be selected depending upon which bit of code I place before the other (ARGH), but I can't get them to both work together on the page. What am I doing wrong?
[Code]....
How To Use The Acrobat Driver To Covert Web Page To Pdf
Jun 15, 2010How can i use the acrobat driver to covert web page to pdf , i have a icon on my browser. How can i use that in ASP.NET to convert the web page to pdf pro grammatically.
View 2 RepliesC# - Acrobat Opening In Full Screen Mode?
Jan 27, 2010I am having an issue with displaying a PDF in an iframe in asp.net. When the pdf shows up it is showing up without the Acrobat toolbar that allows the user to zoom and print. This is causing a major hassle for our customers because they cannot read the PDF in the size that it is. If you try and set Acrobat to not show the PDF in the browser and browse to that page you get a message saying that it is trying to open it in Full Screen mode. how I can make it not do this from the code? Below is the code I use to stream the PDF to the browser:
Public Shared Sub StreamPdfToBrowser(ByVal doc As Document)
Dim Ctx As HttpContext = HttpContext.Current
'// Clear any part of this page that might have already been buffered for output.
Ctx.Response.Clear()
Ctx.Response.ClearHeaders()
'// Tell the browser this is a PDF document so it will use an appropriate viewer.
Ctx.Response.ContentType = doc.DisplayFileType
Ctx.Response.ContentType = "application/pdf"
Ctx.Response.AddHeader("content-type", "application/pdf")
'// IE & Acrobat seam to require "content-disposition" header being in the response. If you don't add it, the doc still works most of the time, but not always.
'// this makes a new window appear:
Response.AddHeader("content-disposition","attachment[inline]; filename=MyPDF.PDF");
Ctx.Response.AddHeader("Content-Length", doc.DisplayFile.Length)
Ctx.Response.AddHeader("Content-Disposition", "inline; filename=E-Sign Specification Report.pdf")
'// TODO: Added by KN to possibly fix UA issue
Ctx.Response.ContentType = "application/pdf"
Ctx.Response.AddHeader("content-type", "application/pdf")
'// Write the PDF stream out
Ctx.Response.BinaryWrite(doc.DisplayFile)
'// Send all buffered content to the client
Ctx.Response.End()
End Sub
AJAX :: How To Check DB Connection On Client Side
Nov 2, 2010is there any way to check whether the DB connection is exist or not from aspx client side?
View 6 RepliesSpellchecking - Asp With Client Side Spell Check?
Mar 25, 2011whats the best client side spell check utility to use that would integrate well with asp.net/ c#?
View 1 RepliesCheck If Client Port Is Open And Forwarded [C#]?
Jan 29, 2010What is the best way to check if client has an open port, and if it's forwarded properly?The app works like this currently:Client creates a socket for incoming connections and wants to notify everyone about his open port. Client also tries to setup port forwarding using UPnP (but it's not always present and enabled).Client then sends his port to the "central" known server.Server should check if the port is open (forwarded properly) and return its status.If there is a forwarding problem, client will notify user.The goal is to have an the IP + port info saved on the server to be able to give it to other clients. I could try to open a Socket from server to client and see if it fails, but is there an easier (faster) way to do it?For example, this site does something like that: http://www.canyouseeme.org/
View 1 RepliesHow To Check If File / Software Exists On Client Machine
Jan 6, 2010I'm having some trouble trying to create a page for my web app. I'm not trying to write a simple download/upload page. Should also say that I'm not trying to write a complex one.What I need to do is in the PageLoad check if the user has installed one particular software and then show the right message to download and install OR run it from the user's actual installation. For this scenario I've tried to use different file upload controls to check if the file was on the client machine, but none of then can do this, since, for security reasons,I can't programmatically set the path and file to upload.
View 5 RepliesHow To Check If A Client Has SQLNCLI10 Provider Installed When Browsing?
Jan 7, 2011I have a c# website that allows a client to connect directly to a remote SQL Server database from their PC, bypassing the web server, by using a 3rd party ActiveX control. I was originally using the SQLOLEDB provider and it was working fine. The clients are in an internal network (using Windows machines and Internet Explorer) and the website is not intended for exposure to the general internet.
I had to upgrade from using the SQLOLEDB provider to the SQLNCLI10 provider to cater for the new datatypes in SQL Server 2008. It worked on my PC, but broke in production. What I didn't realise is that it worked because the SQLOLEDB provider is part of the Windows OS (MDAC/WDAC) so already exists on the client's PC. The SQLNCLI10 provider is included as part of SQL Server 2008 and has to be installed separately on the client machine (because most of them won't have SQL Server installed, but I do).
I can provide a link for them to download a standalone Microsoft SQL Server 2008 Native Client provider from, but how do I check if they already have it installed?
Check Page.Validate() On Client Side (Javascript) In Asp?
Oct 19, 2010I want to check page validation on client side, like Page.Validate() but its server side method, is there any client side function which can work like Page.Validate() with javascript.
View 2 RepliesAdobe Popping Out Of Browser
Jun 2, 2010Im building a web application that displays a xfdf document. When we are testing in adobe 5 and we can't stop adobe opening outside the webpage. The user clicks the report and it should open in the browser but instead it opens in adobe it appears to work in everything but adobe 5. We have previously done this with out any problems. Any ideas? This is a snippet of the xfdf
<?xml version="1.0" encoding="UTF-8" ?><xfdf xmlns="http://ns.adobe.com/xfdf/" xml:space="preserve"> <fields> <field name="fld_AccomAttic"> <value>0</value> </field> <field name="fld_AccomBathroom"> <value>1</value> </field> <field name="fld_AccomBedrooms"> <value>3</value> </field> <field name="fld_AccomCellars"> <value>0</value> </field> <field name="fld_AccomGarages"> <value>Off</value> </field><f href="{report name}"/></xfdf>
Web Forms :: How To Use Adobe Illustrator File
Oct 22, 2010If a web designer created a Adobe Illustrator file with 10 templates for the website, can I use the file in the asp.net web form?
View 1 RepliesMVC :: How To Use Adobe Live Cycle Forms
May 17, 2010I have a requirement in my application like we have adobe live cycle designer forms it is embeded in aspx pages. how to use it in mvc.
View 2 RepliesWeb Forms :: Import Done Adobe Fireworks Slice
Mar 1, 2010Need to check with you all does it possible to import the slices created using Adobe Fireworks into a .apsx web form ? First time using Fireworks, not sure Visual Studio 2008 support external importing or not.
View 1 RepliesC# - Apply Client Side Validation On Fileupload Control To Check Filename Contain Special Character?
May 24, 2010I am working on ASP.NET3.5 platform. I have used a file upload control and a asp button to upload a file. Whenever i try to upload a file which contain special characterlike (file#&%.txt) it show crash and give the messeage "Server Error in 'myapplication' Application." A potentially dangerous Request.Files value was detected from the client (filename="...New Text &#.txt"). Description: Request Validation has detected a potentially dangerous client input value, and processing of the request has been aborted. This value may indicate an attempt to compromise the security of your application, such as a cross-site scripting attack. You can disable request validation by setting validateRequest=false in the Page directive or in the configuration section. However, it is strongly recommended that your application explicitly check all inputs in this case.
Exception Details: System.Web.HttpRequestValidationException: A potentially dangerous Request.Files value was detected from the client (filename="...New Text &#.txt"). Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. how can i prevent this crash using javascript at client side?
SQL Reporting :: To Open Adobe Flash Player9 From Rdlc
Apr 23, 2010I am using rdlc in .net 2008. i made a column in rdlc as hyperlink and on clicking the hyperlink i want to open a adobe flash player.
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