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It all depends on what you are doing and what environment it is. If this is a windows application also written in C#, then yes, use the C#.
There are only 10 types of people in the world, those who understand binary and those who don't.
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Original application is written in C++ (see for more code on the other question I linked above), and I need to rewrite to C#
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Hi
I am new to C#, I wrote a code to prepare a *.xlsx file now I need to attach that file as an email attachment and send, but by doing that Thae mail body contains some junk data and also it is not giving any exceptions to catch.
Please help
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Help with what? You haven't shown us the code that builds the email message so it's pretty much impossible to tell you what you did wrong.
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Message Closed
modified 29-Sep-15 9:30am.
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Hello!
i am working on Point of sale project. i am using devexpress for tile view in winform. how to create a dynamic Tile view and on click event i want to send category id and want to get the subcategory data. i tried alot but couldn't find any good solution.
PLEASE guide me SO I CAN MOVE FORWARD.
Thanks
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Please read this post[^] then edit your question to provide more detail.
[EDIT - Note that I have suggested that you edit this post. Do not repost the same question yet again - see your earlier post[^]
This is twice you have been advised to post more detail. Help us to help you
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Hi ,
i am creating pdf using iTextsharp dll , now i want some free/open source dll which will be a control to view the pdf in winform . I dont want any com component or webbrowser control to view . i need no dependencies too. I am finding it very challenging, can any help me with my RnD ?
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Anthony Fernando wrote: i want some free/open source dll
Then you need to post your requirements to Google.
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Well, if you don't want any dependencies, you're going to have to rely on writing your own. There is a PDF specification but it's not a trivial thing to read, or implement. This article[^] shows you how many libraries you are going to have to replicate parts of.
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Hi Pete ,
I have seen that article.
what are the other ways to view pdf document ?
PDFviewer or Adobe reader can be used from component but i dont want to use that.
Is there any other dll which will allow me to display pdf in winform ?
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Hi Garth
Do you SPire.PDFViewer dll will allow me to display pdf while which will contain on 10 Pages?
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from their web page "Free version is limited to 10 pages of PDF when viewing and printing PDF files."
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That's a limited version of a commercial control which regularly appears in spam messages in these forums and QA. I'm surprised your message made it through the spam filter. 
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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bvgger - didn't know that ....
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If you want "no dependencies", why are you creating PDF's?
Instead, create a plain text file; or an .RTF; or convert the PDF to XPS; or anything else that has "no dependencies" (outside of that provided by Windows and .NET).
If it's simply for "viewing in WinForms", then the format of the input should not be limited to only PDF's.
And why view in WinForms at all? Just "process start" whatever PDF viewer a user has installed (and probably prefers).
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i am trying to understand async and await concept. so i am make sample program when i run this program take 8 seconds to execute if i execute without async and await it also take 8 second to execute. so what is wrong in this program.
protected async void btnSubmit_Click(object sender, EventArgs e)
{
Response.Write(DateTime.Now.ToString("dd-MM-yyyy:hh:mm:ss") + " <br/>");
//dowork();
await Task.Run(() => dowork());
// await Task.Run(() => DoAnotherWork());
DoAnotherWork();
Response.Write(DateTime.Now.ToString("dd-MM-yyyy:hh:mm:ss") + " <br/>");
// btnSubmit.Text="Done it";
}
void dowork()
{
Thread.Sleep(5000);
}
void DoAnotherWork()
{
Thread.Sleep(3000);
}
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How long would you expect it to complete in? You have 8 seconds worth of operation in there. I assume that you think that dowork will happen at the same time as DoAnotherWork. That's not the way that await operates. It's not, despite what you may think, something that pushes an operation off to another thread and continues processing in that thread - instead, it suspends the operation of the current method until the awaited operation completes. So, you end up with an 8 second delay.
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yes, i was thinking it should completed in 5 seconds. So please clarify to me await and async concept.
thanks your help
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I just have clarified it for you. The await keyword suspends the method until the task it's waiting on completes, then it moves onto the next operation in the chain. I'm not sure how else I can put this for you.
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thanks Peter for your help
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Anil0007 wrote: i was thinking it should completed in 5 seconds
Well, if you modify your code something like this, it "might" run in 5 seconds..
Task t0 = Task.Factory.StartNew(() => dowork());
Task t1 = Task.Factory.StartNew(() => DoAnotherWork());
await Task.WhenAll(t0, t1);
You have just been Sharapova'd.
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