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Hi, I have a vb application, which contains lots of calculation and I am converting that application to asp.net C#. There are so many variables of double types in the vb application and I also took double in the c# for those variables. Now problem is that I do calculation with the same equation in both the application, however result value does not match. I have a variable var1 in vb the calculate double value is 1.63870925710649 (for vb) and 1.6387092571064941 (for c#), I do not understand why these values are different for the same datatype. And I have to use this variable in my equation, since both language has different value, this may be the reason of different final output. Some times I have to break the same equation into two or more equations for the C# , to get the same result in C# and sometimes I get the same result. But sometimes I get the value in c# which does not match the value of vb. I do not understand which calculation is right vb or C#.
Pankaj
modified on Tuesday, December 8, 2009 2:16 AM
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Both calculations are correct, except that the precision in C# is more than precision in VB
1.63870925710649 [VB]
1.6387092571064941 [C#]
Just round off the value the number of digits required and use it!
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Thanks for your replay. But this is not the problem. How do I know how much digit I have to round up. There are more than 100 double variables and more than 100 complex calculation, then its very difficult to round each and every variable or calculated value, however in vb they did not use any round method.
Pankaj
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I understand that it can really be a pain in your scenario. How about doing the rounding off at specific check points?
BTW, what is the system precision that is expected??
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Can you provide an example of a calculation which doesn't give the same results?
There are some subtle differences in math between C# and VB which could explain it.
David Anton
Convert between VB, C#, C++, & Java
http://www.tangiblesoftwaresolutions.com
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can anyone have code to make media player with sql based multi user playlist in asp.net.For example you can see in.com listen section playlist.
please help me.
thanks in advance
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Media player cant be created using Asp.net.
You need to use flash or silverlight or any browser component to build the media player.
Html doesnt have the capability to show video. 
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but Abhishek i have created media player in asp.net with the help of java script now the problem is i want to pass the URL of the songs(which is saved in database) in to player through cookies but it not works plz help me to come out from this problem.......
Thanks in advance
ARUN
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Hi..
the response.clear erases html output but doesnot erase any headers. i need to clear whole page.
according to MSDN
The Clear method erases any buffered HTML output. However, the Clear method erases only the response body; it does not erase response headers.
Can anybody provide some assistance on how to clear the header as well...
Thanks
Mark
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You can use
Response.ClearHeaders()
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Thanks, i will try response.clearheaders . though havent tried it but i firmly believe that it should work
Thanks again
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Hi,
I am writting an ASP.NET application in VS 2008. I have some COM component written in VC++ 6.0 as a DLL. I Have add reference of COM DLL in my ASP.NET application. In my application I am calling methods from COM DLL which I want to debug but I am not able to debug my COM DLL. Can any one help me how to debug? I am using IE8 on my machine.
thanks in advance.
Yudhisthira
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Hi
I created web project in 2005 and opened in 2008 .
now this error i am getting
Error 27 The type 'System.Web.Script.Services.ScriptServiceAttribute' exists in both
'c:\WINDOWS\assembly\GAC_MSIL\System.Web.Extensions\3.5.0.0__31bf3856ad364e35\System.Web.Extensions.dll'
and 'c:\WINDOWS\assembly\GAC_MSIL\System.Web.Extensions\1.0.61025.0__31bf3856ad364e35\System.Web.Extensions.dll'
How to solve this?
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Hi,
take a look in your web.config. All referenced assemblies must be listed there. Remove the entry for the System.Web.Extensions.dll version 1.0.61025.0 and try again.
Let me know if this helps.
Regards
Sebastian
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VS 2008 has built in support for ajax which was not present in VS 2005 that is why you are facing this error.
Try this
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in your Project you have referenced an Assembly with this Version 1.0.61025.0 and you opened your Project VS 2008 and Automatically it added 3.5.0.0 now you need to use one. Remove the old one that targets 2.0 <b>1.0.61025.0</b> and leave the 3.5 one. remove it in the webconfig.
Vuyiswa Maseko,
Spoted in Daniweb-- Sorry to rant. I hate websites. They are just wierd. They don't behave like normal code.
C#/VB.NET/ASP.NET/SQL7/2000/2005/2008
http://www.vuyiswamaseko.com
vuyiswa@its.co.za
http://www.itsabacus.co.za/itsabacus/
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Hi all
I have on datalist in which i have placed a linkbutton with oncommand property set to ShowPopUP() function
In Code behind i have shown the popup e.g modelpopupextender.Show()
Now i have two problems
1. The popup panel contains one textbox. Everytime when i click on linkbutton a (,) is concatenated in textbox value. I dont know why
2. I have putted the both the datalist and modelpopup extender under update panel. when OKbutton of modelpopupextender still do the postback
Any Solution??
One person's data is another person's program.
--J.Walia
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Hi! I have the next problem: I have a master page which has a textbox and a Web Content Form which is built from my master page. In the Web Content Form I have a button and I when I press it, I want the text from the textbox to update. For example when I view in browser my Web content form when I press my button, the text from the textbox should look like "You've press a button". Can anyone help me? Thanks!
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1) Double Click on ur button, u will get .cs file
2) after that write below code
TextBox1.Text = "U Have pressed a button";
I Hope it will work for u
Regards
Lalit Manik
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Hi frnds,
I hv a code to get width and height of image in a file. Image is stored in folder and imagename in database.. I'm using asp.net 2.0 and sqlserver 2005.
Dim width,Height as integer
ImgPath = "~/Photos/" & ImgName
Dim fullSizeImg As System.Drawing.Image = System.Drawing.Image.FromFile(ImgPath)
width = fullSizeImg.Width
Height = fullSizeImg.Height
This works only in localhost. But after uploading to server it is not working. Is ther any other method to get the width and height of the image from server..?
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The most common problem when something "works locally, but not on the server", is because the path that you are expecting your images to be in either doesn't exist on the server, or you don't have permissions to access it.
Check those first, then get back to us with more details about the error that you are getting.
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Sir, Thank you for reply..
There is permission for folder and path is also exist.
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Okay, so assuming they exist (and the file also exists), what is the actual error you are receiving?
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