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views:

408

answers:

2
+2  Q: 

C# export to excel from sql server

In my C# windows application, I am exporting sql server data to excel on remote drive. But it is too slow. However, if I export data to excel in the local drive, it is fast.

How can I increase the time if I want to export data to remote drive?

Thanks in advance...

+2  A: 

If it is an option for you, export to the local drive and then copy/move the exported file to the remote drive.

JonathanK  2010-03-08 13:13:18
+1  A: 

Export to a temp folder on the local machine, copy it to the network and then delete the file from the temp folder. You could even do the copy and delete on a separate thread so the UI's not blocked.

Chris Conway  2010-03-08 13:17:39
this seems to be a fantastic solution...thanks..
Manish Gupta  2010-03-09 04:04:04
how's about marking my answer as the solution?
Chris Conway  2010-03-09 19:05:53
I have created a temporary excel file and then copied to the destination. But when I try to delete the temporary file, it throws exception that the file is in use.
Manish Gupta  2010-03-10 05:12:53
can you post the code?
Chris Conway  2010-03-10 13:04:27
Here is the code:File.Copy(sourceFile,destFile,true);File.Delete(sourceFile); //Here it is throwing the exception
Manish Gupta  2010-03-10 14:12:53
perhaps try File.Move(sourceFile, destFile); make sure to do this first though:if (File.Exists(destFile)) File.Delete(destFile);
Chris Conway  2010-03-10 21:57:39
I have already tried [File.Exists(destFile)] but it does not work.It seems that after copying the file the source file is not released for some time.So, I added following code...System.Threading.Thread.Wait(1000);File.Delete(sourceFile);Then it worked. But it blocks the UI for 1sec.Is there other method I can use?I also cannot use File.Move(sourceFile,destFile) because if the destination already consists similar filename, then it does not work.Thanks in advance...
Manish Gupta  2010-03-11 04:40:39
right, i'm saying get rid of file.copy and then file.delete() and just do this: if (File.Exists(destFile)) File.Delete(destFile); File.Move(sourceFile, destFile); This will delete the file first from the destination directory and then move the new file there. This way you don't need to worry about copying the file, waiting one second and then deleting it.
Chris Conway  2010-03-11 16:23:33
Thanks...It worked.
Manish Gupta  2010-03-12 04:49:42
no problem, glad to help.
Chris Conway  2010-03-12 13:05:13

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