close all process that use excel file before excel file upload

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i got this error "The process cannot access the file 'G:\ADMIN\Files\aaa.xlsx' because it is being used by another process" when i upload file to website:
below code:

VB

If FileUpload1.HasFile Then
            Dim Filename As String = Path.GetFileName(FileUpload1.PostedFile.FileName)
            
            Dim FolderPath As String = ConfigurationManager.AppSettings("FolderPath")

            Dim Filepath as string = Server.MapPath(FolderPath + Filename)

            FileUpload1.SaveAs(Filepath) // error comes at this line

Posted 28-Sep-13 8:05am

priyanshbhaliya

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[no name] 28-Sep-13 14:11pm

Okay so use a different filename or close whatever process has the file open.

JoCodes 28-Sep-13 15:30pm

Yes you have to check whether the file is already open , if so close and try uploading

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ZurdoDev · Answer 1 · 2013-09-28T10:01:00

If it is your code that has it open you can close it otherwise you may not be able to. The error is saying that you are trying to overwrite the file on the G drive but someone has it open. You should find out why someone has it open. Or, if it happens perhaps you could change the name of the file you are trying to save it as. But then you'll have a different copy.

Singh Gyan · Answer 2 · 2013-09-29T00:37:00

Solution 2

There must be some excel file open which you are accessing through your code. You need to close that file before using in your code.
- SG

Posted 29-Sep-13 0:37am

Singh Gyan

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priyanshbhaliya 30-Sep-13 2:09am

BUT when first time i upload it can't give any error but next time when i try to upload it gives an error and i directly open file is not open....