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this code doesn't work fully



 
 
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  #11  
Old June 5th, 2010, 08:44 PM posted to microsoft.public.access.forms
Douglas J. Steele[_3_]
external usenet poster
 
Posts: 3,143
Default this code doesn't work fully

Hold on, my one answer was inaccurate! If all you're doing on the second
command button is reading the data from the file, open it for Input, not
Output!

Open "C:\Accounts\Users\" & username & ".txt" For Input As #intFile

You'd use

Open "C:\Accounts\Users\" & username & ".txt" For Output Shared As #intFile

if you were doing both reads and writes in the same routine.


--
Doug Steele, Microsoft Access MVP
http://www.AccessMVP.com/djsteele
Co-author: "Access 2010 Solutions", published by Wiley
(no e-mails, please!)



"Douglas J. Steele" wrote in message
...
"Bob H" wrote in message
...

Update:
I have used this line to create a text file with given information:

Open "C:\Accounts\Users\" + username + ".txt" For Output As #1
Print #1, Text23
Print #1, Text25


I guess I should have highlighted in my previous reply that you should
never refer to file handles by hard-coded numbers. While it may work fine
for you, if other applications are reading or writing to files at the same
time, you can run into problems. You should ALWAYS use the FreeFile
function, even if you're positive no other applications will ever be
running concurrent with yours.

Dim intFile As Integer

intFile = FreeFile()
Open "C:\Accounts\Users\" & username & ".txt" For Output As #intFile
Print #intFile, Text23
Print #intFile, Text25

You should also use & for concatenating text, not +.

But now on another cmd button I want access to read that said information
in that text file, and grant access.
With this line:

Open "C:\Accounts\Users\" + username + ".txt" For Output As #2
Input #2, openfile
If username.Text = openfile Then
Input #2, datafile


Try using

Open "C:\Accounts\Users\" & username & ".txt" For Output Shared As #2

Access throws up a runtime error 54 'Bad File mode' at Input #2 ,
openfile openfile

Also the information in the previously created text file has been
deleted.


As you've found, opening a file For Output deletes the previous file if it
exists. use For Append. That will create the file if it doesn't already
exist, and append to the file if it does.

--
Doug Steele, Microsoft Access MVP
http://www.AccessMVP.com/djsteele
Co-author: "Access 2010 Solutions", published by Wiley
(no e-mails, please!)





  #12  
Old June 5th, 2010, 09:16 PM posted to microsoft.public.access.forms
Douglas J. Steele[_3_]
external usenet poster
 
Posts: 3,143
Default this code doesn't work fully

Just for the sake of completeness, Daniel's reply is correct. Somehow the
required spaces didn't appear in the post.

username = Me!Text23 & vbNullString
If Len(username) = 0 Then
MsgBox "Enter a Username !"
Else
If Len(Me!Text25 & vbNullString) = 0 Then



--
Doug Steele, Microsoft Access MVP
http://www.AccessMVP.com/DJSteele/AccessIndex.html
Co-author: "Access 2010 Solutions", published by Wiley
(no private e-mails, please)


"Bob H" wrote in message
...
Thanks for the coding but now I get runtime error 2465 at the line:
username = Me!Text23& vbNullString.

Thanks

On 04/06/2010 20:21, Douglas J. Steele wrote:
There is no App object in Access.

Private Sub CreateAcc_Click()
Dim intFile As Integer
Dim username As String

username = Me!Text23& vbNullString
If Len(username) = 0 Then
MsgBox "Enter a Username !"
Else
If Len(Me!Text25& vbNullString) = 0 Then
MsgBox "Enter a Password !"
Else
intFile = FreeFile()
Open CurrentProject.Path& "\Accounts\Users\"& username& ".txt"
For
Output As #intFile
Print #intFile, Me!Text23
Print #intFile, Me!Text25
Close #intFile
End If
End If

End Sub





  #13  
Old June 6th, 2010, 10:33 AM posted to microsoft.public.access.forms
Bob H[_4_]
external usenet poster
 
Posts: 161
Default this code doesn't work fully

On 05/06/2010 20:44, Douglas J. Steele wrote:
Hold on, my one answer was inaccurate! If all you're doing on the second
command button is reading the data from the file, open it for Input, not
Output!

Open "C:\Accounts\Users\" & username & ".txt" For Input As #intFile

You'd use

Open "C:\Accounts\Users\" & username & ".txt" For Output Shared As #intFile

if you were doing both reads and writes in the same routine.



Ok, this is the code I am using to login to an account, using account
creation files.
Basically I want Access 2007 to read a previously created file, which
has the username and password in it. Once it has been read, then access
is granted to the whatever.

Private Sub cmdLogin_Click()
Dim openfile As String
Dim datafile As String
Dim intFile As Integer
openfile = Text1
datafile = Text2

If Text1 = "" Then
MsgBox "Please Enter a Username"
Else
If Text2 = "" Then
MsgBox " Please Enter a password"
Else
intFile = FreeFile()
Open "C:\Accounts\Users\" & Text1 & ".txt" For Input As #intFile

Input #2, openfile I am getting a runtime error here as before

If Text1 = openfile Then
Input #2, datafile
If Text2 = datafile Then
MsgBox "Granted Access"
Else
MsgBox "Denied Access"
End If
End If
Close #2
End If
End If
End Sub

I know there is something wrong with it at that line but I don't know
what else to change it to.

Thanks
  #14  
Old June 6th, 2010, 02:49 PM posted to microsoft.public.access.forms
Douglas J. Steele[_3_]
external usenet poster
 
Posts: 3,143
Default this code doesn't work fully

You've still got the #2 everywhere in your code! That should be #intFile.

--
Doug Steele, Microsoft Access MVP
http://www.AccessMVP.com/djsteele
Co-author: "Access 2010 Solutions", published by Wiley
(no e-mails, please!)



"Bob H" wrote in message
...
On 05/06/2010 20:44, Douglas J. Steele wrote:
Hold on, my one answer was inaccurate! If all you're doing on the second
command button is reading the data from the file, open it for Input, not
Output!

Open "C:\Accounts\Users\" & username & ".txt" For Input As #intFile

You'd use

Open "C:\Accounts\Users\" & username & ".txt" For Output Shared As
#intFile

if you were doing both reads and writes in the same routine.



Ok, this is the code I am using to login to an account, using account
creation files.
Basically I want Access 2007 to read a previously created file, which has
the username and password in it. Once it has been read, then access is
granted to the whatever.

Private Sub cmdLogin_Click()
Dim openfile As String
Dim datafile As String
Dim intFile As Integer
openfile = Text1
datafile = Text2

If Text1 = "" Then
MsgBox "Please Enter a Username"
Else
If Text2 = "" Then
MsgBox " Please Enter a password"
Else
intFile = FreeFile()
Open "C:\Accounts\Users\" & Text1 & ".txt" For Input As #intFile

Input #2, openfile I am getting a runtime error here as before

If Text1 = openfile Then
Input #2, datafile
If Text2 = datafile Then
MsgBox "Granted Access"
Else
MsgBox "Denied Access"
End If
End If
Close #2
End If
End If
End Sub

I know there is something wrong with it at that line but I don't know what
else to change it to.

Thanks


  #15  
Old June 6th, 2010, 05:11 PM posted to microsoft.public.access.forms
Bob H[_4_]
external usenet poster
 
Posts: 161
Default this code doesn't work fully

On 06/06/2010 14:49, Douglas J. Steele wrote:
You've still got the #2 everywhere in your code! That should be #intFile.


Thanks for your time and help, as that has done the job for me now.
 




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