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Transfer data from .csv file into SQL table via vb.net
Posted on 2011-09-09
I need to convert an MS Access program to VB.NET and move the back end to SQL Server. The current program reads a .csv file and via docmd.transfertext, pull the data from the csv file into the table. How would I do that in VB.Net?
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Active today
Try this, I can help if it doesn't quite do what you need. I think you'll be pleased with this solution however.
http://www.daniweb.com/software-development/vbnet/threads/52051
http://www.daniweb.com/software-development/vbnet/threads/52051
sl8rz,
I'm gettng an error on MSDASQL, I believe because its for an OLEDB. The data is being transferred into a SQL table. How would I change the line below if it's being read into a SQL Table.
"Select * " & _
" INTO HospitalInvoice.dbo.[Hospi
"FROM OPENROWSET('MSDASQL','Driv
Thank you so much for your help!
I'm gettng an error on MSDASQL, I believe because its for an OLEDB. The data is being transferred into a SQL table. How would I change the line below if it's being read into a SQL Table.
"Select * " & _
" INTO HospitalInvoice.dbo.[Hospi
"FROM OPENROWSET('MSDASQL','Driv
Thank you so much for your help!
Active today
Is there a Schema.ini file in your csv's directory? If so, open it and change the 'ColNameHeader=True' line to 'ColNameHeader=False'.
Attached is the error message I am getting. Should I have a Schema.ini file? Your help is greatly appreciated.
Error.doc
Error.doc
I am new to this. My understanding after some research is that the Schema.ini file is similar to the specification in Access. Do you have a sample Schema.ini file so I can see the format and then I can create the file in the directory where the .csv file is located? Thank you!
Did you try the approach here
http://stackoverflow.com/questions/96448/sql-bulk-import-from-csv
Also look at examples here
http://www.databasejournal.com/features/mssql/article.php/10894_3331881_2
http://stackoverflow.com/questions/96448/sql-bulk-import-from-csv
Also look at examples here
http://www.databasejournal.com/features/mssql/article.php/10894_3331881_2
CodeCruiser,
For the Bulk Import, I would create a stored procedure in my SQL Database, correct? How would I call that procedure from VB.Net? This is a windows application. Thank you so much for your help.
For the Bulk Import, I would create a stored procedure in my SQL Database, correct? How would I call that procedure from VB.Net? This is a windows application. Thank you so much for your help.
sl8rz
Is the DefaultDir clause the directory (folder) where the text file is located? Thank you for your help!
Is the DefaultDir clause the directory (folder) where the text file is located? Thank you for your help!
CodeCruiser,
I read a little on the bulk insert and it sounds like what I want. as it is very quick. I have a table already created and I tried to create a stored procedure to do the import. I can't get that to work. I need to have a process that can be run from a windows application, which either drops and then creates the table and imports the data or clears the existing table and imports the data. Is a store procedure the right way to go? Can you call a script from VB.NET? Could you possibly help me with the code? I would truly appreciate your help. This is an important project and I'm sinking!
Thank you.
Kathy
I read a little on the bulk insert and it sounds like what I want. as it is very quick. I have a table already created and I tried to create a stored procedure to do the import. I can't get that to work. I need to have a process that can be run from a windows application, which either drops and then creates the table and imports the data or clears the existing table and imports the data. Is a store procedure the right way to go? Can you call a script from VB.NET? Could you possibly help me with the code? I would truly appreciate your help. This is an important project and I'm sinking!
Thank you.
Kathy
Active today
Still there? Sorry for dropping off like that...big weekend. I'll keep looking into this for you. I'm sure we'll get it working for you; it is a commonly encountered request. Please, let me know where you are at this point.
I've attached the error I was getting in Error.doc. Below is my code. If I understanding what I've read correctly, it should create a Schema.INI file in the directory where the data file exists. If that's correct, it's not happening. Any help would be greatly appreciated!
If File.Exists(sHospDataFile) Then
Try
conn.Open()
' ------ Load the data from the .CSV file: ----------
Dim strSQL As String
strSQL = "Select * " & _
" INTO HospitalInvoice.dbo.[Hospital Billing Data SQL] " & _
"FROM OPENROWSET('MSDASQL','Driver={Microsoft Text Driver (*.txt; *.csv)}; DEFAULTDIR=C:\Data\; Extensions=csv; HDR=No;','SELECT * FROM HospitalInvoicesData.csv') "
Dim objCommand As SqlClient.SqlCommand
objCommand = New SqlClient.SqlCommand(strSQL, conn)
objCommand.CommandText = strSQL
objCommand.ExecuteNonQuery()
conn.Close()
Catch ex As Exception
sResultText = sResultText & "<BR>" & ex.Message
MsgBox(sResultText)
End Try
End If
I'll attach it again. Error.doc
I copied it to c:\Data\ to see if the problem was that I was trying to access it off the server - \\cimadhoc\Data Sources\hospitalinvoicesda
If File.Exists(sHospDataFile) Then
Try
conn.Open()
' ------ Load the data from the .CSV file: ----------
Dim strSQL As String
strSQL = "Select * " & _
" INTO HospitalInvoice.dbo.[Hospital Billing Data SQL] " & _
"FROM OPENROWSET('MSDASQL','Driver={Microsoft Text Driver (*.txt; *.csv)}; DEFAULTDIR=\\cimadhoc\Data Sources\hospitalinvoicesdata.csv; Extensions=csv; HDR=No;','SELECT * FROM HospitalInvoicesData.csv') "
Dim objCommand As SqlClient.SqlCommand
objCommand = New SqlClient.SqlCommand(strSQL, conn)
objCommand.CommandText = strSQL
objCommand.ExecuteNonQuery()
conn.Close()
Catch ex As Exception
sResultText = sResultText & "<BR>" & ex.Message
MsgBox(sResultText)
End Try
End If
s18rz
I also tried the bulk insert option that codecruiser suggested. I'm getting an error that the csv file cannot be accessed. Could the errors I am getting with the option you suggested be related to access of the data file? Our network administrator is looking into the issue and we've tried a number of things with no luck. Any ideas? Attached is that error Error2.doc
I also tried the bulk insert option that codecruiser suggested. I'm getting an error that the csv file cannot be accessed. Could the errors I am getting with the option you suggested be related to access of the data file? Our network administrator is looking into the issue and we've tried a number of things with no luck. Any ideas? Attached is that error Error2.doc
Active today
Using a stored procedure is a more robust solution, so let's work that option for now.
The error is saying that the csv file can not be opened in that location; is it there in that folder? Also, let's see the script for the stored procedure.
The error is saying that the csv file can not be opened in that location; is it there in that folder? Also, let's see the script for the stored procedure.
The file is there and I can access it. Attached is the stored procedure script. I truly appreciate your help!
ALTER PROCEDURE dbo.InsertHospitalData
as
begin
BULK INSERT [Hospital Billing Data SQL]
FROM '\\Cimadhoc\Data Sources\HospitalInvoicesData.csv'
WITH
(
FIELDTERMINATOR = ',',
ROWTERMINATOR = '\n'
)
END
Sorry about the delay in my reply. As already mentioned, stored procedure would be a preferred choice though you can execute scripts direct from your program as well.
You isolate the problem, try using the csv from the C drive.
You isolate the problem, try using the csv from the C drive.
I get the same error when I try to run the stored procedure against the csv file inmy c:\Data\HospitalInvoicesDa
I provided some mis-information. The error message was cut off and I assumed it was the same as the drror message when the datafile was on the cimadhoc server. If the data file is in the C:\Data\ folder the error message is:
Could not bulk insert because file 'C:\Data\HospitalInvoicesD
It appears that my project folder for Visual Studiio 2008 is pointing to my MyDocuments folder which is on a server, no my local workstation. Not sure if that has any affect on SQL Server finding my C:\ drive. I'm grasping here, but wanted to give you all the information that I have about my configuration.
Could not bulk insert because file 'C:\Data\HospitalInvoicesD
It appears that my project folder for Visual Studiio 2008 is pointing to my MyDocuments folder which is on a server, no my local workstation. Not sure if that has any affect on SQL Server finding my C:\ drive. I'm grasping here, but wanted to give you all the information that I have about my configuration.
And as one last ditch effort, I copied the csv file to My Doucments folder (\\kfs\users\l92241) and I got the same error message I got when it's located on the Cimadhoc server.
Active today
Let's try this:
Find out what the path is for your sql server's project folder. Put the csv file there and change the script to look for it in that folder. We know that sql server CAN access it's own project folder, so try that just as a test.
Find out what the path is for your sql server's project folder. Put the csv file there and change the script to look for it in that folder. We know that sql server CAN access it's own project folder, so try that just as a test.
Sorry for the delay - had to drive home.
Ok - SQL Server is installed on the server. I found a project folder under \Microsoft SQL Server\MSSQL\FTData \SQLServer \ Projects. Is that the folder? I'm going to copy it there and see what happens. If that's not the folder you are referring to, please let me know. Thank you!
Ok - SQL Server is installed on the server. I found a project folder under \Microsoft SQL Server\MSSQL\FTData \SQLServer \ Projects. Is that the folder? I'm going to copy it there and see what happens. If that's not the folder you are referring to, please let me know. Thank you!
OK - this may be a stupid questions, but how do I reference the c:\ drive on another server is it's not shared out?
Server = \\KSQLDB
File Path = C:\Program Files\Microsoft SQLServer\MSSQL\FTDATA\SQL
Server = \\KSQLDB
File Path = C:\Program Files\Microsoft SQLServer\MSSQL\FTDATA\SQL
Active today
Referencing any folder residing on another computer requires that the other folder be shared in some way.
But if you have access to it anyway then you can use
\\KSQLDB\c$\...
>Operating system error code 3
This error usually means that the file is there but SQL server is unable to access it.
\\KSQLDB\c$\...
>Operating system error code 3
This error usually means that the file is there but SQL server is unable to access it.
I used the following path\filename:
'\\KSQLDB\c$\Program Files\Microsoft SQLServer\MSSQL\FTDATA\SQL
and got the following error message:
Could not bulk insert because file '\\KSQLDB\c$\Program Files\Microsoft SQLServer\MSSQL\FTDATA\SQL
'\\KSQLDB\c$\Program Files\Microsoft SQLServer\MSSQL\FTDATA\SQL
and got the following error message:
Could not bulk insert because file '\\KSQLDB\c$\Program Files\Microsoft SQLServer\MSSQL\FTDATA\SQL
I sent an email to our network administrator asking if he could tempoarily create a share to the project folder so we could test. I''m in meetings this morning but will check back to see if he was able to create the share.
BTW, on KSQLDB, we are running SQL Server 2000. It's slated to be upgraded sometime this Fall.
Thank you again for all your hellp.
BTW, on KSQLDB, we are running SQL Server 2000. It's slated to be upgraded sometime this Fall.
Thank you again for all your hellp.
Dave created the share and I tested it. Worked like a charm. Worse case is that I have to copy the file to that directory... Can I easily do that in my code? I'm off to meetings, but will be back later.
Active today
Good to hear you are making progress.
Yes, moving a file in your VB code is very easy. It's in the IO namespace, here is an example:
Yes, moving a file in your VB code is very easy. It's in the IO namespace, here is an example:
System.IO.File.Move('C:\myFolder\myFile.csv', '\\myNetworkPlace\myFileCopy.csv')
First of all, I'd like to thank both of you for your help. This was definitely a life saver. I have a meeting tomorrow that I can now give a positive report on. I found the code to copy the file from the \\cimadhoc server to the share on \\ksqldb\projects. Along with the bulk copy I have the data in the e table. It's very fast!
Since you both helped, I'd like to split the the points if that's okay. Let me know.
Since you both helped, I'd like to split the the points if that's okay. Let me know.
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