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- Visual basic datatype driver#
- Visual basic datatype software#
- Visual basic datatype code#
- Visual basic datatype professional#
MsgBox "Could not read file, check the path.",, "File Not Found" MsgBox "Clob inserted into DB from " & ClobSourcePath & ClobFileName,, "Clob Inserted" Fields("CLOBFIELD").Value = mStream.ReadText MStream.LoadFromFile ClobSourcePath & ClobFileName ' Read the text file into the stream buffer Rs.Open "Select * from LOB_TABLE", cn, adOpenKeyset, adLockOptimistic ' *** This event will insert a CLOB from a file into the database *** MsgBox Err.Number & " - " & Err.Description,, "Error Msg"
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MsgBox "Could not write file.",, "File Already Exists" MsgBox "Clob saved to file as " & ClobDestPath & ClobFileName,, "Clob Saved" MStream.SaveToFile ClobDestPath & rs.Fields("FIELD").Value ' This saves the stream to a file on disk MStream.WriteText rs.Fields("CLOBFIELD").Value ' This writes the text file from the clob field to the buffer ' Set the character set for you particular type of text data Rs.Open "Select * from LOB_TABLE where FIELD = '" & ClobFileName & "'", cn, _ ' 'clobtest.txt' is the name of a TEXT file that has been stored in LOB_TABLE in the db ' *** into the database and save it as a file. ' *** This event will take a CLOB that has already been inserted *** ' Uncomment the connectivity method you wish to use ' Set up the name and locations of the source and destination paths of the CLOB file ' Set up the name and locations of the source and destination paths of the BLOB file ' Set up you ODBC and OLE DB connect strings hereĬonst ODBCConnectString = "DSN=oracleu UID=scott PWD=tiger "Ĭonst OLEDBConnectString = "Data Source=geoff User ID=scott Password=tiger " ' CLOBs with VB using the ADO Object Model with Stream objects.
Visual basic datatype code#
' The following code contains examples of inserting and retrieving BLOBs and This sample was taken from Sample Code Repository (SCR) Entry 1388. * Oracle Provider for OLE DB version 8.1.7, 9.0, or 9.2
Visual basic datatype driver#
* Oracle ODBC Driver version 8.1.7, 9.0, or 9.2
Visual basic datatype software#
* Oracle client software version 8.1.7, 9.0, or 9.2 * Microsoft Data Access Components (MDAC) version 2.6 or 2.7 * Microsoft Visual Basic 6.0 service pack 5 Check over the script to ensure that errors of Tabs, and carriage returns), this script may not be in an executable state PROOFREAD THIS SCRIPT BEFORE USING IT! Due to differences in the way textĮditors, e-mail packages, and operating systems handle text formatting (spaces, Into the 'C:\Temp' folder on your computer. You are now ready to run the sample code. Create a table to hold the LOBs by executing the following SQL*Plus statement:ġ0. Uncomment the ConnectivityMethod constant to designate the method for accessingĩ. Parameters for connecting to your database.Ĩ. Set the value of the ODBCConnectSTring and the OLEDBConnectString constants to valid Set the ClobFileName constant to the name of a text file and put this file intoħ. tif, etc., and put this file in the 'C:\' folder.Ħ.
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Set the BlobFileName constant to the name of a binary file, such as. Paste the entire sample code below into VB's code window.ĥ. Object = (General) and procedure = (Declarations) section of the code window. View the code of the VB form and make sure it is blank. On an empty VB form add four command buttons with the following properties:Ĥ. * Microsoft ActiveX Data Objects 2.6 (or 2.7) Libraryģ.
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Open a new Standard EXE project in Visual Basic.Ģ. Run the sample from within the Visual Basic development environment.ġ. Requires access to the EMP table in the SCOTT demo schema.
Visual basic datatype professional#
Platform Windows 95, 98, NT, 2000, and XP Professional Oracle Provider for OLE DB, versions 8.1.7, 9.0, and 9.2 Product Name, Product Version Oracle ODBC Driver, versions 8.1.7, 9.0, and 9.2 The following Visual Basic code takes a binary file and text file and uses the ADO stream object to store and retrieve data from an Oracle database using both Oracle's ODBC Driver and OLE DB Provider. Here's a technical note which could help you: