If we build an application using visual foxpro, using the mysql database server, then connection string is better than odbc. Ive begun doing some preliminary data warehousing of vfp data into mysql in order to test the speed, similar to what i did a few posts back with advantage database server. Sqlstringconnect without login dialog on error in vfp. Dec 19, 2007 visual foxpro passes the connection string to the odbc driver. Unlike sqlconnect, sqlstringconnect requires a single parameter, a string of semicolondelimited options that describes the remote data source and optional connections settings. I cant open the view when i dont have a connection inculded with the sql views using sqlstringconnect microsoft. Visual foxpro odbc driver sql server microsoft docs. Ray tawil connect to sql server database from visual foxpro 9. There are two ways to use the sqlconnect function to connect to a remote data source, such as sql server. Were ready to build the sql database and load the data. Odbc ii cant connect to postgresql with vfp 8 date. The visual foxpro odbc driver ignores the szuid, cbuid, szauthstr, and cbauthstr arguments.
There are many features for using database server with vfp but a few major reasons for using other databases are as follows. Query and update visual foxpro views and tables from microsoft access. What i mean by this is i perform a select statement against the sql server backend to create a local vfp cursor that i use to bring the sql server backend table into a vfp cursor that i can now manipulate. Dealing with text, ntext, image pointer problem from vfp. Vfp cant connect to sqlserver database using the same. I try to work with all my sql server backend tables as local cursors. Server specifies the name of the sql server to connect to. In visual foxpro, using 32bit odbc drivers on 64bit windows. I want to try postgresql with vfp 8 sp1, but i cant. Option3 serverstrconn sqlstringconnectlcstringconn. Apr 21, 2018 06 conexion odbc driver con sqlstringconnect desde visual foxpro a sql server.
Now that i have the connection what i need are a few specific examples to help me actually make use of the connection. You can also choose a data source from the select connection or data source dialog box, which appears when you call sqlstringconnect without cconnectstring. Endtext lnhandlesqlstringconnectdriversql native client 11. Good evening, sqlserver management studio can connect to a sqlserver database using a trusted connection and the administrateur account. For more information, see sqldriverconnect in the odbc programmers reference. Creating the sql database and loading your tables building. Have foxpro vfp 8 connecting to mysql server locally using sqlstringconnect. Convert function gets date from sql server datetime field.
Building a visual foxpro application for sql server why. Visual foxpro passes the connection string to the odbc driver. Local lnh lnh sqlstringconnect driver odbc driver for sql server. I am trying to create a sql that uses just a sqlstringconnect to access the sql server. The first requires that you supply the name of a data source as defined in the odbc data source administrator applet of the control panel. If we use connection string, we no longer need to set the datasource odbc on client computers that will access the mysql database server. Table 1 lists some commonly used connection string options for sql server 7. If the data source name is not specified, the driver manager prompts the user for the information depending on the setting of the fdrivercompletion argument and then continues. There are two functions that can be used to establish a connection with the a remote sql server from visual foxpro. Use microsoft query to query and update visual foxpro data from microsoft excel worksheets. Unfortunately, using an ipv6 address to connect to the server did not help. I believe the ms sql driver is a native microsoft driver but i couldnt get it to work and the ms sql freetds driver works fine and is blazingly fast so dont worry about it.
The first requires that you supply the name of a data source as. When i try to connect remotely to mysql server using the same sqlstringconnect it fails. Even cooler, youll do it with no code to change when you move from dbfs to sql tables, and an upsizing wizard to migrate the data for you. The application just crashes without providing any reason. Other visual foxpro sql commands provide the functionality of the view and connection designers on remote data sources.
Here is an example of code on how to connect from vfp to the sap b1 hana database. Visual foxpro, a 32bit application, runs just fine on 64bit machines. I have established a working connection using the odbc 3. Sqlstringconnect does not create a shared connection. This has been alluded to in a few places, but i want to get this down so i dont forget it. Connect call with sqlstringconnect and then capture the connection handle to run your sqlexec commands. Unlike sqlconnect, sqlstringconnect requires a single parameter, a string of semicolondelimited options that describes the. Microsoft visual foxpro is a powerful objectoriented environment for database construction and application development. However i am trying to find out a full list of the attributes that can be sent in this string to the odbc driver.
It seems to work correctly since i do not have intricate programs, just related databases. You can use the name of your server instead of the string. In the system dsn the ip address of the server is specied, not localhost. Local lnh lnh sqlstringconnectdriverodbc driver for sql. Store the return value to use as the nstatementhandle for subsequent function calls specify an odbc dsn nstathand sqlstringconnect awhr or an odbc connection string nstathand sqlstringconnect driver sql server. How to connect to sql server from visual foxpro sql. In visual foxpro, using 32bit odbc drivers on 64bit.
Unlike sqlconnect, sqlstringconnect requires a single parameter. Specifies the data source connection string required by some open database connectivity odbc drivers. I want to stop this sql server login dialog box from apearing i want user to see only my message box. Find out how to use a data access layer in foxpro, which gives you the ability to use dbfs, sql server, a webconnection xml server, or xml web services. Since mysql cant just use vfp tables the way advantage can, i created a script. Visual foxpro cannot use 64bit odbc drivers however. How to create a ms sql server connection visual foxpro.
Connection is a local one this is the code i use it always gives me couldnt. For more information, see sqlconnect in the odbc programmers reference. The sqlstringconnect function is used to connect to a data source. From the popupmenu that opens select ms sql freetds you may have noticed that there are two ms sql drivers but the ms sql freetds driver is the one to use. Recital 9 saw the introduction of the visual foxpro compatible remote data. The code above uses wwsql for plain foxpro replace the. The easy way is to open the enterprise manager and create the mdf and ldf files yourself, estimating the initial size of each. Were investigating the possibility of using sql server 2017s link.
Yes, i meant i am using sql server 2008 r2 but i am trying to do this from vfp. The following example creates a visual foxpro connection named northwind and then. For example, with the microsoft visual foxpro odbc driver you can do the following. How to use visual foxpro odbc drivers to connect to sap b1.
I am using sqlstringconnect to connect to from vfp6 to sql7. How to connect to sql server from visual foxpro sql server. The following visual foxpro sample code connects to sql server and retrieves data. Create mailmerge letters using visual foxpro data with microsoft word. In other words, i didnt try to simulate this problem manually, i only work with this problem from our application and that application uses certain environment dsn and made up remote views sqlexec cursors turned into the views. Connect to sql server database from visual foxpro 9 ray tawil. I want to try postgresql with vfp 8 sp1, but i cant connect to new created database. Learn how to build a data access layer to communicate with either dbfs or sql server. If more information is required, the visual foxpro odbc driver displays the prompt dialog. Aug 08, 2016 dear all, i used following line in my project to connect mysql database remotely but it is showing mysql dialog box to reconnect again and asking for tcpip server, user. When you try to connect to an external db like sql server 2005 with the function sqlstringconnect and the connection fails vfp show a dialog with sql connection parameter.
Note that some sql server odbc driver has to be installed in order for this to work, so your applications installer probably needs to ensure it installs the appropriate odbc driver. Clientserver applications with visual foxpro and sql server. The code for this chapter is written to be compatible with visual foxpro 7, but in subsequent chapters well add features only available in versions 8 and higher. The other function that can be used to establish a connection to a remote data source, such as sql server, is sqlstringconnect.
Using the remote data connectivity functions recital software. Connect using vfpoledb, oledbconnection, microsoft visual foxpro driver and. Also binding the database to the ipv6 address did not help. Note that if the catalog column from systables is always the name of the database, this one is solved. Connects to a data source, which can be either a database or a directory of tables. Using sql server alwaysencrypted backend for vfp application. Chapter 6 extending remote views with sql pass through. The sqlconnect and sqlstringconnect functions are used to. The visual foxpro odbc driver ignores the szuid, cbuid, szauthstr, and cbauthstr arguments for more information, see sqlconnect in. The sqlconnect function there are two ways to use the sqlconnect function to connect to a remote data source, such as sql server. All sql server sqlconnection properties when to use the sql native client.170 236 116 1226 1345 938 554 1447 371 1243 937 1290 482 1228 900 1432 1040 49 1544 776 345 904 786 1292 248 974 30 778 1036 346 510 1077 89 243 1034 1111 1108 1138 876 49