How do I connect a VB to an Access database?

When creating a new project, select Data Engineering, and the toolbox on the left of the VB6 integrated debugging environment is loaded with the necessary controls for database programming.

Then add the ADODC control and the DataGrid control in the form1 form, select ADODC1 for the DataGRID1 attribute datasource, open the ADODC1 control property page to use the connection string, select Generate, select Microsoft Jet OLE DB provider for access database in the provider options, and then connect to the database as required. In the ADODC1 control property page, there is a long string of strings in the blank text window, note that this string can be copied to the program for programming. The data source of the ADODC1 control property page has a command text (SQL) writing window that can be used to write SQL query language.

The SQL statements of this window can be copied to the program ** for programming.

The main structure of SQL query language is as follows:

select query field from table name where query condition statement [sort statement or grouping statement].

Query fields must be separated by a comma or replaced by an asterisk, and the sort statement in the above query is best used.

If there is an error in the SQL query language, you can make changes to it when the program is running. I generally follow the above connection first, SQL use"select * from tabelname"For debugging, no problem, use a button portware to copy the aforementioned connection string and SQL query language in the click event of the button control first, so that you can use it later. Then delete the adodc1 hole, add the adodc1 control, and add other content.

Method to add an ADO control:

1.Perform "engineering" "parts";

2.In the Parts dialog box, select Microsoft Ado Control;

3."OK";

4.Double-click the ADO control icon in the toolbox or drag the mouse on the form after clicking the ADO control, you can add the ADO control to the form;

After adding the ADO control, you can use its ConnectionString attribute to establish a connection to the data source to realize the connection between the ADO and the DB. Here's how:

1.Click the ADO control, right-click, "ADODC Properties", and the "Property Page" will pop up.

2.Select Use Connection String; Click "Generate" to bring up "Data Connection Properties"; In the Providers tab, generally select Microsoft Jet OLE Provider; "Next";

3.In the Data Link Properties dialog box, enter the path and file name of the db in the Select or Enter Database Name text box (optional); "Open" again;

4.Enter the username and password in the "Enter login database information" field;

5.Test Connection;

A great way to run Microsoft Access reports in VB.

In VB, how to use intuitive and simple macro reports has always been a concern for many people, and Crystal Reports is not ideal to use. Now I will introduce a method to run Microsoft Access reports in VB, which is not bad to use.

Leverage automation to run Microsoft Access reports.

2.Create a reference.

Use "Project References" in VB"menu to create a pair of Microsoft Access Object Library

References. 3.List of Procedures.

Note: references ms access object library (this.)

Note: Code will work with any verson of access that

Note: supports automation).

dim msaccess as

private sub command1_click()

set msaccess=new

rptemployess",acviewnormal

set msaccess=nothing

end sub

Note: AcViewNormal tells Access to open the report and print it immediately.

One disadvantage of this method is that the runtime environment must be equipped with MS Access.

VB is only a programming language, and it cannot build a database, and the creation of an access database should be done entirely in access.

Prerequisites: Microsoft Access database must be installed.

Steps: 1. Find the path where you want to store the database, such as the data path of disk C;

3. At this time, there is an access file under the path, which can be right-clicked and renamed to name the database, for example, name it as the test database;

4. Double-click the access file to create the desired table, function, etc.