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VBA Access 2007

I have developped an application in MS Access 2007 - 2016 using an SQL server for the data tables and Access as Front End. The application starts by AutoMacro with a form that lets you choose the language used throughout the application and open the switchboard.

VBA Access 2007

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It's a rainy Sunday and I am in a bad mood anyway! So I searched through the innumerous post related to the above mentioned problem: and I found at the very end of a lengthy exchange of opinions, virtually a footnote, the solution for my promblem. In the accdb file I copy/pasted the form used to access my application switchboard in the desired configuration, deleted the original form, renamed the copy to the original name, saved the file as accde. And it works. Not only this one form, but all forms had their code behind the form re-compiled and responded to click, events etc.

How this value is displayed depends on your regional settings. You can use the Date$() function to return a 10-character string representing the date. This string uses the format mm-dd-yyyy. The Date() function returns only the system date; if you need to include the time use the Now() function. As noted earlier, a date/time value is a number where the integer portion represents the date and the decimal portion represents the time. So the Now() function will return an integer and decimal that represents the current date and time. The Now() function defaults to displaying its value according to the regional settings on your PC. On my PC it displays 7/25/2007 5:06:34 PM.

The DatePart function is used to extract a portion of a date from a date value. A Date/Time data type contains several components that correspond to the intervals listed in Table 4.1. For example, the following expressions return the values 4, 1, and 2007, respectively:

The DateSerial function can take integer values outside those ranges and calculate the difference to return a date value. This makes it very powerful if you use expressions for the arguments. For example, the following expression returns June 5, 2008 because the 18th month from the start of 2007 is June:

The expression DateSerial(2007,5,0)) returns 4/30/07. Using 0 for the Day value can then be used to get the last day of a month. If you use DateSerial( Year , Month +1,0) you get the last day of the Year and Month used as arguments passed to the function.

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Not only is DAO the native and recommended data object model for using MS access, it continues to be enhanced and now has a whole bunch of new features for sharepoint. In access 2007 we now have Support for SharePoint lists. This means that new DAO object model for 2007 allows a sharepoint list to be used and viewed as a SQL server table. That means you can use SQL on sharepoint lists (in fac there not even a oleDB provider that allows you to use SharePoint lists this way, but with DAO you can now do this). There is nothing of this sort that been added to ADO. So SharePoint lists from a access (dao) point of view sees these SharePoint lists as a standard table.

Furthermore DAO in access also has support for what we call complex data types. This was done to support XML lists from sharepoint. Keep in mind for the next version of access (2010) we are going to see a whole bunch more new additional features being added to DAO (JET is now called ACE).

Access 2007 received multi-value capabilities for its field definitions, and again this was a result of enhancements for supporting sharepoint. However, these features are part of JET and these enhancements can be used without sharepoint. they are now part of DAO.

So the question or confusion centers around what term were going to use when we refer to using DAO in access 2007. The confusion here is in fact that the documentation and even the tools ->reference does not call it DAO.

Quote from the above article, which was revised Dec 2008 - "Data Access Objects (DAO): DAO provides access to JET (Access) databases. This API can be used from Microsoft Visual Basic, Microsoft Visual C++, and scripting languages. It was included with Microsoft Office 2000 and Office XP. DAO 3.6 is the final version of this technology. It will not be available on the 64-bit Windows operating system."

The native Access database format (the Jet MDB Database) has also evolved over the years. Formats include Access 1.0, 1.1, 2.0, 7.0, 97, 2000, 2002, and 2007. The most significant transition was from the Access 97 to the Access 2000 format; which is not backward compatible with earlier versions of Access. As of 2011[update] all newer versions of Access support the Access 2000 format. New features were added to the Access 2002 format which can be used by Access 2002, 2003, 2007, and 2010.

Microsoft Access 2007 introduced a new database format: ACCDB. It supports links to SharePoint lists and complex data types such as multivalue and attachment fields. These new field types are essentially recordsets in fields and allow the storage of multiple values or files in one field. Microsoft Access 2007 also introduced File Attachment field, which stored data more efficiently than the OLE (Object Linking and Embedding) field.

Microsoft Access's role in web development prior to version 2010 is limited. User interface features of Access, such as forms and reports, only work in Windows. In versions 2000 through 2003 an Access object type called Data Access Pages created publishable web pages. Data Access Pages are no longer supported. The Jet Database Engine, core to Access, can be accessed through technologies such as ODBC or OLE DB. The data (i.e., tables and queries) can be accessed by web-based applications developed in ASP.NET, PHP, or Java. With the use of Microsoft's Terminal Services and Remote Desktop Application in Windows Server 2008 R2, organizations can host Access applications so they can be run over the web.[29] This technique does not scale the way a web application would but is appropriate for a limited number of users depending on the configuration of the host.

Access 2010 allows databases to be published to SharePoint 2010 web sites running Access Services. These web-based forms and reports run in any modern web browser. The resulting web forms and reports, when accessed via a web browser, don't require any add-ins or extensions (e.g., ActiveX and Silverlight).

A compiled version of an Access database (file extensions .MDE /ACCDE or .ADE; ACCDE only works with Access 2007 or later) can be created to prevent users from accessing the design surfaces to modify module code, forms, and reports. An MDE or ADE file is a Microsoft Access database file with all modules compiled and all editable source code removed. Both the .MDE and .ADE versions of an Access database are used when end-user modifications are not allowed or when the application's source code should be kept confidential.

Users can create tables, queries, forms and reports, and connect them together with macros. Advanced users can use VBA to write rich solutions with advanced data manipulation and user control. Access also has report creation features that can work with any data source that Access can access.

The original concept of Access was for end users to be able to access data from any source. Other features include: the import and export of data to many formats including Excel, Outlook, ASCII, dBase, Paradox, FoxPro, SQL Server and Oracle. It also has the ability to link to data in its existing location and use it for viewing, querying, editing, and reporting. This allows the existing data to change while ensuring that Access uses the latest data. It can perform heterogeneous joins between data sets stored across different platforms. Access is often used by people downloading data from enterprise level databases for manipulation, analysis, and reporting locally.

There is also the Access Database (ACE and formerly Jet) format (MDB or ACCDB in Access 2007) which can contain the application and data in one file. This makes it very convenient to distribute the entire application to another user, who can run it in disconnected environments.

Microsoft offers free runtime versions of Microsoft Access which allow users to run an Access desktop application without needing to purchase or install a retail version of Microsoft Access. This actually allows Access developers to create databases that can be freely distributed to an unlimited number of end-users. These runtime versions of Access 2007 and later can be downloaded for free from Microsoft.[36] The runtime versions for Access 2003 and earlier were part of the Office Developer Extensions/Toolkit and required a separate purchase. 041b061a72


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