23 July 2015 20:05
There are a number of reasons why you might get "The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine" error when attempting to connect to either an accdb or an xlsx file, depending on what you are doing. This article discusses some of the causes and provides solutions first for uses involving ASP.NET, and then looking at other application uses.
Viewed 106085 times
06 December 2009 19:46
Should you store files and images in the database or the filesystem in an ASP.NET application? With SQL Server this is a dilemma, with both approaches having their pros and cons. When it comes to Access, the decision is much easier to make. Because an Access database is restricted to 2Gb, it makes more sense to store files in the file system. However, sometimes, you may not have the choice. If you have to use the database, here's how.
Viewed 39650 times
13 December 2008 21:47
Getting odd results and unexpected errors when working with Dates and Times in Access through ASP.NET is a common problem. Here's an overview of the Access DateTime data type, and some resolutions to the more frequently encountered errors.
Viewed 53166 times
09 July 2008 09:19
Building on my previous article on importing text files of various formats to an Access database, here's how to do the same thing simply and efficiently with Excel files.
Viewed 79667 times
17 May 2008 09:48
There are a variety of options for connecting to Access databases within ASP.NET pages. This article attempts to cover the choices and offer recommendations for getting the best out of Access.
Viewed 95523 times
01 May 2008 11:06
This short article deals with the following common MS Access-related error messages:
Viewed 30445 times
01 May 2008 10:02
Quite often, I see questions asked about creating a simple login page for use with Access from people who don't want to take advantage of the built-in Forms Authentication framework within ASP.NET. The following samples show how relatively easy this is to accomplish.
Viewed 341261 times
30 April 2008 22:48
The unbelievably cryptic Operation Must Use An Updateable Query error is the bane of developers who are just starting out with Access and ASP.NET. You've done your code, plopped your database file in the App_Data folder (or at least, you should have done), and try to run a page that INSERTs or UPDATEs records, and it all stops dead. This brief article explains the cause of the error, and the steps required to stop it recurring.
Viewed 222481 times
16 November 2007 10:45
Yes, you did read that correctly. Here's the situation: you know that Sql Server is by far the superior database system (if indeed MS Access can be called a database system). You also know that MS Access databases are not recommended as a data store for web applications. You are comfortable with Sql Server, and haven't really looked at Access for years - if at all. But now, your boss or your client wants you to use it in the next project.
Viewed 21408 times
12 November 2007 15:15
Creating a search interface for one user-supplied value is pretty straightforward: a TextBox for input, a Button and some SQL that searches one or more fields where the values are LIKE '%' + @searchterm + '%' is all that is needed. While it works, this approach is not very flexible. For example, what if you wanted to search for an Employee whose last name contains "a", and don't want those where the first name or city contains "a"? The traditional solution to this is to dynamically construct the SQL statement based on what values were passed by the user. However, building the SQL string can get repetitive, boring and messy. Here is a cleaner way to allow the user to narrow down searches across multiple criteria with the use of optional parameters, and just 3 lines of programming code.
Viewed 27632 times
09 September 2007 21:20
The Jet 4.0 OLEDB driver is a remarkable beast. Not only will it allow connections to MS Access .mdb files and MS Excel spreadhseets, but it will also allow you to connect to and query a variety of text file formats. Here are some examples that illustrate this capability when applied to importing text based data into Access.
Viewed 44223 times
05 June 2007 22:13
The built-in functions @@Identity and Scope_Identity() are designed to retrieve the most recently added record's autoincrement identity value from Access and Sql Server respectively. Here are some usage examples.
Viewed 357889 times
11 May 2007 22:35
Using ADO.NET to pull data from the Northwind database (Access version), using the saved query Current Product List.
Viewed 13059 times
06 May 2007 22:34
The following code will enumerate the tables and their properties, together with the queries in an Access database. Saved SELECT queries are referenced using the Views collection, and INSERT, UPDATE and DELETE queries are referenced from the Procedures collection.
Viewed 7043 times
13 April 2007 22:17
A selection of code samples for executing queries against MS Access using parameters.
Viewed 194617 times
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