Most Popular Scripts | ASP | Tutorials & Tips | Database-related

Sometimes we worry about limits of database table and we need to know how manay recods we have. In ASP we could count all recods using a loop. But if we have a small piece of knowledge about SQL script, our script works better and faster.

It is very common operation to request one field of information via a database query. This is called a singleton query. ADO.Net has specific functions for singleton queries, but not ADO (ActiveX Data Objects). This article describes how to use an ADO command object to perform faster singleton queries.

How do I get the Unique ID or Auto ID of the record I just entered? The solution is really quite simple.

Learn how to delete records with an SQL instead of a Recordset. Here are two examples. One will use a query string and the other gets the info from a form. Both examples include an example of a DSN-LESS connection.

There are a few different ways to connect to an Access database using a DSN-LESS connection. You can use the Access driver, an OLEDB provider connection, a physical path or a virtual path. Here is an example of each as well as a DSN-LESS SQL Server connection.

Learn how to edit records with an SQL statement instead of a Recordset. Here are two examples. One will use a query string and the other gets the info from a form. Both examples include an example of a DSN-LESS connection.

Dropdowns or combo boxes are an excellent way to get input from a user. One of the biggest problems with user input is spelling and formatting. Here is how to use and populate dropdowns from a database.

It is an often problem with database intergration when you use a reserved word. Often asked why a script does not work and it quite often comes down the the author setting a field name as a reserved word, confusing SQL and making debugging hard. To solve this problem here is a quick list of the SQL Reserved Words.

When faced with learning a new technology, it's common to try and reproduce the basic functionality you're used to in the old one. In doing that with ADO.NET and trying to reproduce the basics or the recordset object, this article discusses the new and many uses of ADO.NET's DataView object.

Many times people will make the mistake of naming a database field with an SQL Reserved word. This is an easy mistake to make. It's hard to remember every single one. Here's a concise listing of SQL Reserved words to help you along.

This is the second article in this series. This article mainly deals with SQL Joins and SQL sub-queries. Both of these are extremely useful SQL constructs and should be learnt by all beginners.

Complete Online Chapter "Data Access with .NET" from Wrox Press book "Professional C# 2nd Edition". Topics covered include "Connecting to the database", "Executing Commands", "Stored Procedures", "The ADO.NET object model" and "Using XML and XML Schemas".

To database or not to database? Test of consumed resources (processor, memory) and results with file upload to database or file system. Test of JetOLEB connection to MDB, test of MSSQL 2000 and AppendChunk method and UPDATE text SQL command.

You fill in the blanks, and you are given the source code for the form, and a page to display the information in the database. Also the database is ready to download with all fields in your form.

Insert a table into a database dynamically. You don't even have to open MS Access. One simple asp does the trick. Using ADOX you can add and manipulate tables easily once you know how.

This little wizard will help you count records and display the total. Simply fill in the form, and it will generate the code for you.

So you need a DSN-Less connection but your not quite sure what to do. Well we can do this for you. A quick and easy way to make a connection without a DSN. This will work for your MS Access database only. Now includes SQL Server.

Article describes what is SQL? what it is used for? how to SELECT, INSERT, UPDATE and DELETE records from the database? and more.

The part one of this two-part article shows how to create an ASP class that allows us to work with our databases through a web browser. It will allow us to update and delete records dynamically using JavaScript and XMLHTTP, without ever having to refresh the page.

This article will show you two different methods that you can use to connect to a Microsoft SQL Server 2000 database: System DSN's and the OLEDB connection string. It will also explain the positives and negatives of each method, along with some examples to get you started.