See lesson 6 for more information on how to set up conditions. In this example we will try to combine many of the things you have just learned. We will make a list of the names from the database where each name is a link to further details about the person. For this, we need two files - liste. The address book example is rather simple, but it shows the potential of working with ASP and databases. Imagine that the database had contained 10, products with detailed descriptions.
By making a few changes in the above files, you could easily create a product catalogue with more than 10, pages with only one database and two ASP files. Welcome to a world with extensive websites that are easy to develop and maintain.
Once you've learned to work with databases, your web solutions will never be the same again. Registered users: Google [Bot]. Lesson Get data from database In the previous lessons, we have learned to create a database in Access and to make a database connection.
SQL queries To retrieve data from a database, you use queries. Fortunately, SQL is very easy to learn. Try looking at this simple example: Get all data from the table 'people'. EOF ' Close the database connection Conn.
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If no script file location is specified, the browser submits the form by using the current PHP script file location the self-script in which the form is being called.
Method Attributes: specifies what type of method the form will use to send the data. Without the name attribute specified for each element contained in the form, PHP will be unable to create an array automatically with an access key by using the element's name attribute value. This means you can't access that element form data value after the form has been submitted to the server because its key is undefined.
When you submit the form to the server, it encodes it by using a scheme called URL encoding which has a built-in pattern that describes how the form data is parsed and encoded. The browser implement this method by concatenating the question mark character? The keys is created using the element's name attribute values. The key is created automatically by PHP when the form is submitted. The form data is then assigned to a variable that was used to display the results. We will discuss this in a different tutorial.
It checks if a variable of a specified input type exists. Although, the PHP filter extension can be used to perform the same task.
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