Generally, the result set we get from the database query may be very large, so when returning from the server to the client, the data will be divided into several pages and passed separately. At this time, you can use the DATAPAGESIZE attribute in the TABLE element to specify the number of recordset entries that each page contains. For example:
Obviously, if the XML data format is symmetrical, whether it is mapped to an ADO recordset or bound to a table element, the effect will be very good. In practical applications, there are many examples of asymmetric XML data. For example, a book may have more than one author, which will cause certain troubles in mapping and binding. The solution to the problem is to use nesting. Each row of the table still corresponds to a main element, and each column also corresponds to a sub-element. For repeated elements, nested tables are used. Let's assume that in books.xml, the author of the first book is Dean Straight, and the author of the second book is Charlotte Cooper, Shelley
Introduction: Under normal circumstances, the result set we get from the database query may It is very large, so when returning from the server to the client, the data will be divided into several pages and passed separately. At this time, you can use the DATAPAGESIZE attribute in the TABLE element to specify the number of recordset entries that each page contains.
3. Basics of Mini Program Development: Logs Page Analysis (6)
Introduction: In the previous tutorial, the index page was parsed. In this article, we will parse the logs page. The old rules are as shown in the picture above. The page contains a return button ( Used to return the index page), page title and program startup log list. Compared with the index page, the logs page has an additional logs.json file. To configure the content of the page title, you can refer to the configuration for more configuration items. The applet defines three tags in logs.wxml, namely view, block and text. , where the view tag is the container, b...
4. Detailed explanation of drawer menu examples for WeChat applet development
Introduction: The drawer menu is a common menu design method on the app. The typical drawer menu is as shown in the figure below. The following shows how to implement the drawer menu based on the WeChat applet. Finally The effect is as shown in the figure below: The page contains a homepage and a drawer menu page. In order to achieve the sliding effect, the page adopts absolute layout. The code is as follows index.wxml index.wxss. The program binds the touch event and tap event of the homepage and uses catchtouchmove to prevent them. The delivery of the move event, because the page will automatically respond to the slide in the real machine environment...
5. How to solve the problem of QQ winning message popping up on the webpage
Introduction: The QQ winning message pops up on the webpage http://www.163sha.com/html/qitanarong/ruchiruzuiDIY/201106/24-8736.html. Please help me take a look at this page. There is a home page of this website. Sometimes when I open it, a QQ lottery winning message pops up in the lower right corner of the page. It seems that an IP can be seen for the first time when it is opened, but cannot be seen after refreshing. I looked at this page including JS, but I didn’t find this bullet
6. Issues related to php inheritance including parent class
Introduction: PHP inherits the problem of including the parent class. When the subclass includes the parent class, I use a constant include_once(_CLASS_PATH_.'parent class.php'). The subclass is referenced by other PHP pages when the program is running. The page contains the constant clss_path. The problem is that if I directly open the file of the subclass PHP, an error will be reported. I know the problem is because class_path is not assigned a value, so I would like to ask everyone here if there is any good solution to this problem. I should
Introduction: I would like to ask you about the function of PHP template engine? I have never been able to figure out a doubt. Template engines such as smarty are used to separate front and back code. But if I write a separate back-end page and then use include to include the front-end page, I can also achieve dynamic separation. Yes
Introduction: The QQ lottery winning message pops up on the web page. Please help me take a look at this page and the homepage of this website. When I opened it, a QQ winning message popped up in the lower right corner of the web page. It seems that an IP can be seen for the first time when it is opened, but cannot be seen after refreshing. I took a look at this page including JS, but there is no
Introduction: The QQ winning message pops up on the web page http://www.163sha.com/html/qitanarong/ruchiruzuiDIY/201106/24-8736.html. Please help me take a look at this page and the homepage of this website. Sometimes When you open it, a QQ winning message pops up in the lower right corner of the web page. It seems that an IP can be seen for the first time when it is opened, but cannot be seen after refreshing. I looked at this page including JS, but there was no message
Introduction: The QQ lottery winning message pops up on the webpage. Please help me take a look at this page and the homepage of this website. Sometimes when I open it, a QQ lottery winning message pops up in the lower right corner of the webpage. It seems that an IP can be seen for the first time when it is opened, but cannot be seen after refreshing. I looked at this page including JS, but there was no issue
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