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281: The use of images in the database
Image processing is still puzzled by many people and an area of trouble. So far, in the ASP page the best way to deal with the image is saved to the file system image rather than the database. However, the need to access images from the database is...

282: Recordset paging
RDS data control study, the study of how to bind DATAPAGESIZE to limit the records shown in the table rows. Although this is a good and easy solution, but its drawback is that all data are accessible to the client. Examples only use a smaller data s...

283: Between the server and client data
In the beginning of this chapter has been to provide a RDS block diagram of the components to determine which component is the client, and which is a server-side components. In the previous section, focused on client-side component, that is, data co...

284: Remote Data Services
Remote Data Service (Remote Data Services, RDS) is to allow us to deal with a series of client-side data services collectively. Now do not have to worry about this issue, because the RDS itself is part of ADO, and only need the client to send and us...

285: Disconnect the recordset
In a monograph discussed ASP client-side data, which the ASP server-side programming not a contradiction? Is not the case, because we have yet to encounter only to engage in server-side programming ASP programmers. Although ASP is a server-side tech...

286: Data Shaping
Plastic or hierarchical data recordset to display a tree structure or related recordset. This through the field in the recordset contains a recordset to achieve, you can show the relationship between the database and a number of records set to retur...

287: ASP Program Optimization
Optimization of each developer should be concerned about. For database access, optimization is a key issue. And compared to other tasks, data access seems relatively slowly. Changes in data access because it is so much so that almost impossible to ...

288: Command object
Command object for a specific order to deal with all types of design, especially those who need the command parameters. With the Connection object is similar to, Command object to run back to record sets and do not go to the record set two types of ...

289: Connection object
The previous chapter discussed the basics of ADO, which mainly involve Recordset object, as well as data processing. In most cases, only by specifying the database table to obtain the data, but as seen from the object model, ADO and other data allow...

290: Management error
When dealing with data storage, the possibility of error always exists: the security issue has been trying to update the records to delete other users, and so a lot of problems. Can not guarantee that everything is running well, it is necessary to b...

291: Recordset
As mentioned above, is the ADO recordset object of the most commonly used, this is not surprising. After all, they contain data. However, for the recordset to imagine there are more than content to know how to save data and processing is very import...

292: Connected to the data storage
If you need to access a data storage, it should be to create a connection to data storage. As already mentioned: You can explicitly create a Connection object, or to create an ADO connection implicitly. For any a way to know the details of data stor...

293: ADO 2.5 Object Model
Although the ADO 2.5 object model in two new objects, but with the previous version is basically similar. Figure 8-3 shows these objects as well as the relationship between each object: If using ADO, you will find in this new version of two new obj...

294: The definition of ADO
7 in this book chapter has been concerned about the content of ASP and ASP how to create dynamic Web site content. Script has been allowed to see their custom Web page, so that we can build a more powerful ASP page. Now, will study the integration ...

295: Program debugging - error detection and handling
After reading the contents of the above, readers will definitely want to create an ASP page is not wrong. However, you may find that the page does not work. How to do that only for testing. In this section, first make a brief look at a number of deb...

296: Processing errors
Even if the use of defensive programming techniques, the error can still enter the website, perhaps because the test is not sufficient, or because by relying on a number of other resources or services do not work correctly. Page in order to prevent ...

297: Prevent errors
Have seen above, there can be some of the different types of errors, and has some feeling to find the error. The following will be considered on how to avoid the introduction of the wrong process, even though can not guarantee that the procedures fo...

298: ASP built-in object Response
Author: scholar In the article the author give you details of one of the ASP built-Request to use, I believe that through a series of practice has been able to master, this will continue to introduce another ASP built-in object Response. Recently,...

299: ASP built-in Application and Session objects
Author: scholar In the article the author described in detail to all ASP built-in to use the Response object, in this article the author will continue to introduce the other two very useful and important object of the ASP built-Application and Sess...

300: Global.asa document procedures for the use and Chat
Author: scholar In the article the author described in detail for everyone to be very useful for both the ASP built-in Application and Session objects to use. As the two OnStart, OnEnd events Global.asa script must file a statement, so this will gi...


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