Building an In-Text Advertising System Under ASP.NET 3.5 - Requirements
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On the whole, a network advertising system mainly deals with the following three types of users:
1. The website owner, who bears the responsibility of placing ads on his website and obtains income when surfers browse or click the related in-text ads.
2. The advertiser, who pays the ad fee and offers related content to propagandize for some project or product.
3. The system administrator, who takes charge of maintaining the normal running of the advertising system, and distributes the advertiser's ad rate to all of the website owners according to the factual effects of the ads.
Figure 2 below illustrates the relationships between the above three types of users.
Figure 2-the relationships between the website owner, advertising host and administrator

Next, let's detail our system requirements and related information.
In-Text Advertising System Requirements
In general, the in-text ads are placed around the center of web pages, and come with a double underline to differentiate them from normal links. Once the user rolls the mouse over the link, the ad will pop. Should the user click on it, the site owner will make some money. Therefore, the core data of the in-text ad system are the ad key words and concrete contents.
The users of this sample system are similar to most ad systems, with the users divided into three types, i.e. website owners, advertisers, and the administrator. Accordingly, this ad system is composed of three parts: the user center for the website owners, the user center for the advertisers, and the core of the system.
Above all, as the most important part of the system, the core, seeks to maintain the ad keyword and contents, to generate the ad code, record the ad data and related fees, distribute various resources reasonably, and supervise the actions of various users. Since this is the crucial part of the sample application, the core code lies herein.
Second, the user center of the website owner's related tasks let the site host get the ad code freely, consult the achievements of his own ad system, apply for an ad rate, modify his personal profiles, and so on.
Third, the user center of the advertiser's related tasks enable them to pay the ad rate for their own advertisements; choose and apply for new ad keywords to place; add, edit, and remove their own ad contents; consult their own ad data, and so forth.
To make things easy to understand, in this application we tried to simplify the design of the in-text advertising system to the greatest degree. In this case, we put the advertiser user center and system administration together, and only provided support for the two parts of the ad keywords and contents. Moreover, the user center for the website owners also provided support for getting the ad-related code and viewing the ad data.
Next, let's take a look at the general situation of the system, the basic usage of the system, and the final in-text ad effect.
Next: The General Situation >>
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