TopLab: three tier

TopLabGuid
2dc298fc-ebdd-4f5d-8686-78fdb1e4f66d
Date
10/19/2002 1:24 AM
Description
No Beschreibung??????????????
Type
txt

JSON Response

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  "titel": "three tier",
  "topLab1": "Re: three tier\r\nPosted: 17 Oct 2002 03:37 AM \r\nCreate a new solution \r\n\r\nAdd a Web Project to the solution. This is your Presentation Layer \r\n\r\nAdd a Class Library project to the solution... Call it Business \r\n\r\nAdd another Class Library to the solution... Call it DataAccess \r\n\r\nIn the Web Project add a reference to Business \r\n\r\nIn the Business Project add a reference to DataAccess \r\n\r\n\r\nWhere to put your code \r\n\r\nDataAccess \r\nIn the DataAccess project create a class called Util. This class should hold functions to call the database. e.g. RunSpRetDataTable(), RunSpRetInt32() etc.... (youll need to write these) \r\n\r\nNow create a class in the DataAccess project for Customer, Order etc... (what ever you need for your project). \r\n\r\nTypically the customer class would have a function Detail(pint32CustomerID as int32, ..... ). \r\n\r\nHere is a Detail function from one of my projects: \r\nBusiness \r\n\r\nIn the Business class.. Create a Function called Detail (with the same parameters as DataAccess). This function will pass through to the DataAccess Layer. If there are any business rules or audit tracking you need to apply this is where it goes. \r\n\r\n\r\nWeb (Presentation layer) \r\n\r\nThe code behind of a webform will call the Detail function in the Business layer which returns a DataTable... you can do what you want with the results.. \r\n\r\n",
  "url": "http://www.asp.net/Forums/ShowPost.aspx?tabindex=1\u0026amp;PostID=68418",
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