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Hi, I want to create a very simple phone book web page (.NET & Ajax) The requirements are bellow: The database (MS Access databse) We have three tables 1-Contacts (Fields = CID and CName) CID: smallint (Primary key = aouto number) CName: text 2-Phones (Fields = RecID, CID, Country, City and Phone) RecID: smallint (Primary key = aouto number) CID: smallint (gorgon key) Country: Text (Read from Country_City table). City: Text (Read from Country_City table). 3-Country_City (Fields = CountryName and CityName) CountryName: Text CityName: Text design: We need one Page. the page has two text boxes to add new contact and a grid to add the contact id and name. code: 1-The use must be able to add, edit and delete the contact from the contact table using the two text boxes. 2-the use must be able to insert, edit and delete contact information from the phones table using the grid. 3-The countries name and the cities name must be displayed by a combo box (in the grid) . 4-When the user select a country from the country combobox (in the grid) then we must list the selected country's cities only in the combobox. for example if we select United kingdom then we must list the UK city (London, Manchester ... ) I will provide you with the country_city table .