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Author:halw

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Date:2008-12-22T14:23:38.000000Z


git-svn-id: https://svn.eiffel.com/eiffel-org/trunk@144 abb3cda0-5349-4a8f-a601-0c33ac3a8c38
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halw
2008-12-22 14:23:38 +00:00
parent 853692a5c8
commit 035991ccc0
1 changed files with 19 additions and 4 deletions
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documentation/current/platform-specifics/microsoft-windows/net/samples/ado-net-samples/adonet-sample.wiki
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@@ -51,15 +51,30 @@ When the display is finished, the application wait for you to pressed the return
This application shows how to interact with a database. First the connection to the database is opened: This application shows how to interact with a database. First the connection to the database is opened:
<code> <code>
create my_sql_connection.make_from_connection_string (my_database) create connection.make ("server=(local)\NetSDK;Trusted_Connection=yes;database=northwind")
</code> </code>
Then a request to the database is made: Then a request to the database is made:
<code> <code>
create my_sql_command.make_from_cmd_text_and_connection (my_command, my_sql_connection) create command.make ("select * from customers", connection)
connection.open
reader := command.execute_reader
</code> </code>
Finally, the result of the request is displayed. Finally, the result of the request is displayed:
<code>
from
ok := reader.read
until
not ok
loop
io.put_string (reader.item ("CustomerID").to_string)
io.put_string ("%T%T")
io.put_string (reader.item ("CompanyName").to_string)
io.new_line
ok := reader.read
end
</code>
This sample contains the following class: This sample uses the following ADO.NET classes:
* <eiffel>SQL_DATA_READER</eiffel> * <eiffel>SQL_DATA_READER</eiffel>
* <eiffel>SQL_CONNECTION</eiffel> * <eiffel>SQL_CONNECTION</eiffel>
* <eiffel>SQL_COMMAND</eiffel> * <eiffel>SQL_COMMAND</eiffel>