ORMapper.Templates.2.5.zip

Comments:

Templates rock!
By jensenkd on Saturday, March 19, 2005 (EST)

Paul,

Your templates rock!

I'm wondering what best practices are when binding a collection of custom objects to a datagrid are.

I have a List of 'Contact' objects. The Contact object contains an 'User' object as Owner of the contact.

How can I expose the properties of the User object to the datagrid? I could create read-only properties on the Contact object that refer to the User Object. Is this the best way to do it?

Keep up the great work!

Kevin

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Template Column Example
By pwelter34 on Saturday, March 19, 2005 (EST)

Kevin,

The easiest way to display a property of a child object is to create Template Column. Example ...
<asp:TemplateColumn SortExpression="UserID" HeaderText="User Name">
<ItemTemplate>
<asp:Label runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.UserObject.Name") %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>

In the above example, DataItem is an instance of Contact, UserObject is a property of Contact. UserObject is assumed to have been created by the template because there is a foreign key from Contact table to User table. Finally, Name is a property of User.

Hope that helps,
~Paul

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WOW
By jensenkd on Saturday, March 19, 2005 (EST)

I can't believe I didn't know you could call inner classes that way.

I feel so dumb.

Thank you Peter!

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Many-Many mapping?
By martigno on Friday, March 25, 2005 (EST)

Paul,

First, thanks for your work on the templates, they rock!

My question is about the many to many mapping capability. I'm using a SQL 2000 db and have three tables (very similar to your example of role->user->userrole. The userrole table has two “foriegn key relationships” defined in it but when I gen the mapping file, I don't get the many to many mapping I thought I would get.

Is there something else I need to be defining on the tables to get the many-many mapping to be picked up?

Thanks in advance,
Jeff

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Many-Many Mappings?
By martigno on Friday, March 25, 2005 (EST)

Just found it. The templete requires that the intermediate template (userrole) have only two columns. It did pick up the many-many relationship then.

Thanks,
Jeff

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Can't see relations
By dugrless on Wednesday, March 30, 2005 (EST)

I love these templates, but I can't seem to get them to show my MySql relationships. I'm using MySql 4.1.10 and the lastest MySqlSchemaProvider from over at the CodeSmith forums (http://www.ericjsmith.net/codesmith/forum/default.aspx?f=9&m=4357&p=1&ord=d). Any help would be greatly appreciated!
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New MySqlSchemaProvider
By dugrless on Wednesday, April 06, 2005 (EST)

For anyone else using these templates with MySql, I've just uploaded a new version of MySqlSchemaProvider over on the CodeSmith forums (http://www.ericjsmith.net/codesmith/forum/default.aspx?f=10&m=2900&p=1&ord=d). I redesigned the provider specifically to work with these templates, so it now correctly exposes foreign keys (in InnoDB tables at least) as well as auto_number identity columns. Have fun!
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