Web Forms :: Setting Up A Mainform Subform Effect?
Mar 30, 2010
First let me say that I am new to ASP.net and I come from a Microsoft access background hence my post is in Access terminology i.e Main form / Sub Form. I am not sure what the correct terms to use for ASP.net are and this might hamper my explanation a bit but here goes.
In Microsoft Access (MC) you can create a main form and then drag and drop a subform onto it and the application automatically knows how to pass the primary key from the mainform to the foreign key on the subform when a record is created. So my question is how can I get the same effect in ASP.NET.
Let's say I am using the Surrogate Key approach (autonumber primary key) and I have a table called "Customers" and another table called "Address" where one customer can have many addresses.
1. How can I set it up so that when I am entering multiple addresses for a customer the application knows which primary key of which customer to use?
2. What are the best controls to use for this (Gridview, Formview, etc)
3. Building upon the above. Lets say i select ONE customer from a list of customers and I have many different subforms how does the application know what is the primary key to use as I update information on this customer in the various tables.
I know this is a lot I am asking, or it is simple and it is just a lot in my mind as I am new.
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