Master/detail using SQL

How can I link two tables for a master/detail reports if I need to use SQL statements instead of tables?

I see that for tables, I can create a relation, but how can I do it for SQL?

In FR4, I used something like "... WHERE IdCustomer = :IdCustomer ...." in the detail table.

Thank you

Comments

  • edited February 2010
    Hello,

    For example you have Customers (Id, Name) and Orders (CustomerId, OrderId, Orderdate) tables. Here is how you can link them (I use MS SQL syntax here):

    Customers table:
    select * from Customers
    

    Orders table:
    select * from Orders 
    where CustomerId = @id
    
    You need to create the parameter in this query (see http://fast-report.com/documentation/UserM...arameters.htm):
    Name = id
    DataType = int (the same type as CustomerId column)
    DefaultValue = 0
    Expression = [Customers.Id]

    Now you can use these tables in a master-detail report. The relation is not needed.

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