Determining first date a specific product was purchased

[ciken]

I'm trying to determine if there is a way to write a formula on my Customer table to look for the first time a product category was purchased. For example, Jim Smith first purchased product A on 1/1/2010 but I'm interested in knowing IF AND WHEN Jim Smith purchased Product C. I've got the first time purchase column completed: 

FirstTimePurchase = CALCULATE(MIN('Operations: Orders'[Order Date]),ALLEXCEPT('Operations: Orders',Customer[CustomerID]))

But I don't know how to add the filter to then determine MIN order with Subscripton Type = "Autorefill".

HELP??

How the customer table currently looks

[v-alq-msft]

Hi, @ciken 

Based on your description, I created data to reproduce your scenario.

Table:

You may create two measures as below.

FirstTimePurchaseA autorefill = 
CALCULATE(
    MIN('Operations: Orders'[Order Date]),
    FILTER(
        ALLSELECTED('Operations: Orders'),
    'Operations: Orders'[CustomerID] = SELECTEDVALUE('Operations: Orders'[CustomerID])&&
    'Operations: Orders'[Subscription type] = "Autorefill"
    )
)
PurchaseC autorefill Date = 
var result = 
CONCATENATEX(
    FILTER(
        ALLSELECTED('Operations: Orders'),
        'Operations: Orders'[CustomerID] = SELECTEDVALUE('Operations: Orders'[CustomerID])&&
        'Operations: Orders'[Product] = "C"&&
        'Operations: Orders'[Subscription type] = "Autorefill"
    ),
    'Operations: Orders'[Order Date],
    ","
)
return
IF(
    ISBLANK(result),
    "no purchase Product C",
    result
)

Result:

Best Regards

Allan

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

[ciken]

Thanks @v-alq-msft ,

The problem lies in that my subscription type is in a different table than my order date. My order date is in 'Operations: Orders' and my subscription type (and all product data) is in a table called 'Operations: Orders Shopping Cart'. When I try to write either of the codes below it is not allowing me to pull data from a second table into the measurement.  

[Greg_Deckler]

Please see this post regarding How to Get Your Question Answered Quickly: https://community.powerbi.com/t5/Community-Blog/How-to-Get-Your-Question-Answered-Quickly/ba-p/38490