I am using ASP.NET MVC 4 with knockout and Breeze, and trying to sum a column value (sum(UnitsInTotal))
.
I can do it in Knockout foreach, but to avoid it in cshtml (I have my breeze based column filter's which works fine.), I would like to add it on my Breeze based javascript code itself. Any help ...
var serviceAddress = "breeze/Values",
em = new breeze.EntityManager(serviceAddress),
getProducts = function () {
var query = new breeze.EntityQuery("Product");
var promise = em.executeQuery(query);
return promise;
},
getSumOfUnitsInTotal = function () {
var query = new breeze,EntityQuery("Product").where...
var promise=em.executeQuery(query);
return promise;
}
I am not sure , how to do SUM(UnitsInTotal)
which is a column with numeric Data. I would like to know , how to write the Breeze query to get the SUM value. I am new to breeze.
Finally got it.
getItemTotal=function() {var queryAggUnitsInTotal= new breeze.EntityQuery("Product").select("UnitPrice");
return em.executeQuery(queryAggUnitsInTotal)
.then(calculateUnitsInTotal ).fail(handleFail);
calculateUnitsInTotal = function (data)
{var unitsInTotal = 0;
data.results.forEach(function (result)
{
unitsInTotal = unitsInTotal + result.UnitPrice;
});
return unitsInTotal; --ko.observable(unitsInTotal);--- Sum of UnitpriceValues
// Total value of my UnitPrice column.-- thru ko.observableArray, append and used in cshtml.I am trying to avoid too many knockout calculation at cshtml.// This approach my cshtml looks better and very clean. --Hope this help some dev's.
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