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What's the linq to sql translation for this query
SELECT *
FROM MasterTable AS [t0]
Outer APPLY UfnGetDetail([t0].x, [t0].y, z) AS [t2]
...
Ok, it works with something like this
var query = from mt in db.MasterTable
let detailResult = db.UfnGetDetail(mt.x, mt.y, z).SingleOrDefault()...
Have you tried this:
from mt in dc.MasterTable
select dc.UfnGetDetail (mt.x, mt.y)
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the query is:
SELECT DISTINCT TOP 10 COUNT( pp.Id), cd.Country,cd.State, pp.Id,cd.Email,CAST(pp.CreateDate AS DATE) AS paymentdate FROM Payments pp
JOIN cdTbl cd
ON pp.Id = cd.Id
WHERE pp.CreateDate IS NOT NULL AND CAST(pp.CreateDate AS DATE) = CAST(GETDATE() AS DATE)
GROUP BY pp.Id, cd.Email,CAST(pp.CreateDate AS DATE),cd.Country,cd.State
HAVING COUNT( pp.Id) > 1 AND cd.Email IS NOT NULL
ORDER BY CAST(pp.CreateDate AS DATE) DESC
Thanks
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Good day
I need to interpret the following SQL to LINQ.
select
t1.req_no,
t1.seq_no,
t1.quantity,
t1.uom,
t1.item_name,
t2.event_date
from tb_cs_test t1, tb_cs_test2 t2 where (t1.req_no = 1 and t2.req_no = 1 );
I use MVC and with this SQL Statement i need to throw the requested fields based on the condition that I put
Thanks
You can do that with a JOIN:
from t1 in tb_cs_test
join t2 in tb_cs_test2
on t1.req_no equals t2.req_no
where t1.req_no = 1
select new {
t1.req_no,
t1.seq_no,
t1.quantity,
t1.uom,
t1.item_name,
t2.event_date
}
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Hi guys I need some direction with how to layout a group and sum of a variable from within an XML file on C#.
The XML document is as follows:
<xxxx>
<yy>
<pp a= "b">
<aa> 3 </aa>
</yy>
<yy>
<pp a= "c">
<aa> 5 </aa>
</yy>
<yy>
<pp a= "b">
<aa> 6 </aa>
</yy>
</xxxx>
How would I go about creating a C# Linq query to group attributes(a) and sum the (aa) element totals?
Something like this?
from d in xmldoc.Descendants("yy")
group d by d.Element("pp").Attribute("a").Value into dg
select new { a = dg.Key, sum = dg.Sum(d => Int64.Parse(d.Element("aa").Value)) }
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If I had the table "CustomerDetails" than what is the below query explains??
var details = (from data in entity.CustomerDetails where (data.CustomerId == CustId && data.CustomerProjectID == CustProjId) select data).FirstOrDefault();
Share the exact meaning. Thanks in advance.
That query selects the data from the CustomerDetails table where the CustomerId equals the given CustId and the CustomerProjectID equals the given CustProjId. It then returns the first element from the set that returns.
I personally find it easier to use LINQ Expressions like so:
var details = entity.CustomerDetails
.FirstOrDefault(cust =>
cust.CustomerId == CustId &&
cust.CustomerProjectID == CustProjId
);
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I am doing a kind of Join in my MVC application by using LINQ as,
var temp= (from enumeration in db.Enumerations
join cust in db.Customers on Convert.ToInt32(enumeration.Value) equals cust.lkpStatus
where (cust.ID==data.ID &&
enumeration.EnumerationTypeID.Contains("Customer.lkpStatus") )
select enumeration).FirstOrDefault();
In this I have got a Problem on Join is that "enumeration.Value" is a string value and " cust.lkpStatus" is an int.
So how can be the query to do joining by using the LINQ. Please suggest some LINQ query in this scenario.
try with SqlFunctions.StringConvert
join cust in db.Customers on
enumeration.Value equals SqlFunctions.StringConvert((decimal) cust.lkpStatus).Trim()