score:6
Accepted answer
var res = from t in tmp
group t by t.userid into g
join c in com on g.key equals c.userid into j
from subc in j.defaultifempty()
select new answerset(new list<answer>(g), subc != null ?subc.content : null);
Source: stackoverflow.com
Related Query
- Linq query, how to check for a null value and use the value 0 in place of a null?
- Linq, join and null how to check a value
- How can I check null and assign new value in linq anonymous type to select expected sql result
- Linq check for null and replace null value in orderby
- How to check if Linq Expression value is null
- How to get 0 out of a null linq query value when a condition isn't met and then set it to a ViewBag
- How to check string for null and assign its value in the same line
- How to query in linq and check if the passed value is empty
- How to set Object instance value equal null if there is no data found in Left Join in LINQ Query
- how to check null values in linq left join condition insted in where condition
- How to check the property elementAt() has a value and its not null
- How do I check for a null value in a tuple or single value in a column using LINQ for Entity Framework?
- how to check for null value in linq query
- how do I check for underlying null value using linq to sql?
- How to check if the value exist in the database table ignoring null in LINQ C#
- How can I create a join like query using LINQ and check for a propery in a child object?
- Apply multiple conditions and null value check in Linq query
- Linq left join and groug by and check null values
- How to get average value using LEFT JOIN in LINQ and Lambda
- Using LINQ how would I check if a XML row contains a field and if it does check a different field on the same row for a value
- How to check if all list items have the same value and return it, or return an “otherValue” if they don’t?
- How to null check c# 7 tuple in LINQ query?
- How to assign empty string if the value is null in linq query?
- LINQ Any() and Single() vs. SingleOrDefault() with null check
- Linq where clause with multiple conditions and null check
- How to use Contains() function if field value is null in linq
- How to ignore 'where' and 'order by' condition if the column is null in LINQ
- How to use a LINQ in order to remove Min and Max value in List
- How can I check for a null inside of a linq query?
- How can I code an outer join using LINQ and EF6?
More Query from same tag
- Comparing sql with c# list in query?
- Optimized C# Code. Want to use better technique without nested loops
- Group the result by user who completed the items using linq
- Select the next row after nth duplicate rows
- How to do Linq query update
- display two table data at a time in linq
- Linq query to traverse tables
- The use of where in Linq
- Algorithm for Fogbugz pricing scheme
- Using Trim in multiple where clause of linq with Join clause
- LINQ equivalent of a join query;
- Querying nested collection (parent / children)
- LINQ Group by with multiple values
- Storing linq query results in Model
- LINQ - trying to use Include, custom Function and return custom type. Include does not work
- Linq to entities select records based on subitems
- Searching in multi-level tree structure
- Parsing XML file in C#
- how to get property nodes if the properties name is "frames"
- Linq: Sorting the list based on another list
- Fast way to put 2 lists of String arrays into a DataTable?
- WCF RIA Services, Joining Tables in Domain Service
- How to group list of files (strings) by folder and perform select method on the group
- LINQ GroupBy Select only where key is not null
- HtmlNode Select img where alt equals value
- LINQ to Entities query and Distinct on GUID
- Problems with passing two models to one view
- Entity Framework Select new POCO without .ToList() first
- ASP.NET MembershipUserCollection sort by IsApproved, Comment
- Linq Distinct not returning expected values