linq query with if else condition c#

. Please Sign up or sign in to vote. "No deals" : (Deals.Count() == 1 ? If you feel any content is violating any terms please, This site makes use of Cookies. ); } else { roles = roles.Where (dp => . They are required. I attempted to place this inside a larger if/else condition but was unable to loop through alDisabledPrograms later. - Projection condition evaluating incorrectly - If condition not evaluating as expected ifelse - evaluating else if after an if condition is true MSBuild 3.5 - MSBuild 3.5 Property Functions in Condition msbuild To learn more, see our tips on writing great answers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. C# LINQ: .NET Support for Operations The primary formula to use it is: var SubListName = from ValueHolder in List group ValueHolder by Category; The new keywords are group and by. To learn more, see our tips on writing great answers. . The ValueHolder factor is the same variable created from the from operator. Chakra Basics; Gemstones; Main Menu By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why are non-Western countries siding with China in the UN? Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? Thanks! : is nothing but if else else if else. Let me know if you need any help with this query. Is your question about building the expression-tree without the arg-names or anything different I did not catch? But now, since the same variable is used in all three places, there is a compiler error that the types don't match: Note, with your code your result will always be non-null. For more information about standard query operators, see Standard Query Operators Overview (C#). These operators are also used for implementing paging. Therefore, even when getting started writing LINQ queries, it is useful to be familiar with how to use method syntax in queries and in query expressions themselves. However, the query syntax must be translated into method calls for the .NET common language runtime (CLR) when the code is compiled. Why do small African island nations perform better than African continental nations, considering democracy and human development? How is Jesus " " (Luke 1:32 NAS28) different from a prophet (, Luke 1:76 NAS28)? 1. ); } var alDisabledPrograms = roles.Descendants (.) So you have two results, one in if block and one in else block which are different and are not visible outside their blocks. Because the Linq query is mainly a strong type of query, it is difficult to achieve dynamic stitching like SQL statements. Find centralized, trusted content and collaborate around the technologies you use most. If so then how can I do that? When to use .First and when to use .FirstOrDefault with LINQ? For example, you might use them like this: var query = items.Where( x => x. SomeProperty > someValue); query = query.If( searchByOtherProperty, q => q.Where( x => x. OtherProperty == otherValue); IF ELSE condition in Linq Where clause using C# and VB - ASPSnippets value of a Boolean expression. If a question is poorly phrased then either ask for clarification, ignore it, or.

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