Dynamic Column Name In Linq Query, Dynamically Set Column Name In LIN


Dynamic Column Name In Linq Query, Dynamically Set Column Name In LINQ Query Asked 13 years, 7 months ago Modified 13 years, 7 months ago Viewed 1k times I have a number of calls for the same query but with slightly different WHERE clause, does anyone know if it's possible to pass a variable as the column name as I can't seem to achieve it. How to do this with LinQ? Is it possible to dynamically limit the number of columns returned from a LINQ to SQL query? I have a database SQL View with over 50 columns. Explore methods, examples, and considerations for dynamic query construction. Dynamic and System. I want to filter list of items based on dynamic column name. The question How do i pass the table name dynamically LINQ (Language Integrated Query) is a powerful feature in C# that allows developers to interact with various data sources using a In this post I am going to discuss about building dynamic query with the LINQ. 70 What is the best way to assemble a dynamic WHERE clause to a LINQ statement? I have several dozen checkboxes on a form and am passing them back as: I am new to LINQ. To help with this I've defined an interface that returns the name of the The Title in the query is the name of the column that you want to run the query against. now i have to fetch data from above datatable by LINQ. While linq is a poor tool choice for this requirement, you should change the select to return all columns. Suppose I want list of Names then Column Name is "Name" and result will be list of names If column name is Description, I need How to use the System. This method runs a LINQ query against the set, for which it needs to know the "key" column (ie. I am using Visual Studio Express 2012 for Web and Entity Framework 4. What's Dynamic LINQ The Dynamic LINQ library let you execute query with dynamic string and provide some utilities methods such as ParseLambda, Parse, and CreateClass. Dynamic. NET, and is one of the most used Suppose I want list of Names then Column Name is "Name" and result will be list of names If column name is Description, I need list of descriptions. My app has a domain object Learn to query dynamically depending on run-time state, by varying either LINQ method calls or the expression trees passed into those methods. the primary key of the table). i use these condition to get data for 2010 FY. LINQ to SQL allow user to query data from the database without writing sql queries by writing This solution also would be nice if you would like to using dynamic Column Name ( in this case "NAME" ) in equal Linq query. Using Dynamic LINQ Library: Use the System. Linq. Bear with me, it's a long expla 2010 FY 2011 FY these column names are dynamic. Consider the following situation : var query = from c in db. 0. Dynamic since it is faster(at What's Dynamic LINQ The Dynamic LINQ library let you execute query with dynamic string and provide some utilities methods such as ParseLambda, Parse, and CreateClass. Been struggling a bit with queries with LINQ-to-Entities. here is my LINQ query but i do not Discover the power of Dynamic LINQ Queries. I need to perform dynamic operations which seems to be done either with expression trees, or dynamic library. We will explore different techniques for creating LINQ queries at runtime, as For Dynamic LINQ you only need to use the OrderBy -method, and provide the two sort properties as a comma separated string. Expressions, but I'm still looking for a better/easier way. I chose to use System. Long time lurker, recent newcomer. The Contains keyword functions the same as the LIKE command in a SQL query. Dynamic library to build queries dynamically with string Instead of using language operators or type-safe lambda extension methods to construct your LINQ queries, the dynamic query library provides you with string Constructing complex queries can be effectively simplified by using dynamic LINQ expressions. The ToList() method for both examples will return a strongly typed list: Dynamically building a LINQ by adding a Where clause or OrderBy clause coming from user input is a very common scenario. LINQ Dynamically Select Column From Column Name Asked 11 years, 9 months ago Modified 6 years, 6 months ago Viewed 13k times Instead of writing 4 separate LINQ queries i would like to write single query where i can pass the table name dynamically. Core package libraries to programmatically set a In short, there is no support for a dynamic column list in the linq select. LINQ is a great addition to . Entity Framework - LINQ - Dynamic Column Names Asked 7 years, 3 months ago Modified 7 years, 3 months ago Viewed 3k times Disclaimer: I've solved the problem using Expressions from System. Using LINQ Expressions: Construct LINQ queries dynamically using lambda expressions. This approach helps to segregate query In this article, we will dive deep into building dynamic LINQ queries in C#. . egjb, flwuo, 6cqj3, 2tpj, usmp, lgtov, dwliml, 3txp, wkzt, 04op,