Linq orderby dynamic column name. So, how we would design an API that could accomplish those tasks? It seems it's not possible to mix SQL for the order by part with the rest of the linq query? Or the problem is that I am not prefixing the columns with the [t] and Entity is unable to understand what are those If I passed a string in as a parameter to the LINQ method, say "ExpenseTitle", how would I do OrderBy i. Dynamic, a small library on top of LINQ. Name or Staff=> You can use a dynamic string expression to specify columns in the sorting. This library provides a set of extension methods that allow you to build LINQ expressions By using LINQ expression trees, validating column names, and keeping the MySQL EF provider updated, you can implement robust, dynamic sorting. OrderBy("Name asc"); which is what I was looking for. for example I want sort Department. It's an awesome little library that allows you to dynamically generate LINQ expressions from Thanks to @Viper, I think I was really looking for Dynamic LINQ here. In this example, we will create a list of product and order them dynamically by type and then by their name Learn how to dynamically sort your `C# ` collections using reflection to access property names and LINQ's OrderBy and OrderByDescending methods. Then this would be repeated for each column (plus an else clause on each to order by descending). ---more This article explores building a custom LINQ method named CustomOrderBy that allows you to dynamically construct and apply sorting logic What I came across was basically the use of LINQ Expressions in conjunction with reflection to dynamically build the parameters to the LINQ order by clause at runtime. Dynamic library. So I have changed my approach and now pass the column name to the server. I only needed this to be SELECT * FROM data_table ORDER BY CASE @OrderBy WHEN 'id' THEN id WHEN 'code' THEN code WHEN 'active' THEN active ELSE name END ; Conversion to list and back for reversing. First I created a project for testing. Detailed solutions provided. To help us organize and process the data we would want to be able to sort the data dynamically by each column. For simplicity, consider switch A common feature in various applications is to sort some collection by one of it’s properties, dependent on some input like the column clicked by the Hello All, we are trying to add dynamic Order by different column in multiple tables. What I want to do? I want to create method, which Dynamically ordering data by column name I send. Please add dynamic-linq tag and update However, in many real-world scenarios—such as user-driven sorting in a UI, where the sort column is selected dynamically at runtime—you need to specify the OrderBy argument In Entity Framework, you can order by a dynamic column name using the System. That's why ordering by a string works, it'll order by the provided property name. I can Ingredients: · Visual Studio 2008 (Beta2 or Higher) Categories: LINQ-To-XML Introduction: You can use the Order By clause to easily sort the results of a Learn how to use a generic extension method to apply OrderBy on an IQueryable using a string column name in C#. How to order by depending on colName variable? I guess by "string version" you mean the so called "Dynamic LINQ" (or System. why do you use the orderBy-method instead of using the orderby keyword in a linq-query? @Joshit because I need to do different operations in the two cases, and there's no benefit in using LINQ That means that the employee whose name comes first in alphabetical order and has the highest salary and more experience should come first. Using that I would simply have IQueryable<Product> sortedQuery = query. Linq. I see the project works What I came across was basically the use of LINQ Expressions in conjunction with reflection to dynamically build the parameters to the LINQ order by clause at runtime. we will get column name and have to sort data. So, the LINQ query will be easy if the sort preferences are This is using System. Dynamic). ExpenseTitle so that orderby always matches the string parameter? I stumbled across the Dynamic LINQ Library today and can't figure out why more people aren't talking about it. function void sortDynamicData(typeOfClass,SortKey) { List<dynamic> results = null; //results might be of any type it may contain students data or books data or professors data, hence I took as.
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