I have a basic linq that gets 10 rows from database; get 2 columns (First_Name & Last_Name) from database. - this works ok Question - how can i add column names at 1st row of list? var query = _context1.dbset…
I currently have 2 tables: Table1, with the following columns: Id, TypeId, VersionId, AnotherColumn1, AnotherColumn2, AnotherColumn3 Table2, with the following columns: Id, TypeId, VersionId, DifferentColumn1, DifferentColumn2 The only thing these 2 tables have in common are TypeId and VersionId. I…
I've done a GroupBy using Linq as follows in a controller: model.aLstProducts = result[0].Results .Where(c => c.Id == ProductId) .ToList() .FirstOrDefault() .ListOfProducts .GroupBy(c => c.ProductCategory); The property has been defined as follows: public IEnumerable<IGrouping<string, ProductsViewModel>> aLstProducts { get; set; }…
I have a solution that builds. I'm now using Visual Studio 2022. But when I add this Linq statement, it fails to build, but shows no error. Like this - this is the bottom left area of Visual Studio: Dim…
I have a question for you all!!!, Assume that I have 2 tables, one of them is a parent, and the other is a child. I want to filter the parent table by sending data from the child object. The…
How do I get a list of companyIDs who shipped all their orders in linq? Scenario: Each company got a bunch of customers and orders for customers. Here from the below tables, CompanyB and CompanyC has shipped all the orders…
var _query = _dbContext.CashVoucherDetails .Where(x => x.CreationDate.Date >= From.Date && x.CreationDate.Date <= To.Date && (x.Type == Common.TransactionType.CPV || x.Type == Common.TransactionType.BPV) && x.CompanyCode == BranchCode && x.DebitAmount > 0) .GroupBy(v => new { v.AccountCode}) .Select(g => new { AccountCode =…
I am writing a C# console application project (.NET 7.0) using Visual Studio for macOS 2022 v17.4 and System.CommandLine (2.0.0-beta4.22272.1). I am trying to add a custom validator to one of my Commands, and found the following code snippet on…
Why do these C# LINQ Queries to find a Minimum or Maximum with Where criteria fail? I am working on a project where I want to run queries on a column in a database to find (a) the largest value…
I have search date time fromdate - todate. I need to add dropdownlist "Catruc" but i dont know how to do at Linq. enter image description here Database select query "Catruc" enter image description here enter image description here View:…