I've the following data set that has to be combined and get a new list of object: Expected Output: For single set of data, I used the following ...

My data source has 3 columns CYear (Date Type),Country (100 Countries), and Ceremony. I want to compare the data for two countries (Pakistan & Ind ...

This works: Now nodeID is a string which can have more than 1 nodeIdz so 100,178,111,200 or 100 or 200,100 Now I want to do something like: But ...

I have two JSONs files Country & Ceremony Country JSON: Ceremony JSON: Country Model Class Ceremony Model Class Loc Model Class I ...

What am I missing here? IQueryable<IsActiveCustomerProviderRefDto> search = from customerProviderRef in _database.CustomerProviderRef j ...

I have the following list: I'd like to break it down to groups twice: First grouping into odd & even numbers (I managed to do that) For e ...

I have a program I am writing that is to read an excel file and extract from it any column names that contain the string "Zone_" in them. This is the ...

I am using Entity Framework in .NET 7. I have 3 entities: Course that contains a ProfessorId among other things Grade that has a CourseId among ...

Ok, I have a List<> of objects (which the object contains multiple properties) and I would like to use a LINQ function to transform the List< ...

I have a class Bar that looks like this: Equals is working as expected but it seems that I am missing something when it comes to GetHashCode cause ...

How to write EF Core query to fill the properties in certain order? public record PersonDto : BaseDto //Id is Guid { public string Firstname { ge ...

I'm trying to do a conditional OrderBy but it's having no effect. The List outputs the same with default ordering. I've tried both approaches suggest ...

I have a date table and a time table. These two tables are related. In the date table, I created the date and defined times for this date. I want to g ...

I have many tables that I need to query data to see if a certain parameter(isCorrect) is yes. This field is present in all the tables. I have built a ...

I have a list of post objects. Each post object has a car property and each car object has a brand property. I am trying to find total number of posts ...

I have two tables by name formcontrols and otherfields both table has one common column by name FormId The basic understanding is a from can have mult ...

I try to run this code here, in ASP.NET Entity Framework 7. The target is to have the most efficient solution here which should be a JOIN if the datab ...

I have this kind of xml file. Root node is Sim and there are multiple "test" subnodes. Also each "test" has an instructor. Finally each instructor has ...

How to replace the above foreach with Linq. I have tried with following code, but it returns null for the item Note : items is of type IEnumerab ...

In C# i can do a left join query, with multiple conditions. Like this C# example that runs fine: I've tried to translate this to the following in F ...