How to query JSON data from list using C# UWP

Question

 string Categoriesjson = @"[
                       {
                        'cat_id' : 1,
                         'name': 'HTML',
                         'desc': 'WebDesign',
                         'img': 'Assets/sawirada/html-flat.png',
                       }];

I have this JSON data i Converted to a list, I Want to Pass the Category id to a courses page and list the courses that match this category Id using LINQ.

 string Coursesjson = @"[
                       {
                         'id'  : 1,
                         'cat_id' : '2',
                         'name': 'Learn HTML',
                         'date': '2017-10-19',
                         'img': 'Assets/sawirada/phpmysql.jpg',
                       }];

Can you show your code where you've converted to a list?

Wheels73
– Wheels73

2018-01-30 11:07:53 +00:00
Commented Jan 30, 2018 at 11:07 — Wheels73
– Wheels73, Commented Jan 30, 2018 at 11:07

Handsome Greg · Accepted Answer · 2018-01-30 11:09:48Z

1

Deserialize the Coursejson to a list, and use LINQ to get the matching courses:

var passedCatId = 1;
List<Course> allCourses = JsonConvert.DeserializeObject<List<Course>>(Coursejson);

List<Course>filteredCourses = allCourses.Where(c => c.cat_id == passedCatId).ToList();

answered Jan 30, 2018 at 11:09

Handsome Greg

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