Skip to main content

kendo ui grid filter, sort and paging in the server


Kendo UI Grid code-sample

@(Html.Kendo().Grid<Entities.Model.Proc_GetOrders_Result>()
.Name("GridOrders")
.Columns(columns =>
{
    columns.Bound(p => p.Order).Title("Order Detail").Filterable(true);
    columns.Bound(p => p.Customer).Title("Customer Detail").Filterable(true);
    columns.Bound(p => p.ID).Title("").Filterable(false).Title("Actions").Sortable(false);
})
.ClientRowTemplate(Html.Partial("_tabs").ToHtmlString())                                                                            
.DataSource(ds => ds
    .Ajax()
    .Sort(srt => srt.Add(e => e.ID).Descending())
    .Read(read => read.Action("GetOrders", "Orders"))
    .PageSize(PageSize)
)
.Events(e => e.DataBound("onDataBoundOrders"))
.Pageable()
.Sortable()
.Resizable(e => e.Columns(true))
    .Pageable(pager => pager
        .Refresh(true)
    )
.Filterable(filterable => filterable
    .Extra(false)
    .Operators(operators => operators
        .ForString(str => str.Clear()
            .StartsWith("Starts with")
            .EndsWith("Ends with")
            .Contains("Contains")
            .DoesNotContain("Not contains")
            )
        )
    )
)

Controller Action code-sample

        /// <summary>
        /// BELOW METHOD IS USED TO GET ORDERS
        /// </summary>
        public ActionResult GetOrders([DataSourceRequest] DataSourceRequest request, KendoCustomFilterCollection kendoCustomFilterCollection)
        {
            // We are not fetching the complete DataSet from DB as kendo grid do, but now we are requesting records based on PageIndex and PageSize.
            Tuple<int, List<Proc_GetOrders_Result>> orders = _repoOrder.GetOrders(request, kendoCustomFilterCollection);

            // Overriding request.Page property to 1.
            // Because now we are fetching records for single page only which contains records equals to page size which is by default 10.
            request.Page = 1;
            request.Filters = null;// filter Client Row Template.
            var result = orders.Item2.ToDataSourceResult(request);
            if (orders.Item1 > 0)
            {
                result.Total = orders.Item1;
            }
            return Json(result);
        }


        /// <summary>
        /// BELOW METHOD IS USED TO GET ORDERS FOR KENDO UI GRID
        /// </summary>
        public Tuple<int, List<Proc_GetOrders_Result>> GetOrders(Kendo.Mvc.UI.DataSourceRequest request, KendoCustomFilterCollection kendoCustomFilterCollection)
        {
            #region FILTERATION RELATED CODE

            List<Kendo.Mvc.FilterDescriptor> lFilters = new List<Kendo.Mvc.FilterDescriptor>();
            Expression<Func<Proc_GetOrders_Result, bool>> lambda = null;
            List<Expression<Func<Proc_GetOrders_Result, bool>>> lExpressions = new List<Expression<Func<Proc_GetOrders_Result, bool>>>();

            if (request.Filters != null && request.Filters.Count > 0)
            {
                //GET "FILTERDESCRIPTOR" AT RUNTIME
                lFilters = new Helper().GetFilterDescriptors(request.Filters);

                if (kendoCustomFilterCollection.Values != null)
                {
                    // FOR MULTIPLE FILTERS PER COLUMN
                    lExpressions = new Helper().CreateExpressions<Proc_GetOrders_Result, bool>(lExpressions, lFilters, kendoCustomFilterCollection);
                }
                else
                {
                    // FOR SINGLE FILTER PER COLUMN
                    lExpressions.Add(ExpressionBuilder.GetExpression<Proc_GetOrders_Result>(lFilters, "AND"));
                }

                //MERGE ALL EXPRESSIONS
                lambda = new Helper().MergeAllExpressions<Proc_GetOrders_Result, bool>(lExpressions);
            }

            #endregion

            //GET LIST
            Tuple<int, List<Proc_GetOrders_Result>> mylist = new Tuple<int, List<Proc_GetOrders_Result>>
                (base.Context.Proc_GetOrders().AsQueryable()
                .Where(lambda == null ? e => e.OrderID == e.OrderID : lambda)
                .Count(),
                base.Context.Proc_GetOrders().AsQueryable()
                .Where(lambda == null ? e => e.OrderID == e.OrderID : lambda)
                .Skip((request.Page - 1) * request.PageSize)
                .Take(request.PageSize)
                .ToList());

            return mylist;
        }

For the helpers class click on link

Not : if you want full code then contact me.

By Anil Singh | Rating of this article (*****)

Popular posts from this blog

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file    Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVA...

39 Best Object Oriented JavaScript Interview Questions and Answers

Most Popular 37 Key Questions for JavaScript Interviews. What is Object in JavaScript? What is the Prototype object in JavaScript and how it is used? What is "this"? What is its value? Explain why "self" is needed instead of "this". What is a Closure and why are they so useful to us? Explain how to write class methods vs. instance methods. Can you explain the difference between == and ===? Can you explain the difference between call and apply? Explain why Asynchronous code is important in JavaScript? Can you please tell me a story about JavaScript performance problems? Tell me your JavaScript Naming Convention? How do you define a class and its constructor? What is Hoisted in JavaScript? What is function overloadin...

Top 50 C# OOPS Interview Questions and Answers | Freshers and Experience

List of 50 C# Object-Oriented Programming (OOP) interview questions along with brief answers. What is Object-Oriented Programming (OOP)? Answer : OOP is a programming paradigm that uses objects and classes for organizing code. It revolves around the concepts of encapsulation, inheritance, and polymorphism.   Define encapsulation? Answer : Encapsulation is the bundling of data and the methods that operate on that data into a single unit, known as a class.   What is a class in C#? Answer : A class is a blueprint or a template for creating objects. It defines the data and behavior that the objects of the class will have.   Explain inheritance in C#. Answer : Inheritance is a mechanism by which a class can inherit the properties and behaviors of another class. It promotes code reuse and establishes a relationship between the parent (base) class and the child (derived) class. How is polymorphism achieved in C#? Answer : Polymorphism is achieved through ...

25 Best Vue.js 2 Interview Questions and Answers

What Is Vue.js? The Vue.js is a progressive JavaScript framework and used to building the interactive user interfaces and also it’s focused on the view layer only (front end). The Vue.js is easy to integrate with other libraries and others existing projects. Vue.js is very popular for Single Page Applications developments. The Vue.js is lighter, smaller in size and so faster. It also supports the MVVM ( Model-View-ViewModel ) pattern. The Vue.js is supporting to multiple Components and libraries like - ü   Tables and data grids ü   Notifications ü   Loader ü   Calendar ü   Display time, date and age ü   Progress Bar ü   Tooltip ü   Overlay ü   Icons ü   Menu ü   Charts ü   Map ü   Pdf viewer ü   And so on The Vue.js was developed by “ Evan You ”, an Ex Google software engineer. The latest version is Vue.js 2. The Vue.js 2 is very similar to Angular because Evan ...

SOLID Principles in C# with Real Time Examples | Design Principles

T  The  SOLID Principles  are the design principles that enable us to manage several software design problems. These principles provide us with ways to move from tightly coupled code to loosely coupled and encapsulated real business needs properly. Also, readable, adaptable, and scalable code. The  SOLID Principles  guide developers as they write readable, adaptable, and scalable code or design an application. The  SOLID Principles  can be applied to any OOP program. The  SOLID Principles  were developed by computer science instructor and author Robert C. Martin.  The 5 principles of SOLID are: 1.        Single Responsibility Principle (SRP) 2.        Open-Closed Principle (OCP) 3.        Liskov Substitution Principle (LSP) 4.        Interface Segregation Principle (ISP) 5.     ...