How to: Display Total Summaries

• Jun 07, 2019
• 3 minutes to read

This example shows how to display totals. To do this, enable the View's ShowTotalSummary option, create required GridSummaryItem objects and add them to the grid's TotalSummary collection.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-display-total-summaries-e1636.

Window1.xaml.cs

using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Documents;
using DevExpress.Data;
using DevExpress.Xpf.Grid;

namespace DXGrid_DisplayTotals {
    public partial class Window1 : Window {
        public Window1() {
            InitializeComponent();
            grid.ItemsSource = new AccountList().GetData();
        }
        private void CreateTotalSummaries() {
            grid.TotalSummary.Add(new GridSummaryItem() {
                FieldName = "UserName",
                SummaryType = SummaryItemType.Count,
                DisplayFormat = "Total Users: {0}"
            });
            grid.TotalSummary.Add(new GridSummaryItem() {
                FieldName = "Age",
                SummaryType = SummaryItemType.Min
            });
            grid.TotalSummary.Add(new GridSummaryItem() {
                FieldName = "Age",
                SummaryType = SummaryItemType.Max
            });
        }
    }
    public class AccountList {
        public List<Account> GetData() {
            return CreateAccounts();
        }
        private List<Account> CreateAccounts() {
            List<Account> list = new List<Account>();
            list.Add(new Account() {
                UserName = "Nick White",
                RegistrationDate = DateTime.Today,
                Married = true,
                Age = 42
            });
            list.Add(new Account() {
                UserName = "Jack Rodman",
                RegistrationDate = new DateTime(2009, 5, 10),
                Married = false,
                Age = 30
            });
            list.Add(new Account() {
                UserName = "Sandra Sherry",
                RegistrationDate = new DateTime(2008, 12, 22),
                Married = false,
                Age = 18
            });
            list.Add(new Account() {
                UserName = "Sabrina Vilk",
                RegistrationDate = DateTime.Today,
                Married = true,
                Age = 24
            });
            list.Add(new Account() {
                UserName = "Mike Pearson",
                RegistrationDate = new DateTime(2008, 10, 18),
                Married = true,
                Age = 37
            });
            return list;
        }
    }
    public class Account {
        public string UserName { get; set; }
        public DateTime RegistrationDate { get; set; }
        public bool Married { get; set; }
        public int Age { get; set; }
    }
}

Window1.xaml

<Window x:Class="DXGrid_DisplayTotals.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid"
    Title="Window1" Height="300" Width="521">
    <Grid>
        <dxg:GridControl x:Name="grid" AutoGenerateColumns="AddNew">
            <dxg:GridControl.TotalSummary>
                <dxg:GridSummaryItem FieldName="UserName" SummaryType="Count"
                                      DisplayFormat="Total Users: {0}"/>
                <dxg:GridSummaryItem FieldName="Age" SummaryType="Min"/>
                <dxg:GridSummaryItem FieldName="Age" SummaryType="Max"/>
            </dxg:GridControl.TotalSummary>
            <dxg:GridControl.View>
                <dxg:TableView AutoWidth="True" ShowTotalSummary="True" />
            </dxg:GridControl.View>
        </dxg:GridControl>
    </Grid>
</Window>

Window1.xaml.vb

Imports Microsoft.VisualBasic
Imports System
Imports System.Collections.Generic
Imports System.Windows
Imports System.Windows.Documents
Imports DevExpress.Data
Imports DevExpress.Xpf.Grid

Namespace DXGrid_DisplayTotals
    Partial Public Class Window1
        Inherits Window
        Public Sub New()
            InitializeComponent()
            grid.ItemsSource = New AccountList().GetData()
        End Sub
        Private Sub CreateTotalSummaries()
            grid.TotalSummary.Add(New GridSummaryItem() With {.FieldName = "UserName", .SummaryType = SummaryItemType.Count, .DisplayFormat = "Total Users: {0}"})
            grid.TotalSummary.Add(New GridSummaryItem() With {.FieldName = "Age", .SummaryType = SummaryItemType.Min})
            grid.TotalSummary.Add(New GridSummaryItem() With {.FieldName = "Age", .SummaryType = SummaryItemType.Max})
        End Sub
    End Class
    Public Class AccountList
        Public Function GetData() As List(Of Account)
            Return CreateAccounts()
        End Function
        Private Function CreateAccounts() As List(Of Account)
            Dim list As New List(Of Account)()
            list.Add(New Account() With {.UserName = "Nick White", .RegistrationDate = DateTime.Today, .Married = True, .Age = 42})
            list.Add(New Account() With {.UserName = "Jack Rodman", .RegistrationDate = New DateTime(2009, 5, 10), .Married = False, .Age = 30})
            list.Add(New Account() With {.UserName = "Sandra Sherry", .RegistrationDate = New DateTime(2008, 12, 22), .Married = False, .Age = 18})
            list.Add(New Account() With {.UserName = "Sabrina Vilk", .RegistrationDate = DateTime.Today, .Married = True, .Age = 24})
            list.Add(New Account() With {.UserName = "Mike Pearson", .RegistrationDate = New DateTime(2008, 10, 18), .Married = True, .Age = 37})
            Return list
        End Function
    End Class
    Public Class Account
        Private privateUserName As String
        Public Property UserName() As String
            Get
                Return privateUserName
            End Get
            Set(ByVal value As String)
                privateUserName = value
            End Set
        End Property
        Private privateRegistrationDate As DateTime
        Public Property RegistrationDate() As DateTime
            Get
                Return privateRegistrationDate
            End Get
            Set(ByVal value As DateTime)
                privateRegistrationDate = value
            End Set
        End Property
        Private privateMarried As Boolean
        Public Property Married() As Boolean
            Get
                Return privateMarried
            End Get
            Set(ByVal value As Boolean)
                privateMarried = value
            End Set
        End Property
        Private privateAge As Integer
        Public Property Age() As Integer
            Get
                Return privateAge
            End Get
            Set(ByVal value As Integer)
                privateAge = value
            End Set
        End Property
    End Class
End Namespace