[DEVEXPRESS/WPF] PivotGridControl 클래스 : 커스텀 SUMMARY 계산하기

TestProject.zip

다운로드

▶ MainWindow.xaml

<Window
    x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:dxb="http://schemas.devexpress.com/winfx/2008/xaml/bars"
    xmlns:dxpg="http://schemas.devexpress.com/winfx/2008/xaml/pivotgrid"
    Width="800"
    Height="600"
    Title="커스텀 SUMMARY 계산하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <dxpg:PivotGridControl x:Name="pivotGridControl"
            CustomSummary="pivotGridControl_CustomSummary">
            <dxpg:PivotGridControl.Fields>
                <dxpg:PivotGridField x:Name="fieldProductName"
                    FieldName="ProductName"
                    Area="RowArea"
                    Caption="Product Name" />
                <dxpg:PivotGridField x:Name="extendedPricePivotGridField"
                    FieldName="Extended Price"
                    Area="DataArea"
                    SummaryType="Custom"
                    CellFormat="p"
                    Caption="Percentage of Orders over $500" />
            </dxpg:PivotGridControl.Fields>
        </dxpg:PivotGridControl>
    </Grid>
</Window>

 

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▶ MainWindow.xaml.cs

using System.Windows;

using DevExpress.Xpf.PivotGrid;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.pivotGridControl.DataSource = new NorthwindDataSetTableAdapters.OrderReportsTableAdapter().GetData();
        }

        #endregion 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 피벗 그리드 컨트롤 커스텀 SUMMARY 처리하기 - pivotGridControl_CustomSummary(sender, e)

        /// <summary>
        /// 피벗 그리드 컨트롤 커스텀 SUMMARY 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void pivotGridControl_CustomSummary(object sender, PivotCustomSummaryEventArgs e)
        {
            if(e.DataField != this.extendedPricePivotGridField)
            {
                return;
            }

            int count = 0;

            PivotDrillDownDataSource pivotDrillDownDataSource = e.CreateDrillDownDataSource();

            for(int i = 0; i < pivotDrillDownDataSource.RowCount; i++)
            {
                PivotDrillDownDataRow pivotDrillDownDataRow = pivotDrillDownDataSource[i];

                decimal decOrderSummary = (decimal)pivotDrillDownDataRow[this.extendedPricePivotGridField];

                if(decOrderSummary >= 500)
                {
                    count++;
                }
            }

            if(pivotDrillDownDataSource.RowCount > 0)
            {
                e.CustomValue = (decimal)count / pivotDrillDownDataSource.RowCount;
            }
        }

        #endregion
    }
}