ICODEBROKER

<Grid

    xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid"

    xmlns:local="clr-namespace:HowToBindingToCollectionOfColumns">

    <Grid.Resources>

        <local:TotalSummaryInformationCollection x:Key="TotalSummaryInformationCollectionKey" />

        <DataTemplate x:Key="TotalSummaryDataTemplateKey">

            <ContentControl>

                <dxg:GridSummaryItem

                    FieldName="{Binding Path=(dx:DependencyObjectExtensions.DataContext).FieldName,

                        RelativeSource={RelativeSource Self}}"

                    SummaryType="{Binding Path=(dx:DependencyObjectExtensions.DataContext).SummaryItemType,

                        RelativeSource={RelativeSource Self}}" />

            </ContentControl>

        </DataTemplate>

    </Grid.Resources>

    <dxg:GridControl x:Name="gridControl"

        TotalSummarySource="TotalSummaryInformationCollectionKey"

        TotalSummaryGeneratorTemplate="TotalSummaryDataTemplateKey">

        <dxg:GridControl.View>

            <dxg:TableView x:Name="tableKey" />

        </dxg:GridControl.View>

    </dxg:GridControl>

</Grid>

using System.Collections.ObjectModel;

using DevExpress.Data;

...

/// <summary>

/// 그리드 SUMMARY 항목 정보

/// </summary>

public class GridSummaryItemInformation

{

    //////////////////////////////////////////////////////////////////////////////////////////////////// Property

    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 필드명 - FieldName

    /// <summary>

    /// 필드명

    /// </summary>

    public string FieldName { get; set; }

    #endregion

    #region SUMMARY 항목 타입 - SummaryItemType

    /// <summary>

    /// SUMMARY 항목 타입

    /// </summary>

    public SummaryItemType SummaryItemType { get; set; }

    #endregion

}

...

/// <summary>

/// TOTAL SUMMARY 정보 컬렉션

/// </summary>

public class TotalSummaryInformationCollection : ObservableCollection<SummaryItemInformation>

{

    ...

}