[C#/WPF] DataGrid 엘리먼트 : FrozenColumnCount 속성을 사용해 컬럼 고정하기

■ DataGrid 엘리먼트의 FrozenColumnCount 속성을 사용해 컬럼을 고정하는 방법을 보여준다.

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:local="clr-namespace:TestProject"
    Width="800"
    Height="600"
    Title="DataGrid 엘리먼트 : FrozenColumnCount 속성을 사용해 컬럼 고정하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Window.CommandBindings>
        <CommandBinding Command="{x:Static local:MainWindow.FreezeColumnCommand}"
            Executed="freezeColumnCommand_Executed" />
    </Window.CommandBindings>
    <Window.Resources>
        <ContextMenu x:Key="ColumnHeaderContextMenuKey"
            IsEnabled="True">
            <MenuItem Header="컬럼 고정하기"
                IsEnabled="True"
                CommandTarget="{Binding RelativeSource={RelativeSource AncestorType=Popup}, Path=PlacementTarget}"
                Command="{x:Static local:MainWindow.FreezeColumnCommand}"
                CommandParameter="{Binding ElementName=dataGrid, Path=CurrentColumn.DisplayIndex}" />
        </ContextMenu>
    </Window.Resources>
    <Grid Margin="10">
        <DataGrid Name="dataGrid">
            <DataGrid.ColumnHeaderStyle >
                <Style TargetType="DataGridColumnHeader">
                    <Setter Property="ContextMenu" Value="{StaticResource ColumnHeaderContextMenuKey}" />
                </Style>
            </DataGrid.ColumnHeaderStyle>
        </DataGrid>
    </Grid>
</Window>

 

▶ MainWindow.xaml.cs

using System.Data.OleDb;
using System.Windows;
using System.Windows.Controls.Primitives;
using System.Windows.Input;

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

        #region Field

        /// <summary>
        /// 컬럼 고정 명령
        /// </summary>
        public static RoutedUICommand FreezeColumnCommand = new RoutedUICommand();

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Instance
        //////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 연결
        /// </summary>
        private OleDbConnection connection;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

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

            this.connection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=nwind.mdb");

            this.dataGrid.ItemsSource = OrderDetail.GetOrderDetailList(this.connection);
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 컬럼 고정 명령 실행시 처리하기 - freezeColumnCommand_Executed(sender, e)

        /// <summary>
        /// 컬럼 고정 명령 실행시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void freezeColumnCommand_Executed(object sender, ExecutedRoutedEventArgs e)
        {
            DataGridColumnHeader header = e.OriginalSource as DataGridColumnHeader;

            if(header.Column.IsFrozen == true)
            {
                return;
            }
            else
            {
                header.Column.DisplayIndex = this.dataGrid.FrozenColumnCount;

                this.dataGrid.FrozenColumnCount++;
            }
        }

        #endregion
    }
}