[C#/WINFORM/DEVEXPRESS] GridView 클래스 : CustomFilterDisplayText 이벤트를 사용해 필터 디스플레이 텍스트 커스텀 설정하기

■ GridView 클래스의 CustomFilterDisplayText 이벤트를 사용해 필터 디스플레이 텍스트를 커스텀 설정하는 방법을 보여준다.

▶ MainForm.cs


using System.Data.OleDb;

using DevExpress.Utils;
using DevExpress.XtraEditors;
using DevExpress.XtraEditors.Controls;
using DevExpress.XtraGrid.Columns;
using DevExpress.XtraGrid.Views.Grid;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : XtraForm
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

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

        #endregion

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

        #region 생성자 - MainForm()

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

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

            this.gridView.InitializeView
            (
                true,                           // Multi Select
                GridMultiSelectMode.CellSelect, // Grid Multi Select Mode
                DrawFocusRectStyle.CellFocus,   // Draw Focus Rect Style
                true,                           // Show Indicator
                true,                           // Show Column Headers
                true,                           // Allow Column Moving
                true,                           // Allow Column Resizing
                true,                           // Allow Filter
                true,                           // Allow Sort
                false,                          // Allow Cell Merge
                EditorShowMode.Default,         // Editor Show Mode
                true                            // Editable
            );

            this.gridView.OptionsBehavior.AutoPopulateColumns = true;

            this.gridView.OptionsView.ShowFooter = true;

            this.gridControl.DataSource = Customer.GetCustomerList(this.connection);

            this.gridView.ActiveFilter.Add(this.gridView.Columns["Country"], new ColumnFilterInfo("[Country] LIKE 'G%'"));

            this.gridView.BestFitColumns();

            this.gridView.CustomFilterDisplayText += gridView_CustomFilterDisplayText;
        }

        #endregion

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

        #region 그리드 뷰 필터 디스플레이 텍스트 커스텀 설정하기 - gridView_CustomFilterDisplayText(sender, e)

        /// <summary>
        /// 그리드 뷰 필터 디스플레이 텍스트 커스텀 설정하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void gridView_CustomFilterDisplayText(object sender, ConvertEditValueEventArgs e)
        {
            if(e.Value == null)
            {
                e.Value = "No Filter";
            }
            else
            {
                e.Value = $"필터식 : {e.Value}";
            }

            e.Handled = true;
        }

        #endregion
    }
}

100

101

using System.Data.OleDb;

using DevExpress.Utils;

using DevExpress.XtraEditors;

using DevExpress.XtraEditors.Controls;

using DevExpress.XtraGrid.Columns;

using DevExpress.XtraGrid.Views.Grid;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : XtraForm

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 연결

/// </summary>

private OleDbConnection connection;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

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

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

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

this.gridView.InitializeView

(

true, // Multi Select

GridMultiSelectMode.CellSelect, // Grid Multi Select Mode

DrawFocusRectStyle.CellFocus, // Draw Focus Rect Style

true, // Show Indicator

true, // Show Column Headers

true, // Allow Column Moving

true, // Allow Column Resizing

true, // Allow Filter

true, // Allow Sort

false, // Allow Cell Merge

EditorShowMode.Default, // Editor Show Mode

true // Editable

);

this.gridView.OptionsBehavior.AutoPopulateColumns = true;

this.gridView.OptionsView.ShowFooter = true;

this.gridControl.DataSource = Customer.GetCustomerList(this.connection);

this.gridView.ActiveFilter.Add(this.gridView.Columns["Country"], new ColumnFilterInfo("[Country] LIKE 'G%'"));

this.gridView.BestFitColumns();

this.gridView.CustomFilterDisplayText += gridView_CustomFilterDisplayText;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 그리드 뷰 필터 디스플레이 텍스트 커스텀 설정하기 - gridView_CustomFilterDisplayText(sender, e)

/// <summary>

/// 그리드 뷰 필터 디스플레이 텍스트 커스텀 설정하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void gridView_CustomFilterDisplayText(object sender, ConvertEditValueEventArgs e)

{

if(e.Value == null)

{

e.Value = "No Filter";

}

else

{

e.Value = $"필터식 : {e.Value}";

}

e.Handled = true;

}

#endregion

}

TestProject.zip