实现GridLookUpEdit多列搜索

转自：https://www.devexpress.com/Support/Center/Example/Details/E1985

Example下载

注意要给GridLookUpEdit的DisplayMember赋值

using System;
using System.Collections.Generic;
using System.Text;
using DevExpress.XtraGrid.Columns;
using DevExpress.Data.Filtering.Helpers;
using DevExpress.Data.Filtering;
using DevExpress.XtraGrid.Views.Grid;
using DevExpress.XtraGrid;
using DevExpress.XtraGrid.Views.Grid.Drawing;
using DevExpress.XtraGrid.Views.Grid.ViewInfo;
using DevExpress.XtraGrid.Views.Base;
using DevExpress.XtraGrid.Registrator;

namespace GridLookUpEdit_MultiAutoSearch
{
    public class CustomGridView : GridView
    {
        public CustomGridView() : base() { }

        protected internal virtual void SetGridControlAccessMetod(GridControl newControl)
        {
            SetGridControl(newControl);
        }

        protected override string OnCreateLookupDisplayFilter(string text, string displayMember)
        {
            List<CriteriaOperator> subStringOperators = new List<CriteriaOperator>();
            foreach (string sString in text.Split(' '))
            {
                string exp = LikeData.CreateContainsPattern(sString);
                List<CriteriaOperator> columnsOperators = new List<CriteriaOperator>();
                foreach (GridColumn col in Columns)
                {
                    if (col.Visible && col.ColumnType == typeof(string))
                        columnsOperators.Add(new BinaryOperator(col.FieldName, exp, BinaryOperatorType.Like));
                }
                subStringOperators.Add(new GroupOperator(GroupOperatorType.Or, columnsOperators));
            }
            return new GroupOperator(GroupOperatorType.And, subStringOperators).ToString();
        }

        protected override string ViewName { get { return "CustomGridView"; } }
        protected virtual internal string GetExtraFilterText { get { return ExtraFilterText; } }
    }

    public class CustomGridControl : GridControl
    {
        public CustomGridControl() : base() { }

        protected override void RegisterAvailableViewsCore(InfoCollection collection)
        {
            base.RegisterAvailableViewsCore(collection);
            collection.Add(new CustomGridInfoRegistrator());
        }

        protected override BaseView CreateDefaultView()
        {
            return CreateView("CustomGridView");
        }

    }

    public class CustomGridPainter : GridPainter
    {
        public CustomGridPainter(GridView view) : base(view) { }

        public virtual new CustomGridView View { get { return (CustomGridView)base.View; } }

        protected override void DrawRowCell(GridViewDrawArgs e, GridCellInfo cell)
        {
            cell.ViewInfo.MatchedStringUseContains = true;
            cell.ViewInfo.MatchedString = View.GetExtraFilterText;
            cell.State = GridRowCellState.Dirty;
            e.ViewInfo.UpdateCellAppearance(cell);
            base.DrawRowCell(e, cell);
        }
    }

    public class CustomGridInfoRegistrator : GridInfoRegistrator
    {
        public CustomGridInfoRegistrator() : base() { }
        public override BaseViewPainter CreatePainter(BaseView view) { return new CustomGridPainter(view as DevExpress.XtraGrid.Views.Grid.GridView); }
        public override string ViewName { get { return "CustomGridView"; } }
        public override BaseView CreateView(GridControl grid)
        {
            CustomGridView view = new CustomGridView();
            view.SetGridControlAccessMetod(grid);
            return view;
        }

    }

}

using System;
using System.Collections.Generic;
using System.Text;
using DevExpress.XtraEditors.Registrator;
using DevExpress.XtraEditors.ViewInfo;
using DevExpress.XtraEditors.Drawing;
using DevExpress.XtraEditors;
using System.ComponentModel;
using DevExpress.XtraEditors.Repository;
using DevExpress.XtraGrid.Views.Grid;
using DevExpress.Data.Filtering.Helpers;
using DevExpress.Data.Filtering;
using DevExpress.XtraGrid.Columns;
using DevExpress.XtraGrid;

namespace GridLookUpEdit_MultiAutoSearch
{
    [UserRepositoryItem("RegisterCustomGridLookUpEdit")]
    public class RepositoryItemCustomGridLookUpEdit : RepositoryItemGridLookUpEdit
    {
        static RepositoryItemCustomGridLookUpEdit() { RegisterCustomGridLookUpEdit(); }

        public RepositoryItemCustomGridLookUpEdit() {
            TextEditStyle = DevExpress.XtraEditors.Controls.TextEditStyles.Standard;
            AutoComplete = false;
        }
        [Browsable(false)]
        public override DevExpress.XtraEditors.Controls.TextEditStyles TextEditStyle { get { return base.TextEditStyle; } set { base.TextEditStyle = value; } }
        public const string CustomGridLookUpEditName = "CustomGridLookUpEdit";

        public override string EditorTypeName { get { return CustomGridLookUpEditName; } }

        public static void RegisterCustomGridLookUpEdit()
        {
            EditorRegistrationInfo.Default.Editors.Add(new EditorClassInfo(CustomGridLookUpEditName,
              typeof(CustomGridLookUpEdit), typeof(RepositoryItemCustomGridLookUpEdit),
              typeof(GridLookUpEditBaseViewInfo), new ButtonEditPainter(), true));
        }

        protected override GridView CreateViewInstance() { return new CustomGridView(); }
        protected override GridControl CreateGrid() { return new CustomGridControl(); }
    }


    public class CustomGridLookUpEdit : GridLookUpEdit
    {
        static CustomGridLookUpEdit() { RepositoryItemCustomGridLookUpEdit.RegisterCustomGridLookUpEdit(); }

        public CustomGridLookUpEdit() : base() { }

        public override string EditorTypeName { get { return RepositoryItemCustomGridLookUpEdit.CustomGridLookUpEditName; } }

        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
        public new RepositoryItemCustomGridLookUpEdit Properties { get { return base.Properties as RepositoryItemCustomGridLookUpEdit; } }
    }
}