• LOOKupEdit GridControl


    using DevExpress.XtraEditors.Repository;
    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    
    namespace WindowsFormsApplication1
    {
        public partial class Form1 : Form
        {
            public Form1()
            {
                InitializeComponent();
            }
    
            private void Form1_Load(object sender, EventArgs e)
            {
                InitData();
    
                gridControl1.DataSource = Products;
                gridView1.Columns["UnitPrice"].DisplayFormat.FormatType = DevExpress.Utils.FormatType.Numeric;
                gridView1.Columns["UnitPrice"].DisplayFormat.FormatString = "c2";
    
                // Create an in-place LookupEdit control.
                RepositoryItemLookUpEdit riLookup = new RepositoryItemLookUpEdit();
                riLookup.DataSource = Categories;
                riLookup.ValueMember = "ID";
                riLookup.DisplayMember = "CategoryName";
    
                // Enable the "best-fit" functionality mode in which columns have proportional widths and the popup window is resized to fit all the columns.
                //最佳弹出  模式
                riLookup.BestFitMode = DevExpress.XtraEditors.Controls.BestFitMode.BestFitResizePopup;
                // Specify the dropdown height.  设置高度
                riLookup.DropDownRows = Categories.Count;
    
                // Enable the automatic completion feature. In this mode, when the dropdown is closed, 
                // the text in the edit box is automatically completed if it matches a DisplayMember field value of one of dropdown rows. 
                // 自动搜索
                riLookup.SearchMode = DevExpress.XtraEditors.Controls.SearchMode.AutoFilter;
                // Specify the column against which an incremental search is performed in SearchMode.AutoComplete and SearchMode.OnlyInPopup modes
                riLookup.AutoSearchColumnIndex = 1;
    
                // Optionally hide the Description column in the dropdown.
                // riLookup.PopulateColumns();
                // riLookup.Columns["Description"].Visible = false;
    
                // Assign the in-place LookupEdit control to the grid's CategoryID column.
                // Note that the data types of the "ID" and "CategoryID" fields match.
                //绑定到某列中
                gridView1.Columns["CategoryID"].ColumnEdit = riLookup;
                gridView1.BestFitColumns();
            }
    
            List<Product> Products = new List<Product>();
            List<Category> Categories = new List<Category>();
    
            private void InitData()
            {
                Products.Add(new Product() { ProductName = "Sir Rodney's Scones", CategoryID = 3, UnitPrice = 10 });
                Products.Add(new Product() { ProductName = "Gustaf's Knäckebröd", CategoryID = 5, UnitPrice = 21 });
                Products.Add(new Product() { ProductName = "Tunnbröd", CategoryID = 5, UnitPrice = 9 });
                Products.Add(new Product() { ProductName = "Guaraná Fantástica", CategoryID = 1, UnitPrice = 4.5m });
                Products.Add(new Product() { ProductName = "NuNuCa Nuß-Nougat-Creme", CategoryID = 3, UnitPrice = 14 });
                Products.Add(new Product() { ProductName = "Gumbär Gummibärchen", CategoryID = 3, UnitPrice = 31.23m });
                Products.Add(new Product() { ProductName = "Rössle Sauerkraut", CategoryID = 7, UnitPrice = 45.6m });
                Products.Add(new Product() { ProductName = "Thüringer Rostbratwurst", CategoryID = 6, UnitPrice = 123.79m });
                Products.Add(new Product() { ProductName = "Nord-Ost Matjeshering", CategoryID = 8, UnitPrice = 25.89m });
                Products.Add(new Product() { ProductName = "Gorgonzola Telino", CategoryID = 4, UnitPrice = 12.5m });
    
                Categories.Add(new Category() { ID = 1, CategoryName = "Beverages", Description = "Soft drinks, coffees, teas, beers, and ales" });
                Categories.Add(new Category() { ID = 2, CategoryName = "Condiments", Description = "Sweet and savory sauces, relishes, spreads, and seasonings" });
                Categories.Add(new Category() { ID = 3, CategoryName = "Confections", Description = "Desserts, candies, and sweet breads" });
                Categories.Add(new Category() { ID = 4, CategoryName = "Dairy Products", Description = "Cheeses" });
                Categories.Add(new Category() { ID = 5, CategoryName = "Grains/Cereals", Description = "Breads, crackers, pasta, and cereal" });
                Categories.Add(new Category() { ID = 6, CategoryName = "Meat/Poultry", Description = "Prepared meats" });
                Categories.Add(new Category() { ID = 7, CategoryName = "Produce", Description = "Dried fruit and bean curd" });
                Categories.Add(new Category() { ID = 8, CategoryName = "Seafood", Description = "Seaweed and fish" });
            }
        }
    
        public class Product
        {
            public string ProductName { get; set; }
            public decimal UnitPrice { get; set; }
            public int CategoryID { get; set; }
        }
    
        public class Category
        {
            public int ID { get; set; }
            public string CategoryName { get; set; }
            public string Description { get; set; }
        }
    
    }
    

       绑定的列和lookupedit 不要同名  *

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  • 原文地址:https://www.cnblogs.com/xh0626/p/5926546.html
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