• 使用BindingSource组件将Windows Forms控件绑定到类型


    https://docs.microsoft.com/en-us/dotnet/desktop/winforms/controls/how-to-bind-a-windows-forms-control-to-a-type?view=netframeworkdesktop-4.8

    例子

    下面的代码通过使用BindingSource组件DataGridView控件绑定到自定义类型在运行示例时,您会注意到在用数据填充控件之前,DataGridView的标签列反映了对象的属性该示例具有一个Add Customer按钮,用于将数据添加到DataGridView控件。当您单击按钮时,新对象将添加到BindingSource中在现实世界中,数据可能是通过调用Web服务或其他数据源获得的。

    BindingSource绑定到一个类型,然后可以对这个BindingSource添加、删除数据

    using System;
    using System.Collections;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Data.SqlClient;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    
    namespace WindowsFormsApplication2
    {
        public partial class Form1 : Form
        {
            BindingSource bSource = new BindingSource();
            private Button button1;
            DataGridView dgv = new DataGridView();
    
            public Form1()
            {
                this.ClientSize = new System.Drawing.Size(362, 370);
    
                this.button1 = new System.Windows.Forms.Button();
                this.button1.Location = new System.Drawing.Point(140, 326);
                this.button1.Name = "button1";
                this.button1.AutoSize = true;
                this.button1.Text = "Add Customer";
                this.button1.Click += new System.EventHandler(this.button1_Click);
                this.Controls.Add(this.button1);
    
                // Set up the DataGridView control.
                dgv.Dock = DockStyle.Top;
                this.Controls.Add(dgv);
    
                bSource.DataSource = typeof(DemoCustomer);
                dgv.DataSource = bSource;
            }
    
            private void button1_Click(object sender, EventArgs e)
            {
                bSource.Add(new DemoCustomer(DateTime.Today));
            }
        }
    
        // This simple class is used to demonstrate binding to a type.
        public class DemoCustomer
        {
            // These fields hold the data that backs the public properties.
            private DateTime firstOrderDateValue;
            private Guid idValue;
            private string custNameValue;
    
            public string CustomerName
            {
                get { return custNameValue; }
                set { custNameValue = value; }
            }
    
            // This is a property that represents a birth date.
            public DateTime FirstOrder
            {
                get
                {
                    return this.firstOrderDateValue;
                }
                set
                {
                    if (value != this.firstOrderDateValue)
                    {
                        this.firstOrderDateValue = value;
                    }
                }
            }
    
            // This is a property that represents a customer ID.
            public Guid ID
            {
                get
                {
                    return this.idValue;
                }
            }
    
            public DemoCustomer()
            {
                idValue = Guid.NewGuid();
            }
    
            public DemoCustomer(DateTime FirstOrderDate)
            {
                FirstOrder = FirstOrderDate;
                idValue = Guid.NewGuid();
            }
        }
    }
  • 相关阅读:
    Blender基础操作
    反汇编及linux下edb的下载
    混淆矩阵(confusion_matrix)含义
    Python大数据第三次的作业
    Python的DataFrame基础使用
    Python数据标准化
    爬虫之xpath
    luffy项目上线
    爬虫之selenium
    celery
  • 原文地址:https://www.cnblogs.com/wfy680/p/14798075.html
Copyright © 2020-2023  润新知