C#子窗体刷新父窗体

    

public static class UserInfo

    {

        public static List<Users> UserList = new List<Users>();

    }



using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Collections;



namespace TestDelegationApplication

{

    public partial class UserManagerForm : Form

    {

        public UserManagerForm()

        {

            InitializeComponent();

        }



        private void btnExitApplication_Click(object sender, EventArgs e)

        {

            Application.Exit();

        }



        private void btnAddUser_Click(object sender, EventArgs e)

        {

            AddOrEditForm AddOrEdit = new AddOrEditForm();

            AddOrEdit.OperationType = 0;

            AddOrEdit.RefreshUserList = this.RefreshList;

            AddOrEdit.ShowDialog();

        }



        public void RefreshList()

        {

            listUserManager.Items.Clear();

            for (int i = 0; i < UserInfo.UserList.Count; i++)

            {

                ListViewItem listItem = new ListViewItem(new string[] { UserInfo.UserList[i].Guid, UserInfo.UserList[i].UserName, UserInfo.UserList[i].Sex, UserInfo.UserList[i].Age, UserInfo.UserList[i].CreateDate });

                listUserManager.Items.Add(listItem);

            }

        }

    }

}





using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;



namespace TestDelegationApplication

{

    public partial class AddOrEditForm : Form

    {

        public AddOrEditForm()

        {

            InitializeComponent();

        }



        public int OperationType; //操作类别、



        /// <summary>

        /// 添加用户委托

        /// </summary>

        public delegate void DoAction();

        public DoAction RefreshUserList;



        private void btnClose_Click(object sender, EventArgs e)

        {

            this.Close();

        }



        public void BindAge()

        {

            for (int i = 1; i <= 100; i++)

            {

                cboAge.Items.Add(i);

            }

        }



        private void AddOrEditForm_Load(object sender, EventArgs e)

        {

            BindAge();

            BindText();

        }



        void BindText()

        {

            if (OperationType == 0)

            {

                this.Text = "添加用户";

                this.grpAddOrEdit.Text = "添加用户";

                this.btnAddOrEdit.Text = "添加用户";

            }

        }



        private void btnAddOrEdit_Click(object sender, EventArgs e)

        {

            string btnText=btnAddOrEdit.Text;

            switch (btnText)

            { 

                case "添加用户":

                    Users u = new Users();

                    u.Guid = System.Guid.NewGuid().ToString();

                    u.UserName = txtUserName.Text;

                    u.Sex = cboSex.Text;

                    u.Age = cboAge.Text;

                    u.CreateDate = DateTime.Now.ToString();

                    UserInfo.UserList.Add(u);

                    RefreshUserList();

                    break;

                default:

                    break;

            }

        }

    }

}

Form2 frm = new Form2();

frm.ShowDialog(this);

((Form1)this.Owner).TextBox1.Text = "这将显视在主窗体";