MemberManagement/CreateMemberForm.cs

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using MemberManagement.Common;
using MemberManagement.Context;
using MemberManagement.Entity;
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 MemberManagement
{
    /// <summary>
    /// 新增编辑会员窗体
    /// </summary>
    public partial class CreateMemberForm : Form
    {
        /// <summary>
        /// 会员id
        /// </summary>
        public string MemberId { get; set; }
        private Member _member = null;
        /// <summary>
        /// 
        /// </summary>
        /// <param name="memberId">会员id</param>
        public CreateMemberForm()
        {
            InitializeComponent();
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(this.txtCardNumber.Text))
            {
                MessageBox.Show("卡号不能为空", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                this.txtCardNumber.Focus();
                return;
            }
            if (string.IsNullOrEmpty(this.txtName.Text))
            {
                MessageBox.Show("姓名不能为空", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                this.txtName.Focus();
                return;
            }
            
            ((Button)sender).Enabled = false;
            if (this.SaveMember())
            {
                string text = string.IsNullOrEmpty(this.MemberId) ? "发卡成功" : "更新成功";
                MessageBox.Show(text, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            ((Button)sender).Enabled = true;
        }

        #region 私有函数
        private bool SaveMember()