客服管理模块/维修申请/MaintainForm.cs

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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 PropertyManagementSystem
{
    public partial class MaintainForm : Form
    {
        public MaintainForm()
        {
            InitializeComponent();
        }

        private void MaintainForm_Load(object sender, EventArgs e)
        {

            string sql = "select ID,ownerID,data,matter, handleState from Customer_service";
            this.dataGridView1.DataSource = DBHelper.GetDataSet(sql).Tables[0];
        }

        private void btnSearch_Click(object sender, EventArgs e)
        {
            string id = this.txtName.Text.ToString().Trim();
            string data = this.dataName.Value.ToShortDateString();
            string sql = string.Format("select ID,ownerID,data,matter, handleState from Customer_service where data between '{0}' and  '{1}' or ownerID like '%{2}%' order by data desc", data, DateTime.Now, id);
            dataGridView1.DataSource = DBHelper.GetDataSet(sql).Tables[0];

        }

        private void btnAdd_Click(object sender, EventArgs e)
        {
            WxAdd wx = new WxAdd();
            wx.Show();
        }

        private void toolStripButton2_Click(object sender, EventArgs e)
        {
            UpdateWeiXiu we = new UpdateWeiXiu(this.dataGridView1,this);
            we.Show();
        }

        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            WxAdd wd = new WxAdd();
            wd.Show();
        }

        private void 添加ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            WxAdd wd = new WxAdd();
            wd.Show();
        }

        private void 修改ToolStripMenuItem_Click(object sender, EventArgs e)