基本信息维护/业主信息/OwenrInformation.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;
using System.Data.SqlClient;
namespace PropertyManagementSystem
{
    public partial class OwenrInformation : Form
    {
        public OwenrInformation()
        {
            InitializeComponent();
        }

        //创建ds数据集对象
        DataSet ds = new DataSet();
        private void OwenrInformation_Load(object sender, EventArgs e)
        {
            string sql = "select * from Customer";
            this.dataGridView1.DataSource = DBHelper.GetDataSet(sql).Tables[0];
        }

        private void btnSearch_Click(object sender, EventArgs e)
        {
            //获取筛选条件
            string yezhu = txtName.Text;
            string pnumber = txtPNumber.Text;
            string sql = "select * from Customer where ownerName like '%" + yezhu + "%' and PNumber like '%" + pnumber + "%'";
            this.dataGridView1.DataSource = DBHelper.GetDataSet(sql).Tables[0];
        }

        private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            string id = this.dataGridView1.SelectedRows[0].Cells["roomID"].Value.ToString();
            DialogResult r = MessageBox.Show("您确定要删除?", "提示",
               MessageBoxButtons.YesNo, MessageBoxIcon.Question);
            if (r == DialogResult.Yes)
            {
                string sql = "delete from Customer where roomID=" + id;
                bool result = DBHelper.GetExecuteNonQuery(sql);
                if (result)
                {
                    MessageBox.Show("删除成功！");
                    OwenrInformation_Load(sender, e);
                }
                else
                {
                    MessageBox.Show("删除失败！");
                }
            }
        }

        private void 删除ToolStripMenuItem1_Click(object sender, EventArgs e)
        {