querymember.cs

用于超市信息管理的系统

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace 超市信息管理系统.MarketSystem
{
    public partial class QueryMember : Form
    {
        private string select = "select * from marketMember";
        private string sql = "";
        private SqlConnection con1 = DataBaseConnection.connection();
        public QueryMember()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 根据备件选定查询语句
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Trim() == string.Empty)
            {
                MessageBox.Show("请输入所要查询的信息");
                return;
            }
            ///
            ///根据选择，确定Sql语句
            ///
            if (radioButton1.Checked == true)
            {
                sql = "select * from marketMember where memberCard='" + textBox1.Text.Trim() + "'";
                MessageBox.Show(sql);
            }
            if (radioButton2.Checked == true)
            {
                sql = "select * from marketMember where memberName='" + textBox1.Text.Trim() + "'";
                MessageBox.Show(sql);
            }
            
            //查询技术条件的数据
            try
            {
                //SqlCommand com = 
                 
                con1.Open();
                sqlDataAdapter1.SelectCommand = new SqlCommand(sql, con1);
                dataSet11.Clear();
                sqlDataAdapter1.Fill(dataSet11);
            }
            catch (SqlException oe)
            {
                MessageBox.Show(oe.Message);
            }
            finally{
                con1.Close();
            }
        }

        private void QueryMember_Load(object sender, EventArgs e)
        {
            sqlDataAdapter1.Fill(dataSet11);
        }
        /// <summary>
        /// 设置textBox1为空
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void radioButton1_CheckedChanged(object sender, EventArgs e)
        {
            textBox1.Text = "";
        }

        private void radioButton2_CheckedChanged(object sender, EventArgs e)
        {
            textBox1.Text = "";
        }

        private void button4_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            sql = "update marketMember set memberName='" + textBox4.Text.Trim() + "',memberPhone='" + textBox5.Text.Trim() + "',";
            sql+= "memberAddress='" + textBox6.Text.Trim() + "',NowCash='"+textBox8.Text.Trim()+"',locked='"+comboBox1.Text.Trim()+"'";
            sql += " where memberID='" + textBox2.Text.Trim() + "'";
            
            //更新数据
            DataBaseConnection.update(sql);
            
            //重新更新DataGrid的数据
            try
            {
                con1.Open();
                sqlDataAdapter1.SelectCommand = new SqlCommand(select, con1);
                sqlDataAdapter1.Fill(dataSet11);
            }
            catch (SqlException oe)
            {
                MessageBox.Show(oe.Message);
            }
            finally
            {
                con1.Close();
            }           
        }

        private void button3_Click(object sender, EventArgs e)
        {
            sql = "delete from marketMember where memberId='" + textBox2.Text.Trim() + "'";

            //数据删除
            DataBaseConnection.delete(sql);

            //重新更新DataGrid的数据
            try
            {
                con1.Open();
                sqlDataAdapter1.SelectCommand = new SqlCommand(select, con1);
                dataSet11.Clear();
                sqlDataAdapter1.Fill(dataSet11);
            }
            catch (SqlException oe)
            {
                MessageBox.Show(oe.Message);
            }
            finally
            {
                con1.Close();
            }    
        }

        private void button5_Click(object sender, EventArgs e)
        {
            sql = "insert into marketMember(memberID, memberCard, memberName, memberPhone, memberAddress, memberIdentify, TotalMoney, regDate, locked)";
            sql += "values('"+textBox10.Text.Trim()+"','"+textBox11.Text.Trim()+"','"+textBox12.Text.Trim()+"','"+textBox13.Text.Trim()+"','"+textBox14.Text.Trim()+"','"+textBox15.Text.Trim()+"','";
            sql +=Convert.ToDouble( textBox16.Text.Trim()) + "','" + dateTimePicker2.Value.ToUniversalTime() + "','" + comboBox2.Text.Trim() + "')";

            DataBaseConnection.insert(sql);
            
            /*
            con1.Open();
            sqlDataAdapter2.SelectCommand = new SqlCommand(select, con1);
            sqlDataAdapter2.Fill(dataSet11);
             * */

            DataRow row = dataSet11.Tables["MarketMemberAdd"].NewRow();
            row[0]= textBox10.Text.Trim();
            row[1]= textBox11.Text.Trim();
            row[2]= textBox12.Text.Trim();
            row[3]= textBox13.Text.Trim();
            row[4]= textBox14.Text.Trim();
            row[5]= textBox15.Text.Trim();
            row[6]= textBox16.Text.Trim();
            row[7] = dateTimePicker2.Value;
            row[8]= comboBox2.Text.Trim();
            dataSet11.Tables["MarketMemberAdd"].Rows.Add(row);

            try
            {
                con1.Open();
                sqlDataAdapter1.SelectCommand = new SqlCommand(select, con1);
                dataSet11.Clear();
                sqlDataAdapter1.Fill(dataSet11);
            }
            catch (SqlException oe)
            {
                MessageBox.Show(oe.Message);
            }
            finally
            {
                con1.Close();
            }
            MessageBox.Show("添加会员成功");

        }

        private void button6_Click(object sender, EventArgs e)
        {
            this.Close();
        }

    }
}