财务管理/receipt_payment.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Documents;
using System.Windows.Forms;

namespace Car.财务管理
{
    public partial class receipt_payment : Form
    {
        public receipt_payment()
        {
            InitializeComponent();
        }
        protected override CreateParams CreateParams  //防止界面闪烁
        {
            get
            {
                CreateParams paras = base.CreateParams;
                paras.ExStyle |= 0x02000000;
                return paras;
            }
        }
        int i;
        int start;
        int size = 8;
        string str = "server=.;database=car;uid=sa;pwd=51Aspx";
        string str1 = "select * from v_commodity_custorder";
        private void receipt_payment_Load(object sender, EventArgs e)
        {
            this.BackColor = Color.FromArgb(81, 81, 81);
            DataTable dt = DBHelper.GetDataTable("select * from v_commodity_custorder");
            dgv_receipt_payment.DataSource = dt;
            i = dt.Rows.Count;//获取行数
            show(0, size);//调用show函数
            start = 0;
            labelcount.Text = string.Format("第{0}页/共{1}页 共{2}条数据", start + 1, i / size + 1, i);//显示数据
            string sql = string.Format("select sum(Customer_order.prices-Car_commodity.price) as profits from Car_commodity ,Customer_order where Car_commodity.car_id=Customer_order.carshibieid ");
            DataTable dtt = DBHelper.GetDataTable(sql);
            gross_profit.Text = Convert.ToString(dtt.Rows[0]["profits"]);
        }

        private void 刷新ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            DataTable dt = DBHelper.GetDataTable("select * from v_commodity_custorder");
            dgv_receipt_payment.DataSource = dt;
        }
        private void button1_Click(object sender, EventArgs e)
        {
            string date = text_date.Text;
            if (string.IsNullOrEmpty(date))
            {
                MessageBox.Show("请输入查询日期");