frmstockselect.cs

来自「关于医院进销存的系统」· CS 代码 · 共 107 行

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 YYJXC
{
    public partial class frmStockSelect : Form
    {
        public frmStockSelect()
        {
            InitializeComponent();
        }
        private DataSet ds = new DataSet();
        private DataView dv = null;
        private void frmStockSelect_Load(object sender, EventArgs e)
        {
            this.WindowState = FormWindowState.Maximized;
            cbFileds.Items.Add("药品编号");
            cbFileds.Items.Add("药品名称");
            cbFileds.Items.Add("进贷单据号");
            cbFileds.SelectedIndex = 1;
            cbTiaoJian.Items.Add("like");
            cbTiaoJian.Items.Add("=");
            cbTiaoJian.Items.Add(">");
            cbTiaoJian.Items.Add("<");
            cbTiaoJian.Items.Add(">=");
            cbTiaoJian.Items.Add("<=");
            cbTiaoJian.Items.Add("<>");
            cbTiaoJian.SelectedIndex = 0;
            SqlConnection Conn = new SqlConnection("server=" + CLoad.ReadServer() + ";pwd=" + CLoad.ReadPwd() + ";uid=sa;database=YYJXC");
            SqlDataAdapter da = new SqlDataAdapter("select * from tb_warehouse_dateiled", Conn);
            da.Fill(ds, "tb_warehouse_dateiled");
            dataGridView1.DataSource = ds.Tables["tb_warehouse_dateiled"];
            dv = new DataView(ds.Tables[0]);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (tbZhi.Text.Trim() == "")
            {
                MessageBox.Show("请输入查询值！", "信息提示");
                return;
            }
            if (cbFileds.SelectedIndex == 0)
            {
                if (cbTiaoJian.SelectedIndex == 0)
                {
                    MessageBox.Show("当查询字段为药品编号时，运算符不能为like！");
                    cbTiaoJian.Focus();
                    return;
                }
                dv.RowFilter = "药品编号 " + cbTiaoJian.Text + " " + tbZhi.Text.Trim();
            }
            else
            {
                if (cbTiaoJian.SelectedIndex != 0)
                    dv.RowFilter = cbFileds.Text + " " + cbTiaoJian.Text + " '" + tbZhi.Text.Trim() + "'";
                else
                    dv.RowFilter = cbFileds.Text + " " + cbTiaoJian.Text + " '*" + tbZhi.Text.Trim() + "*'";
            }
            dataGridView1.DataSource = dv;
        }

        private void tbZhi_KeyPress(object sender, KeyPressEventArgs e)
        {
            try
            {
                if ((Keys)e.KeyChar == Keys.Back) return;
                int.Parse(e.KeyChar.ToString());
            }
            catch { e.Handled = true; }
        }

        private void cbFileds_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (cbFileds.SelectedIndex == 0)
            {
                cbTiaoJian.SelectedIndex = 1;
                tbZhi.Text = "0";
                tbZhi.Focus();
                tbZhi.SelectAll();
                tbZhi.KeyPress += new KeyPressEventHandler(tbZhi_KeyPress);
            }
            else
            {
                tbZhi.Clear();
                tbZhi.KeyPress -= tbZhi_KeyPress;
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            dv.RowFilter = null;
            dataGridView1.DataSource = dv;
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}