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使用C#怎么编写一个餐饮管理系统？针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。
frmBook.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DAL;
namespace Catering
{
public partial class frmBook : Form
{
public frmBook()
{
InitializeComponent();
}
public void getData()
{
string Filter = " WHERE 1 = 1 ";
if (txtName.Text.Trim() != "")
{
Filter += " AND Name Like '%" + txtName.Text + "%'";
}
BookEntity book = new BookEntity();
DataTable dt = book.Query(Filter);
this.dataGridView1.DataSource = dt;
for (int i = 1; i < this.dataGridView1.Columns.Count; i++)
{
this.dataGridView1.Columns[i].ReadOnly = true;
}
}
private void frmBook_Load(object sender, EventArgs e)
{
getData();
}
//全选
private void btnChose_Click(object sender, EventArgs e)
{
bool b = false;
if (btnChose.Text == "全 选")
{
b = true;
btnChose.Text = "取消全选";
}
else
{
b = false;
btnChose.Text = "全 选";
}
for (int i = 0; i < this.dataGridView1.Rows.Count; i++)
{
dataGridView1.Rows[i].Cells[0].Value = b;
}
this.dataGridView1.EndEdit();
this.dataGridView1.CurrentCell = null;
}
//删除
private void btnDelete_Click(object sender, EventArgs e)
{
dataGridView1.EndEdit();
dataGridView1.CurrentCell = null;
DataTable dt = (DataTable)this.dataGridView1.DataSource;
DataRow[] drs = dt.Select("选择=1");
if (drs.Length == 0)
{
MessageBox.Show("请选择要删除的记录！");
return;
}
foreach (DataRow dr in drs)
{
BookEntity book = new BookEntity();
book.Id = Convert.ToInt32(dr["编号"].ToString());
book.Delete();
}
MessageBox.Show("删除成功！");
getData();
}
//查询
private void btnSearch_Click(object sender, EventArgs e)
{
getData();
}
//双击修改
private void dataGridView1_MouseDoubleClick(object sender, MouseEventArgs e)
{
if (this.dataGridView1.CurrentRow.Index > -1)
{
frmBookEdit frm = new frmBookEdit();
frm.StartPosition = FormStartPosition.CenterScreen;
frm.IdNo = dataGridView1.CurrentRow.Cells[1].Value.ToString();
if (frm.ShowDialog() == DialogResult.OK)
{
getData();
}
}
}
}
}frmControl.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DAL;
namespace Catering
{
public partial class frmControl : Form
{
public frmControl()
{
InitializeComponent();
}
private void frmControl_Load(object sender, EventArgs e)
{
#region 生成餐桌信息
TableNoEntity table = new TableNoEntity();
DataTable dt = table.Query(" ORDER BY DispalyIndex ");
int x = 46;
int y = 66;
int width = 150;
int height = 95;
//动态生成餐台
for (int i = 0; i < dt.Rows.Count; i = i + 5)
{
for (int j = 0; j < 5 && (i + j) < dt.Rows.Count; j++)
{
DataRow dr = dt.Rows[i + j];
//生成餐台图片控件
PictureBox pictureBox = new PictureBox();
pictureBox.ContextMenuStrip = this.contextMenuStrip1;
pictureBox.Image = Image.FromFile(Application.StartupPath + "\\res\\绿.gif");
//判断是否有预定
BookEntity book = new BookEntity();
DataTable dat = book.Query(" where TableNo ='" + dr["TableNo"] + "' AND BookTime>getdate()");
if (dat.Rows.Count > 0)
{
pictureBox.Image = Image.FromFile(Application.StartupPath + "\\res\\黄.gif");
}
//判断是否在使用
OrdersEntity orders = new OrdersEntity();
DataTable dats = orders.Query(" where TableNo ='" + dr["TableNo"] + "' and PayORnot ='否'");
if (dats.Rows.Count > 0)
{
pictureBox.Image = Image.FromFile(Application.StartupPath + "\\res\\红.gif");
}
pictureBox.Location = new System.Drawing.Point(x, y);
pictureBox.Name = "pictureBox_" + dr["TableNo"].ToString();
pictureBox.Size = new System.Drawing.Size(width, height);
pictureBox.TabStop = false;
pictureBox.Visible = true;
pictureBox.SendToBack();
this.Controls.Add(pictureBox);
//生成餐台说明信息
Label lbl = new Label();
lbl.Name = "lbl_" + dr["TableNo"].ToString();
lbl.Text = dr["TableNo"].ToString() + " " + dr["SitCount"].ToString() + "座位";
lbl.Font = new Font("宋体", 10);
lbl.BackColor = Color.Transparent;
lbl.Location = new Point(25, 30);
pictureBox.Controls.Add(lbl);
x = x + 200;
}
y = y + 150;
x = 46;
}
#endregion
}
private void 预定ToolStripMenuItem_Click(object sender, EventArgs e)
{
string Name = contextMenuStrip1.SourceControl.Name;
string[] str = Name.Split('_');
frmBookEdit frm = new frmBookEdit();
frm.StartPosition = FormStartPosition.CenterScreen;
frm.TopMost = true;
frm.Id = str[1];
if (frm.ShowDialog() == DialogResult.OK)
{
((PictureBox)contextMenuStrip1.SourceControl).Image = Image.FromFile(Application.StartupPath + "\\res\\黄.gif");
}
}
private void 结账ToolStripMenuItem_Click(object sender, EventArgs e)
{
string Name = contextMenuStrip1.SourceControl.Name;
string[] str = Name.Split('_');
frmPayEdit frm = new frmPayEdit();
frm.StartPosition = FormStartPosition.CenterScreen;
//frm.TopMost = true;
frm.Id = str[1];
if (frm.ShowDialog() == DialogResult.OK)
{
((PictureBox)contextMenuStrip1.SourceControl).Image = Image.FromFile(Application.StartupPath + "\\res\\绿.gif");
}
}
private void 退订ToolStripMenuItem_Click(object sender, EventArgs e)
{
}
private void 点菜ToolStripMenuItem1_Click(object sender, EventArgs e)
{
string Name = contextMenuStrip1.SourceControl.Name;
string[] str = Name.Split('_');
frmOrdersEdit frm = new frmOrdersEdit();
frm.StartPosition = FormStartPosition.CenterScreen;
frm.TopMost = true;
frm.Id = str[1];
if (frm.ShowDialog() == DialogResult.OK)
{
((PictureBox)contextMenuStrip1.SourceControl).Image = Image.FromFile(Application.StartupPath + "\\res\\红.gif");
}
}
private void btnRefesh_Click(object sender, EventArgs e)
{
}
}
}关于使用C#怎么编写一个餐饮管理系统问题的解答就分享到这里了，希望以上内容可以对大家有一定的帮助，如果你还有很多疑惑没有解开，可以关注创新互联成都网站设计公司行业资讯频道了解更多相关知识。
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