Hệ thống quản lý thanh toán POS nhà hàng
1 Imports System.Data.OleDb
2 Public Class frmAvailableTables
3 Dim UserButtons As List(Of Button) = New List(Of Button)
4 Private Sub frmAvailableTables_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
5 AvailableTables()
6 End Sub
7 Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
8 Try
9 Dim btn1 As Button = CType(sender, Button)
10 Dim str As String = btn1.Text.Trim()
11 con = New OleDbConnection(cs)
12 con.Open()
13 Dim cb As String = "Update KOTGeneration set TableNo=@d1 where TableNo=@d2"
14 cmd = New OleDbCommand(cb)
15 cmd.Parameters.AddWithValue("@d1", str)
16 cmd.Parameters.AddWithValue("@d2", lblTable.Text)
17 cmd.Connection = con
18 cmd.ExecuteReader()
19 con.Close()
20 frmCustomDialog2.ShowDialog()
21 Me.Hide()
22 frmBillling.txtTableNo.Text = ""
23 frmBillling.fillTableNo()
24 frmBillling.Show()
25 Catch ex As Exception
26 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
27 End Try
28 End Sub
29 Sub AvailableTables()
30 Try
31 con = New OleDbConnection(cs)
32 con.Open()
33 Dim ct As String = "select R_Table.TableNo from R_Table where R_Table.Status='Activate' and R_Table.TableNo not in (Select TableNo from KOTGeneration where Status='Unpaid')"
34 cmd = New OleDbCommand(ct)
35 cmd.Connection = con
36 rdr = cmd.ExecuteReader()
37 FlowLayoutPanel1.Controls.Clear()
38 Do While (rdr.Read())
39 Dim btn As New Button
40 btn.Text = rdr.GetValue(0)
41 btn.TextAlign = ContentAlignment.MiddleCenter
42 btn.BackColor = Color.LightGreen
43 btn.FlatStyle = FlatStyle.Popup
44 btn.Width = 180
45 btn.Height = 80
46 btn.Font = New System.Drawing.Font("Microsoft Sans Serif", 15.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
47 UserButtons.Add(btn)
48 FlowLayoutPanel1.Controls.Add(btn)
49 AddHandler btn.Click, AddressOf Me.Button2_Click
50 Loop
51 con.Close()
52 Catch ex As Exception
53 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
54 End Try
55 End Sub
56 Private Sub btnCancel_Click(sender As System.Object, e As System.EventArgs) Handles btnCancel.Click
57 Me.Close()
58 End Sub
59
60 Private Sub btnRefresh_Click(sender As System.Object, e As System.EventArgs) Handles btnRefresh.Click
61 AvailableTables()
62 End Sub
63
64 End Class
