frm_room.vb

application file which contains the notes on Ado.net

Imports System.Math
Imports System.Data.OleDb
Public Class frm_room
    Inherits System.Windows.Forms.Form
    Dim MyConnection As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\PIS.mdb")
    Dim MyCommand
    Dim e As Exception
    Dim MyCommand2
    Dim MyReader As OleDbDataReader
    Dim MyReader2 As OleDbDataReader
    Dim dbset As New DataSet
    Dim dataA
#Region "CODE STARTS HERE"
    Function updaterooms()
        MyConnection.Open()
        MyCommand = New OleDbCommand("UPDATE Rooms SET Roomrate ='" & TextBox2.Text & "', Roomtype = '" & TextBox3.Text & "', Status = '" & TextBox4.Text & "', Capacity = '" & TextBox5.Text & "' WHERE roomno ='" & TextBox1.Text & "' ", MyConnection)
        MyCommand.ExecuteNonQuery()
        MyConnection.Close()
        MyCommand.dispose()
    End Function
    ' Function deleteroom()
    '    MyConnection.Open()
    '   MyCommand = New OleDbCommand("DELETE FROM Rooms WHERE Roomno ='" & TextBox1.Text & "' ", MyConnection)
    '  Try
    '     MyCommand.ExecuteNonQuery()
    'Catch c As Exception
    '    MsgBox(c.ToString)
    'End Try
    'MyConnection.Close()
    'MyCommand.dispose()
    'End Function
    Function clearfields()
        TextBox1.Text = ""
        TextBox2.Text = ""
        TextBox3.Text = ""
        TextBox4.Text = ""
        TextBox5.Text = ""
    End Function
    Function nocheck() As Boolean
        If TextBox1.Text = "" Then
            Return True
        Else
            Return False
        End If
    End Function
#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox5 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button4 As System.Windows.Forms.Button
    Friend WithEvents PictureBox2 As System.Windows.Forms.PictureBox
    Friend WithEvents Button5 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frm_room))
        Me.Label1 = New System.Windows.Forms.Label
        Me.PictureBox1 = New System.Windows.Forms.PictureBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.Label4 = New System.Windows.Forms.Label
        Me.Label5 = New System.Windows.Forms.Label
        Me.Label6 = New System.Windows.Forms.Label
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.TextBox3 = New System.Windows.Forms.TextBox
        Me.TextBox4 = New System.Windows.Forms.TextBox
        Me.TextBox5 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button4 = New System.Windows.Forms.Button
        Me.Button5 = New System.Windows.Forms.Button
        Me.PictureBox2 = New System.Windows.Forms.PictureBox
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Font = New System.Drawing.Font("Arial Black", 20.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.ForeColor = System.Drawing.SystemColors.InactiveCaption
        Me.Label1.Location = New System.Drawing.Point(40, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(120, 40)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "Rooms"
        '
        'PictureBox1
        '
        Me.PictureBox1.Cursor = System.Windows.Forms.Cursors.Hand
        Me.PictureBox1.Image = CType(resources.GetObject("PictureBox1.Image"), System.Drawing.Image)
        Me.PictureBox1.Location = New System.Drawing.Point(8, 8)
        Me.PictureBox1.Name = "PictureBox1"
        Me.PictureBox1.Size = New System.Drawing.Size(24, 24)
        Me.PictureBox1.TabIndex = 1
        Me.PictureBox1.TabStop = False
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(48, 56)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(100, 16)
        Me.Label2.TabIndex = 2
        Me.Label2.Text = "Room No"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(48, 88)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(100, 16)
        Me.Label3.TabIndex = 3
        Me.Label3.Text = "Room Rate"
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(48, 120)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(100, 16)
        Me.Label4.TabIndex = 4
        Me.Label4.Text = "Room Type"
        '
        'Label5
        '
        Me.Label5.Location = New System.Drawing.Point(48, 152)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(100, 16)
        Me.Label5.TabIndex = 5
        Me.Label5.Text = "Status"
        '
        'Label6
        '
        Me.Label6.Location = New System.Drawing.Point(48, 184)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(104, 16)
        Me.Label6.TabIndex = 6
        Me.Label6.Text = "Capacity"
        '
        'TextBox1
        '
        Me.TextBox1.BackColor = System.Drawing.SystemColors.Info
        Me.TextBox1.Location = New System.Drawing.Point(160, 48)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.TabIndex = 7
        Me.TextBox1.Text = ""
        '
        'TextBox2
        '
        Me.TextBox2.BackColor = System.Drawing.SystemColors.Info
        Me.TextBox2.Location = New System.Drawing.Point(160, 80)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.TabIndex = 8
        Me.TextBox2.Text = ""
        '
        'TextBox3
        '
        Me.TextBox3.BackColor = System.Drawing.SystemColors.Info
        Me.TextBox3.Location = New System.Drawing.Point(160, 112)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.TabIndex = 9
        Me.TextBox3.Text = ""
        '
        'TextBox4
        '
        Me.TextBox4.BackColor = System.Drawing.SystemColors.Info
        Me.TextBox4.Location = New System.Drawing.Point(160, 144)
        Me.TextBox4.Name = "TextBox4"
        Me.TextBox4.TabIndex = 10
        Me.TextBox4.Text = ""
        '
        'TextBox5
        '
        Me.TextBox5.BackColor = System.Drawing.SystemColors.Info
        Me.TextBox5.Location = New System.Drawing.Point(160, 176)
        Me.TextBox5.Name = "TextBox5"
        Me.TextBox5.TabIndex = 11
        Me.TextBox5.Text = ""
        '
        'Button1
        '
        Me.Button1.BackColor = System.Drawing.SystemColors.ControlLight
        Me.Button1.Location = New System.Drawing.Point(64, 208)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 12
        Me.Button1.Text = "Add"
        '
        'Button2
        '
        Me.Button2.BackColor = System.Drawing.SystemColors.ControlLight