form1.vb

Mastering VBNet Include Source Code

Public Class Form1
    Inherits System.Windows.Forms.Form

#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
    Friend WithEvents Button1 As System.Windows.Forms.Button
            Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents txtAmount As System.Windows.Forms.TextBox
    Friend WithEvents txtRate As System.Windows.Forms.TextBox
    Friend WithEvents txtDuration As System.Windows.Forms.TextBox
    Friend WithEvents txtPayment As System.Windows.Forms.TextBox
    Friend WithEvents chkPayEarly As System.Windows.Forms.CheckBox
        
    'Required by the Windows Form Designer
    Private components As System.ComponentModel.Container

    '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.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.txtAmount = New System.Windows.Forms.TextBox()
        Me.txtRate = New System.Windows.Forms.TextBox()
        Me.txtDuration = New System.Windows.Forms.TextBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.Label3 = New System.Windows.Forms.Label()
        Me.txtPayment = New System.Windows.Forms.TextBox()
        Me.chkPayEarly = New System.Windows.Forms.CheckBox()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Button1.Location = New System.Drawing.Point(8, 154)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(143, 29)
        Me.Button1.TabIndex = 7
        Me.Button1.Text = "Monthly Payment"
        '
        'txtAmount
        '
        Me.txtAmount.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.txtAmount.Location = New System.Drawing.Point(116, 15)
        Me.txtAmount.Name = "txtAmount"
        Me.txtAmount.TabIndex = 1
        Me.txtAmount.Text = ""
        '
        'txtRate
        '
        Me.txtRate.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.txtRate.Location = New System.Drawing.Point(116, 47)
        Me.txtRate.Name = "txtRate"
        Me.txtRate.Size = New System.Drawing.Size(80, 23)
        Me.txtRate.TabIndex = 3
        Me.txtRate.Text = ""
        '
        'txtDuration
        '
        Me.txtDuration.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.txtDuration.Location = New System.Drawing.Point(116, 79)
        Me.txtDuration.Name = "txtDuration"
        Me.txtDuration.Size = New System.Drawing.Size(62, 23)
        Me.txtDuration.TabIndex = 5
        Me.txtDuration.Text = ""
        '
        'Label1
        '
        Me.Label1.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(8, 18)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(100, 17)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "Amount"
        '
        'Label2
        '
        Me.Label2.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label2.Location = New System.Drawing.Point(8, 50)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(100, 17)
        Me.Label2.TabIndex = 2
        Me.Label2.Text = "Interest Rate"
        '
        'Label3
        '
        Me.Label3.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label3.Location = New System.Drawing.Point(8, 82)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(100, 17)
        Me.Label3.TabIndex = 4
        Me.Label3.Text = "Duration"
        '
        'txtPayment
        '
        Me.txtPayment.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.txtPayment.Location = New System.Drawing.Point(158, 157)
        Me.txtPayment.Name = "txtPayment"
        Me.txtPayment.Size = New System.Drawing.Size(128, 23)
        Me.txtPayment.TabIndex = 8
        Me.txtPayment.Text = ""
        '
        'chkPayEarly
        '
        Me.chkPayEarly.CheckAlign = System.Drawing.ContentAlignment.MiddleRight
        Me.chkPayEarly.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.chkPayEarly.Location = New System.Drawing.Point(10, 114)
        Me.chkPayEarly.Name = "chkPayEarly"
        Me.chkPayEarly.Size = New System.Drawing.Size(120, 24)
        Me.chkPayEarly.TabIndex = 6
        Me.chkPayEarly.Text = "Pay Early"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 187)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.chkPayEarly, Me.txtPayment, Me.Label3, Me.Label2, Me.Label1, Me.txtDuration, Me.txtRate, Me.txtAmount, Me.Button1})
        Me.Name = "Form1"
        Me.Text = "Loan WebService Demo"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim ws As New localhost.Service1()
        Dim amount
        Dim duration
        Dim rate
        Dim payEarly As Boolean
        Try
            amount = CDec(txtAmount.Text)
            duration = CInt(txtDuration.Text)
            rate = CSng(txtRate.Text)
            payEarly = False
            If chkPayEarly.Checked Then payEarly = True
        Catch DataException As SystemException
            MsgBox(DataException.ToString)
            Exit Sub
        End Try
        Try
            txtPayment.Text = -Math.Round(ws.Loan(amount, duration, rate, payEarly), 2)
        Catch calcException As Exception
            MsgBox(calcException.Message)
        End Try
    End Sub

End Class