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Visual Basic Help

Re: hmmm

Postby glexp » Tue Mar 02, 2004 4:35 pm

thankins wrote:
Hope all that makes sense. I set it up like you said but how do I get the radiobuttons in so that the program sees that radio button Package A is selected and calculates that. I believe that the hoursused If statement is correct I jut dont know how to add in the radio buttons [/code]


When you double click on the particular button on the project form, you'll be presented with a blank function i.e.:

Private Sub Option1_Click()

End Sub

Set any variables and/or calculations specific to the button there. Since VB is "event driven" none of the code written in "Option1_Click()" will execute until the user selects the button.
With that, you may have to re-structure your program flow a bit. I'm no VB guru so can't really help you there.

hope this helps...
GP
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Postby odayict » Wed Mar 03, 2004 2:56 am

:no
need more help please, actual code would help. thanks anyway. Come on, I know thier is some person in this forum knows vb.
odayict

Postby Weaver » Wed Mar 03, 2004 8:16 am

Come on, I know thier is some person in this forum knows vb.


I don't know about that one... I don't want to knock the langauge, as it does a fine job of that on its own. Personally I would recommend removing VB from your list of langauges that you use.

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The primary purpose of the DATA statement is to give names to constants; instead of referring to pi as 3.141592653589793 at every appearance, the variable PI can be given that value with a DATA statement and used instead of the longer form of the constant. This also simplifies modifying the program, should the value of pi change.
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hmm..

Postby odayict » Thu Mar 04, 2004 2:18 am

Maybe I would agree
but Vb is the easiest learn-by yourself language
I cant learn C++ or JAVA, dont get me started withe Pascal.
Plus, vb has the best visual tool. You can compile and view your program with a touch of a button.
odayict

Postby eddiemacdonald42 » Wed May 19, 2004 12:17 pm

If you use the Dialog control, you can have the user select the file with the dialog. Save the [u]filename[/u] from the dialog into a SaveSetting in the registry. Call it from what ever sub you want to use it in with the GetSetting.

Ex:

Dim MyFile as String <- A VARIABLE TO HOLD THE FILES NAME AND PATH
Dialog1.show open <- Open the dialog and select file
If Dialog1.FileName = "" then exit sub <-If the user cancels avoid error
MyFile = Dialog1.FileName
SaveSetting(app.title,"MySettings","FilePath",MyFile)

now, if you want to get the file name and path you do this

text1.text = GetSetting(app.title,"MySettings","FilePath",""

what's coll about the GetSetting and SaveSetting method is that if you know the name of the app and section and key values, you can also call the same information from ANY vb application you write. I do this all the time when I program. I map databases on several client machines at work and store them this way to call them from other components of the software, also, because the mapping can change from machine to machine, you can DYNAMICALLY add delete or change the keys! If you want more information, let PM me and I will do a short vb proj to demo for you so you can learn how to do it yourself.
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Postby eddiemacdonald42 » Wed May 19, 2004 12:22 pm

I justlooked at your origional post. That program is tres simple my friend, it would take about ten minutes to do. you want it done so you can see how this works? WITHOUT a module?
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Postby odayict » Thu May 20, 2004 1:40 am

i figure it out, glad you can help.
maybe later on i well have a another problem.
odayict

Postby hellraiser_2030 » Thu May 20, 2004 6:39 am

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

'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 TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
Friend WithEvents RadioButton1 As System.Windows.Forms.RadioButton
Friend WithEvents RadioButton2 As System.Windows.Forms.RadioButton
Friend WithEvents RadioButton3 As System.Windows.Forms.RadioButton
Friend WithEvents CheckBox1 As System.Windows.Forms.CheckBox
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents Label2 As System.Windows.Forms.Label
Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.Label1 = New System.Windows.Forms.Label
Me.TextBox1 = New System.Windows.Forms.TextBox
Me.GroupBox1 = New System.Windows.Forms.GroupBox
Me.RadioButton3 = New System.Windows.Forms.RadioButton
Me.RadioButton2 = New System.Windows.Forms.RadioButton
Me.RadioButton1 = New System.Windows.Forms.RadioButton
Me.CheckBox1 = New System.Windows.Forms.CheckBox
Me.Button1 = New System.Windows.Forms.Button
Me.Label2 = New System.Windows.Forms.Label
Me.TextBox2 = New System.Windows.Forms.TextBox
Me.GroupBox1.SuspendLayout()
Me.SuspendLayout()
'
'Label1
'
Me.Label1.Location = New System.Drawing.Point(8, 24)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(64, 24)
Me.Label1.TabIndex = 0
Me.Label1.Text = "Time Used"
'
'TextBox1
'
Me.TextBox1.Location = New System.Drawing.Point(72, 24)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.Size = New System.Drawing.Size(72, 20)
Me.TextBox1.TabIndex = 1
Me.TextBox1.Text = ""
'
'GroupBox1
'
Me.GroupBox1.Controls.Add(Me.RadioButton3)
Me.GroupBox1.Controls.Add(Me.RadioButton2)
Me.GroupBox1.Controls.Add(Me.RadioButton1)
Me.GroupBox1.Location = New System.Drawing.Point(16, 56)
Me.GroupBox1.Name = "GroupBox1"
Me.GroupBox1.Size = New System.Drawing.Size(208, 112)
Me.GroupBox1.TabIndex = 2
Me.GroupBox1.TabStop = False
Me.GroupBox1.Text = "Products"
'
'RadioButton3
'
Me.RadioButton3.Location = New System.Drawing.Point(16, 80)
Me.RadioButton3.Name = "RadioButton3"
Me.RadioButton3.Size = New System.Drawing.Size(176, 24)
Me.RadioButton3.TabIndex = 2
Me.RadioButton3.Text = "Package C"
'
'RadioButton2
'
Me.RadioButton2.Location = New System.Drawing.Point(16, 48)
Me.RadioButton2.Name = "RadioButton2"
Me.RadioButton2.Size = New System.Drawing.Size(176, 24)
Me.RadioButton2.TabIndex = 1
Me.RadioButton2.Text = "Package B"
'
'RadioButton1
'
Me.RadioButton1.Location = New System.Drawing.Point(16, 24)
Me.RadioButton1.Name = "RadioButton1"
Me.RadioButton1.Size = New System.Drawing.Size(176, 16)
Me.RadioButton1.TabIndex = 0
Me.RadioButton1.Text = "Package A"
'
'CheckBox1
'
Me.CheckBox1.Location = New System.Drawing.Point(152, 24)
Me.CheckBox1.Name = "CheckBox1"
Me.CheckBox1.Size = New System.Drawing.Size(168, 24)
Me.CheckBox1.TabIndex = 3
Me.CheckBox1.Text = "Non-Profit Organization"
Me.CheckBox1.Visible = False
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(64, 192)
Me.Button1.Name = "Button1"
Me.Button1.TabIndex = 4
Me.Button1.Text = "Calculate"
'
'Label2
'
Me.Label2.Location = New System.Drawing.Point(168, 200)
Me.Label2.Name = "Label2"
Me.Label2.Size = New System.Drawing.Size(56, 16)
Me.Label2.TabIndex = 5
Me.Label2.Text = "Total"
'
'TextBox2
'
Me.TextBox2.Location = New System.Drawing.Point(232, 200)
Me.TextBox2.Name = "TextBox2"
Me.TextBox2.Size = New System.Drawing.Size(104, 20)
Me.TextBox2.TabIndex = 6
Me.TextBox2.Text = ""
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(432, 273)
Me.Controls.Add(Me.TextBox2)
Me.Controls.Add(Me.Label2)
Me.Controls.Add(Me.Button1)
Me.Controls.Add(Me.CheckBox1)
Me.Controls.Add(Me.GroupBox1)
Me.Controls.Add(Me.TextBox1)
Me.Controls.Add(Me.Label1)
Me.Name = "Form1"
Me.Text = "Form1"
Me.GroupBox1.ResumeLayout(False)
Me.ResumeLayout(False)

End Sub

#End Region

Dim iHoursPerPackage As Integer
Dim dChargePerPackage As Decimal
Dim iExtraHours As Integer
Dim dExtraChargePerExtraHour As Decimal
Dim dDiscount As Decimal = 0

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
TextBox2.Text = CalculateTotalDue()

End Sub

Private Sub RadioButton1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton1.CheckedChanged
CheckBox1.Visible = True
iHoursPerPackage = 10
dChargePerPackage = 9.95
dExtraChargePerExtraHour = 2.0
End Sub

Private Sub RadioButton2_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles RadioButton2.CheckedChanged
CheckBox1.Visible = True
iHoursPerPackage = 20
dChargePerPackage = 14.95
dExtraChargePerExtraHour = 1.0

End Sub

Private Sub RadioButton3_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles RadioButton3.CheckedChanged
CheckBox1.Visible = True
iHoursPerPackage = Convert.ToInt32(TextBox1.Text)
dChargePerPackage = 19.95
dExtraChargePerExtraHour = 0
End Sub

Private Sub CheckBox1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged
dDiscount = 0.2
End Sub
Private Function CalculateTotalDue() As Double
Dim dTotal As Double = 0

'Assign the Charge for the normal hour of usage
dTotal = dChargePerPackage

'Second find out the extra hour used and add to the above total
iExtraHours = Convert.ToInt32(TextBox1.Text) - iHoursPerPackage
If (iExtraHours > 0) Then
dTotal = dTotal + (iExtraHours * dExtraChargePerExtraHour)
End If

'Thirdly check if the Discount is available
If (dDiscount > 0) Then
dTotal = 0.8 * dTotal
End If

Return dTotal
End Function
End Class

I didnt have VS 6 on computer installed hence i created the code in VB.NET Hope the logic will understandable.
Just neglect the code with in the #Region tags thats .NET related.


Regards,
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Re: Visual Basic Help

Postby borfalon » Thu May 20, 2004 3:16 pm

thankins wrote:Hi guys, hopefully you can help me. I have to do this program for class and can't seem to figure out what to do. and the d*mn tutorials are helping.

Here is my problem: Create a program where user should select the package for the customer from a set of radio button and enter the number of hours used. A check box captioned "Non-Profit Organization" should also appear on the form. The application should calculate and display the total due. If the user selects "Non Profit Org" check box a 20% discount should be deducted.
Package A: 10 hours for 9.95 Addition Hours 2.00 per hour
Package B: 20 hours for 14.95 Addition Hours 1.00 per hour
Package C: Unlimted hours for 19.95


I have the layout done and all that but I dont know how to calculate the addition hours in with price. If you want I could email you the vb file and you could look at it. What should it look like

Please HELP

Travis

Sorry :embarrassed: , maybe a little too late, but I joined today... here is the code
Code: Select all
Option Explicit

Const PKGA_BASE_RT = 9.95
Const PKGA_BASE_HRS = 10
Const PKGA_EXTRA_HR_RT = 2

Const PKGB_BASE_RT = 14.95
Const PKGB_BASE_HRS = 20
Const PKGB_EXTRA_HR_RT = 1

Const PKGC_BASE_RT = 19.95
Const PKGC_BASE_HRS = 0
Const PKGC_EXTRA_HR_RT = 0

Const NP_DSCT_PCNT = 0.2

Private Sub btbCalc_Click()

    Dim dblSubTotal As Double
    Dim dblTotal As Double
    Dim dblUnitPrice As Double
    Dim intMinHours As Integer
    Dim dblExtraPrice As Double
   
'I understood user can select only one package, so I set a control array with the
'RadioButtons giving them the same name
   
    'First we test if hours is numeric or not
    If IsNumeric(txtHours.Text) Then
   
        'Okay, let's see if they doesn't exceed the maximum number of hours
        If (CInt(txtHours.Text) >= 1 And CInt(txtHours.Text) <= 744) Then
       
            'Okay, everything set up correctly, now let's calculate the subtotal
            'based upon the radio button checked
            If radPack(0).Value = True Then
                dblUnitPrice = PKGA_BASE_RT
                intMinHours = PKGA_BASE_HRS
                dblExtraPrice = PKGA_EXTRA_HR_RT
            End If
            If radPack(1).Value = True Then
                dblUnitPrice = PKGB_BASE_RT
                intMinHours = PKGB_BASE_HRS
                dblExtraPrice = PKGB_EXTRA_HR_RT
            End If
            If radPack(2).Value = True Then
                dblUnitPrice = PKGC_BASE_RT
                intMinHours = PKGC_BASE_HRS
                dblExtraPrice = PKGC_EXTRA_HR_RT
            End If
            'Begin calc
            'Subtotal
            If intMinHours = 0 Then
                'We are with Package C, which means "plain price"
                dblSubTotal = dblUnitPrice
            Else
                'We are with the other two Packages
                If CInt(txtHours.Text) <= intMinHours Then
                    dblSubTotal = dblUnitPrice
                Else
                    dblSubTotal = dblUnitPrice + ((CInt(txtHours.Text) - intMinHours) * dblExtraPrice)
                End If
            End If
            'Discounts
            If chkNonProfit.Value = Checked Then
                dblTotal = dblSubTotal - (dblSubTotal * NP_DSCT_PCNT)
            Else
                dblTotal = dblSubTotal
            End If
            'Finish calc, now display the total due
            txtTotalDue.Text = CStr(dblTotal)
        Else
            MsgBox "Hours must be between 1 and 744"
            txtHours.SetFocus
        End If
    Else
        MsgBox "Must type a numeric value for the hours"
        txtHours.SetFocus
    End If
End Sub

I hope you like it :roleeyes
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Postby odayict » Sat Jun 05, 2004 11:49 pm

thanks alot, for a first post your doing great.
come and join in ProNetworks.
odayict

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