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04.24.2008 at 09:06PM PDT, ID: 23352637

	[x] Attachment Details

How to calculate the mean, max and min in a VB.NET program?

Asked by aspirinmornings in Visual Studio .NET 2005

Tags: Microsoft, Visual Basic .Net, 2005

Hi All,
I am trying to make a program for my class where i have to use a function to make sure the weight i enter is between 0 and 500 and a number. I have made the function and it works, and it is set to clear the weight text box after it works, which is what the teacher said to do.

However, as different weights are entered, the counter goes up, and i need to have the max (highest) number of them all displayed and the lowest (min) displayed when analyze is clicked, as well as the mean of all the numbers entered so far. How do i accomplish this, i attached a picture of the program as well as my code, anything is helpful.

I have tried some different things, but can't figure out a way for the program to hold the information entered so its not erased when the function completes. ThanksStart Free Trial

         
           
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             Public Class frmMain
 
    Private mItemNum As Integer = 1
 
    Private Function ValidateData() As Boolean
 
        If IsNumeric(txtWeight.Text) = False Then
            MessageBox.Show("Weight must be numeric.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information)
            txtWeight.Focus()
            Return False
        End If
        If CType(txtWeight.Text, Integer) = False Then
            MessageBox.Show("Weight must be an integer.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information)
            txtWeight.Focus()
            Return False
        End If
        If Integer.Parse(txtWeight.Text) < 0 Or _
        Integer.Parse(txtWeight.Text) > 500 Then
            MessageBox.Show("Weight must be > 0 but < 500.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information)
            txtWeight.Focus()
            Return False
        End If
        Return True
 
    End Function
 
    Private Sub btnEnter_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEnter.Click
 
        If ValidateData() = False Then
            Exit Sub
        End If
 
        txtWeight.Text = ""
        btnAnalyze.Enabled = True
 
        mItemNum = mItemNum + 1
        lblItemNumber.Text = mItemNum.ToString
 
 
    End Sub
 
    Private Sub btnAnalyze_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAnalyze.Click
 
 
    End Sub
 
    Private Sub btnExit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click
 
        Close()
 
    End Sub
End Class

           
         

Attachments:

LabTest.jpg (17 KB) (File Type Details)

Image of Program

Keywords: How to calculate the mean, max and …

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How to calculate the mean, max and min in a VB.NET program?

Asked by aspirinmornings in Visual Studio .NET 2005

Tags: Microsoft, Visual Basic .Net, 2005

About this solution