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ybadragon Anything is possible. What matters is what is probable. Keep in mind probability is a variable we can all alter.

Posts I've Made

In Topic: Number not 0-100 display messagebox

Posted 27 Feb 2013
lar3ry, on 27 February 2013 - 09:03 AM, said:
```
If IsNumeric(TextBox1.Text) AndAlso CInt(TextBox1.Text) < 100 Then
```
I didn't know about AndAlso until now, it's interesting. Learn something new everyday
In Topic: Number not 0-100 display messagebox

Posted 27 Feb 2013
IronRazer, on 27 February 2013 - 08:27 AM, said:
You can also use this to check if it is a number
```
        If IsNumeric(TextBox1.Text) Then
            'Do all the other commands and case selection in here
        Else
            'Tell user not valid
        End If
```
Good catch, I forgot about IsNumeric.

In Topic: Number not 0-100 display messagebox

Posted 27 Feb 2013

Quote

But in this case, i need to exclude words/letters, anything lower than 0, and anything higher than 100. its in the private sub textbox1_leave.

In this case you would first need to do Integer.TryParse(), then if that passes, do your check to see if what they have entered is between those two numbers.


Public Class Form1

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

        Dim i As Integer

        If Integer.TryParse(TextBox1.Text, i) Then ' see if what user entered is a number
            If CInt(TextBox1.Text) > 0 And CInt(TextBox1.Text) < 101 Then ' test if it's between specified values
                MessageBox.Show("Valid Entry")
            Else
                MessageBox.Show("Invalid Entry")
            End If
        Else
            MessageBox.Show("Invalid Entry")
        End If
    End Sub
End Class

In Topic: Text To Decimal is not valid? Please help

Posted 20 Feb 2013

lar3ry, on 20 February 2013 - 07:45 AM, said:
The colon is the problem. when doing a convert. You'll have to split the hoes and minutes, calculate the decimal part of the hour, and recombine them.

I laughed at this typo while at work and got weird looks back
In Topic: get text of the selected item in combobox

Posted 4 Feb 2013

@kristina1

Try setting a Breakpoint in the code you provided at line 3, and check the value of SelectedValue, then step through the code using the F8 key, and check the values of your other variables, to see where exactly it is failing to see an Object reference.