I keep Geeting a FormatException was not handled error Input string not in correct format when I hit the button to display my output. It happens on the First
ListBox1.Items.Add(String.Format(fmtstng, Group, Male, Female, Male2, Female2, Total3)) Line. Anybody have any Ideas
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim Pop As IO.StreamReader = IO.File.OpenText("populationdata.txt")
Dim Group As String
Dim Male, Female, Total, Male2, Female2, Total2 As Double
Dim Total3 As Double
Dim fmtstng As String = "{0,-15} {1,14} {2,13} (3,12:p} {4,11:p} {5,10:p}"
Group = Pop.ReadLine
Total += CDbl(Pop.ReadLine)
Total += CDbl(Pop.ReadLine)
Group = Pop.ReadLine
Total += CDbl(Pop.ReadLine)
Total += CDbl(Pop.ReadLine)
Group = Pop.ReadLine
Total += CDbl(Pop.ReadLine)
Total += CDbl(Pop.ReadLine)
Pop.Close()
ListBox1.Items.Add("Age Group Females %Males %Females %Total")
Pop = IO.File.OpenText("populationdata.txt")
Group = Pop.ReadLine
Male = CDbl(Pop.ReadLine)
Female = CDbl(Pop.ReadLine)
Total2 = Male + Female
Male2 = Male / Total2 * 100
Female2 = Female / Total2 * 100
Total3 = Total2 / Total * 100
ListBox1.Items.Add(String.Format(fmtstng, Group, Male, Female, Male2, Female2, Total3))
Group = Pop.ReadLine
Male = CDbl(Pop.ReadLine)
Female = CDbl(Pop.ReadLine)
Total2 = Male + Female
Male2 = Male / Total2 * 100
Female2 = Female / Total2 * 100
Total3 = Total2 / Total * 100
ListBox1.Items.Add(String.Format(fmtstng, Group, Male, Female, Male2, Female2, Total3))
Group = Pop.ReadLine
Male = CDbl(Pop.ReadLine)
Female = CDbl(Pop.ReadLine)
Total2 = Male + Female
Male2 = Male / Total2 * 100
Female2 = Female / Total2 * 100
Total3 = Total2 / Total * 100
ListBox1.Items.Add(String.Format(fmtstng, Group, Male, Female, Male2, Female2, Total3))
Pop.Close()
End Sub
