hello, i want to make a function which checks if a value is a number or not....
i've got this;
Code:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
For i As Integer = 0 To Integer.MaxValue
If TextBox2.Text = CType(i, String) Then
GoTo er
Exit Sub
Else
i = 1
TextBox3.Text = TextBox3.Text.Replace("//Created by Table Viewer v1.0 Beta", " " & ComboBox1.Text & " " & TextBox2.Text & ";" & vbNewLine & "//Created by Table Viewer v1.0 Beta")
Exit For
End If
Next
er:
MsgBox("The value name can't be an integer!", MsgBoxStyle.Exclamation, "Error")
End Sub
But when I try it, and insert a number in the textbox it shows the message box but it adds the value to a list too I don't want it to the list