visualbasicuser
Member
- Joined
- Jun 17, 2003
- Messages
- 7
I use Visual Basic.Net and have been having a problem passing a variable between forms without using button clicks. I defined the TestVar in Module1 as "Adam". I expect the Public Variable to pass to the Form1 however I have to execute a button click to pass the contents of the variable to the form. Why?? Do I have to do this! I really dont want to!!! HELP!!!!!! Why does my variable
that has been declared Public in Module1 not pass on to Form1???
Heres an example:
Module Module1
Public TestVar As String
Public NewForm1 As New Form1()
Public NewForm2 As New Form2()
Public Sub Main()
TestVar = "Adam"
NewForm1.ShowDialog()
End Sub
End Module
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
Call GetVar()
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 Button1 As System.Windows.Forms.Button
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents Button2 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.Button1 = New System.Windows.Forms.Button()
Me.TextBox1 = New System.Windows.Forms.TextBox()
Me.Button2 = New System.Windows.Forms.Button()
Me.SuspendLayout()
Button1
Me.Button1.Location = New System.Drawing.Point(48, 32)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(104, 64)
Me.Button1.TabIndex = 0
Me.Button1.Text = "Button1"
TextBox1
Me.TextBox1.Location = New System.Drawing.Point(40, 152)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.Size = New System.Drawing.Size(312, 20)
Me.TextBox1.TabIndex = 1
Me.TextBox1.Text = "TextBox1"
Button2
Me.Button2.Font = New System.Drawing.Font("Tahoma", 14.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Button2.Location = New System.Drawing.Point(32, 264)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(104, 48)
Me.Button2.TabIndex = 2
Me.Button2.Text = "Exit"
Form1
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(496, 341)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button2, Me.TextBox1, Me.Button1})
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
End Sub
#End Region
GetVar() executed in form1
Public Sub GetVar()
TextBox1.Text = TestVar <========== Why is a blank displayed? I expected to see "Adam" displayed
End Sub
End Class
that has been declared Public in Module1 not pass on to Form1???
Heres an example:
Module Module1
Public TestVar As String
Public NewForm1 As New Form1()
Public NewForm2 As New Form2()
Public Sub Main()
TestVar = "Adam"
NewForm1.ShowDialog()
End Sub
End Module
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
Call GetVar()
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 Button1 As System.Windows.Forms.Button
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents Button2 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.Button1 = New System.Windows.Forms.Button()
Me.TextBox1 = New System.Windows.Forms.TextBox()
Me.Button2 = New System.Windows.Forms.Button()
Me.SuspendLayout()
Button1
Me.Button1.Location = New System.Drawing.Point(48, 32)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(104, 64)
Me.Button1.TabIndex = 0
Me.Button1.Text = "Button1"
TextBox1
Me.TextBox1.Location = New System.Drawing.Point(40, 152)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.Size = New System.Drawing.Size(312, 20)
Me.TextBox1.TabIndex = 1
Me.TextBox1.Text = "TextBox1"
Button2
Me.Button2.Font = New System.Drawing.Font("Tahoma", 14.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Button2.Location = New System.Drawing.Point(32, 264)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(104, 48)
Me.Button2.TabIndex = 2
Me.Button2.Text = "Exit"
Form1
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(496, 341)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button2, Me.TextBox1, Me.Button1})
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
End Sub
#End Region
GetVar() executed in form1
Public Sub GetVar()
TextBox1.Text = TestVar <========== Why is a blank displayed? I expected to see "Adam" displayed
End Sub
End Class