Pass value between two form in vb.net

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Hi friends,

I have a project in which I have two window forms Form1 and Form2.

I have a variable on form1 coding EmpName, and I want to show the Form2 on a button click of Form1 using the following coding and also want to show the value of above mentioned variable on a label lb1 which is on Form2.

The code I'm using for show the Form2 is..

VB

Private Sub btn_Search_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn_Search.Click
        Form2.ShowDialog()
End Sub

Please help me...

Thanks in advance
Parveen Rathi

Posted 11-Sep-11 20:57pm

Parveen Rathi

Updated 12-Sep-11 18:42pm

v4

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Dalek Dave 12-Sep-11 3:27am

Edited for Clarity.

6 solutions

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Prerak Patel · Answer 1 · 2011-09-11T21:00:00

Solution 1

Passing Values between Forms in .NET 1.x with C# and VB.NET examples[^]
Passing Data Between Forms[^]

Posted 11-Sep-11 21:00pm

Prerak Patel

Comments

Dalek Dave 12-Sep-11 3:27am

Nice Link.

Pravin Patil, Mumbai · Answer 2 · 2011-09-11T21:04:00

There are two ways to do so :
1. Use the constructor to take the value as input
2. Use the property

Check out :
1. Passing Data Between Forms[^]
2. Passing values between forms[^]
3. VB.NET - Pass data between forms[^]
4. Pass some data and return some data across the forms.[^]

Hope this helps.
All the best.

Parveen Rathi · Answer 3 · 2011-09-12T23:45:00

Write the following code on Button Click of Form1

VB

'Declare a variable of string type
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim pass As String = "Head"
        Dim frm As New Form2(pass)
        frm.ShowDialog()

    End Sub

Write the following code on Form2 class

VB

Dim eid As String = ""
    Public Sub New(ByVal empid As String)
        InitializeComponent()
        eid = empid
    End Sub

and the following code on Load event of Form2

VB

Private Sub Form2_Load_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Label1.Text = eid.ToString()
    End Sub

Musavi Touqeer · Answer 4 · 2011-09-16T00:54:00

Solution 4

Dear Pravin Patil,

Dear getting this warning

Warning 1:The field 'pars.Form2.label5' is never used

Posted 16-Sep-11 0:54am

Musavi Touqeer

koolprasad2003 · Answer 5 · 2011-09-16T00:58:00

Solution 5

passing values between forms[^]

Posted 16-Sep-11 0:58am

koolprasad2003

Parveen Rathi · Answer 6 · 2012-04-09T18:04:00

You can use module class in vb.net, File -> Add New Item -> Module class, and declare all global variables here and you can use these variable any where in the current project.

In case of C# you can add a class file and declare the required variable static like Static int id. and use it any where in the project like global.id, here global is my class name where the id variable is declare