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VB.NET Getting textbox values from textbox array??

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Gotang
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2 posts since Jan 2010
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Hi,

I have been searching for a few days now for a solution to my problem. Please excuse any programming faux pas as I am very new to programming.

I have created a textbox array based on the number of 'Channels' on another form. This number dictates how many textboxes (and other controls) to add to my new form.

I expect the user to type in their 'type' of channel into each textbox.

The thing I am having problems with is once the user types in the information, how do I access the data and store it for a future form?

Here is my code (once again excuse my programming skills):

Public Class Fixture1Setting

    Dim labels As New List(Of Label)

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

        Form1.Timer1.Enabled = True
        Form1.Show()
        Form1.BringToFront()
        Me.Hide()

    End Sub


    Private Sub Form1_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed

        Form1.Show()
        Form1.BringToFront()

    End Sub

    Private Sub Fixture1Setting_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        Label1.Text = Form1.FixLabel1.Text

        Dim alabel As Label
        Dim tboxtype As TextBox
        Dim tboxfrom As TextBox
        Dim tboxto As TextBox
        Dim chkboxyes As CheckBox

        ' Create Label Array     
        For i As Byte = 1 To Val(Form1.ChannelTextBox1.Text) ' ChannelTextBox1 = Number of Channels

            alabel = New Label

            With alabel
                .Parent = Me
                .Left = 0
                .Height = 13
                .Width = 100
                .Top = .Height * i + 50
                .Visible = True
                .Tag = i
                .Text = "Channel Settings:"
                .Name = "label_" & i
                .Location = New Point(12, 40 + (i * 30))
            End With
            labels.Add(alabel)
        Next

        'Create TextboxType Array
        For i As Byte = 1 To Val(Form1.ChannelTextBox1.Text) ' ChannelTextBox1 = Number of Channels

            tboxtype = New TextBox

            With tboxtype
                .Parent = Me
                .Left = 0
                .Height = 13
                .Width = 80
                .Top = .Height * i + 50
                .Visible = True
                .Tag = i
                .Text = ""
                .Name = "textboxtype_" & i
                .Location = New Point(120, 40 + (i * 30))
                Form1.Label1.Text = tboxtype.Text
            End With

        Next

        'Create TextBoxFrom Array
        For i As Byte = 1 To Val(Form1.ChannelTextBox1.Text) ' ChannelTextBox1 = Number of Channels

            tboxfrom = New TextBox

            With tboxfrom
                .Parent = Me
                .Left = 0
                .Height = 13
                .Width = 30
                .Top = .Height * i + 50
                .Visible = True
                .Tag = i
                .Text = "1"
                .Name = "textboxfrom_" & i
                .Location = New Point(211, 40 + (i * 30))

            End With

        Next

        'Create TextBoxTo Array
        For i As Byte = 1 To Val(Form1.ChannelTextBox1.Text) ' ChannelTextBox1 = Number of Channels

            tboxto = New TextBox

            With tboxto
                .Parent = Me
                .Left = 0
                .Height = 13
                .Width = 30
                .Top = .Height * i + 50
                .Visible = True
                .Tag = i
                .Text = "255"
                .Name = "textboxto_" & i
                .Location = New Point(262, 40 + (i * 30))

            End With

        Next

        'Create CheckBoxYes Atrray
        For i As Byte = 1 To Val(Form1.ChannelTextBox1.Text) ' ChannelTextBox1 = Number of Channels

            chkboxyes = New CheckBox

            With chkboxyes
                .Parent = Me
                .Left = 0
                .Height = 13
                .Width = 20
                .Top = .Height * i + 50
                .Visible = True
                .Tag = i
                .Name = " chkboxyes_" & i
                .Checked = True
                .Location = New Point(323, 40 + (i * 30))

            End With

        Next

    End Sub

End Class

I have added an image of the form iof this helps.

I thank you in advance and look farward to any replies.

Gotang

Attachments Fixture_Setting.bmp (854.35KB)
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ChrisPadgham
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450 posts since Sep 2009
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Have you considered using either an array (choice 1) or a collection (choice 2) that you can iterate through

'choice 1
        Dim i As Integer
        Dim tbarray(10) As TextBox
        For i = 0 To Val(Form1.ChannelTextBox1.Text) - 1
            ' set your values
        Next i

        'choice 2
        Dim tblist As New Collection
        Dim tb As New TextBox
        tb.Parent = Me
        tblist.Add(tb)
Question Answered as of 4 Years Ago by ChrisPadgham
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Gotang
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2 posts since Jan 2010
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Here is the amended code. Can you spot the deliberate mistake. :-)

Dim tboxtype(Val(Form1.ChannelTextBox1.Text)) As TextBox
'.
'.
'.
'.
 'Create TextboxType Array
        For i As Byte = 0 To Val(Form1.ChannelTextBox1.Text) - 1 ' ChannelTextBox1 = Number of Channels

            tboxtype(i) = New TextBox

            With tboxtype(i)
                .Parent = Me
                .Left = 0
                .Height = 13
                .Width = 80
                .Top = .Height * i + 50
                .Visible = True
                .Tag = i
                .Text = ""
                .Name = "textboxtype_" & i
                .Location = New Point(120, 40 + (i * 30))

            End With

        Next

So easy when you know how and what a nice way to generate forms at runtime.

Cheers again Chris.

Gotang

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