disable binding navigator

Question

hello...

i would like to ask how to disable the buttons in BindingNavigator.. below is the code i used in disabling the buttons but whenever i run the program nothing happens..the buttons are still enabled..

Private Sub BindingNavigatorAddNewItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BindingNavigatorAddNewItem.Click

        BindingNavigatorMoveFirstItem.Enabled = False
        BindingNavigatorDeleteItem.Enabled = False
        BindingNavigatorAddNewItem.Enabled = False
        BindingNavigatorMoveLastItem.Enabled = False
        BindingNavigatorMoveNextItem.Enabled = False
        BindingNavigatorMovePreviousItem.Enabled = False
        BindingNavigatorPositionItem.Enabled = False
End Sub

Answer 1

bel.lies said:

How to disable the buttons on BindingNavigator via BindingNavigatorAddNewItem_Click?

Private Sub BindingNavigatorAddNewItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BindingNavigatorAddNewItem.Click
        BindingNavigatorMoveFirstItem.Enabled = False
        BindingNavigatorDeleteItem.Enabled = False
        BindingNavigatorAddNewItem.Enabled = False
        BindingNavigatorMoveLastItem.Enabled = False
        BindingNavigatorMoveNextItem.Enabled = False
        BindingNavigatorMovePreviousItem.Enabled = False
        BindingNavigatorPositionItem.Enabled = False
End Sub

Hi bel.lies,

In those button_Click events on the BindingNavigator, there has been default encapsulated behaviour to set other buttons' Enable property based on BindingNavigatorPosition.

To disable the buttons on BindingNavigator via BindingNavigatorAddNewItem_Click, you can override the default behavior of the AddNewItem button like this: 

Private Sub BindingNavigatorAddNewItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BindingNavigatorAddNewItem.Click

BindingNavigator1.BeginInvoke(New MethodInvoker(AddressOf DisableItems))

End Sub

Private Sub DisableItems()

BindingNavigatorMoveFirstItem.Enabled = False

BindingNavigatorDeleteItem.Enabled = False

BindingNavigatorAddNewItem.Enabled = False

BindingNavigatorMoveLastItem.Enabled = False

BindingNavigatorMoveNextItem.Enabled = False

BindingNavigatorMovePreviousItem.Enabled = False

BindingNavigatorPositionItem.Enabled = False

End Sub

You also can hide (instead of disabling) the buttons on BindingNavigator via BindingNavigatorAddNewItem_Click via the following two approaches:

Private Sub BindingNavigatorAddNewItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BindingNavigatorAddNewItem.Click

BindingNavigatorMoveFirstItem.Visible = False

BindingNavigatorDeleteItem.Visible = False

BindingNavigatorAddNewItem.Visible = False

BindingNavigatorMoveLastItem.Visible = False

BindingNavigatorMoveNextItem.Visible = False

BindingNavigatorMovePreviousItem.Visible = False

BindingNavigatorPositionItem.Visible = False

End Sub

Private Sub BindingNavigatorAddNewItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BindingNavigatorAddNewItem.Click

Me.BindingNavigator1.AddNewItem.Available = False

Me.BindingNavigator1.DeleteItem.Available = False

Me.BindingNavigator1.MoveNextItem.Available = False

Me.BindingNavigator1.MovePreviousItem.Available = False

Me.BindingNavigator1.MoveFirstItem.Available = False

Me.BindingNavigator1.MoveLastItem.Available = False

Me.BindingNavigator1.PositionItem.Available = False

End Sub

Best regards,
Martin Xie

Answer 2

Hi Martin Xie,
this is a real good solution. I was searching for this since two days without finding something.
Thank you
Sphinxx

Answer 3

Hi Sphinxx,

Glad that the solution could hep you.

By the way, another similar case will be helpful to you too, which demonstrated how to add popup warning message feature when you click Delete icon button on BindingNavigator.

http://social.msdn.microsoft.com/Forums/en/vbgeneral/thread/e5b8ff08-b2ce-4dfe-a135-14022601d25f/


Thank you for your active participation in MSDN community.


Best regards,
Martin Xie

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