[RESOLVED] DataGridView won't refresh

[Fedaykin]

I'm throwing myself on the mercy of the court here. I cannot get this DataGridView that is nested in a TabControl Tabpage3 to refresh without refreshing it twice. It's like a zombie DataGridView. I'm opening up a new form and writing dates to the database. When I close the pop-up form I'm calling TabControl1.SelectedIndexChanged which in turn calls this SchTabLoad. Everything fires, but the grid will not refresh until I manually refresh it. I really hope I'm just doing something stupid, because this is driving me nuts.

Dim dtSch As New DataTable 'DataGridView4
    Dim bs4 As New BindingSource
 
    Public Sub SchTabLoad(sender As Object, e As EventArgs)
 
        bs4.ResetBindings(False)
        DataGridView4.DataSource = Nothing
        bs4.DataSource = Nothing
        dtSch.Clear()
 
        'Schedule Tab Production DataGridview4
        Dim sqCon As New SqlClient.SqlConnection(DB)
        Dim sqCmd As New SqlClient.SqlCommand
 
        Dim Adapter As New SqlDataAdapter
        Dim sql As String = "SELECT * FROM  Table"
 
        sqCmd.Connection = sqCon            'create the DB connection 
        sqCon.Open()                        'open the connection
        
        Adapter.SelectCommand = New SqlCommand(sql, sqCon)
        Adapter.Fill(dtSch)
        sqCon.Close()
 
        bs4.DataSource = dtSch
        Me.DataGridView4.DataSource = bs4
        Me.DataGridView4.Refresh()
 
    End Sub