Public Class frmCockpit Private Shared _Instance As frmCockpit = Nothing Public Shared Function Instance() As frmCockpit If _Instance Is Nothing OrElse _Instance.IsDisposed = True Then _Instance = New frmCockpit End If _Instance.BringToFront() Return _Instance End Function Sub Load_Task_Over_All() Try Dim captiongrbx captiongrbx = CURRENT_TASKS_GENERAL.Rows.Count & " Tasks - Team/Group" grbxTasksGeneral.Text = captiongrbx Dim i As Integer For Each row As DataRow In CURRENT_TASKS_GENERAL.Rows 'Dim i = row.Item(0) 'Dim y = row.Item(1) Dim _string = row.Item(0).ToString & "-" & row.Item(1) With ListViewTasksGeneral.Items.Add(_string.ToString, 0) '.SubItems.Add(row.Item(1)) '.SubItems.Add("Dritte Spalte") .Tag = row.Item(0) End With i += 1 If i Mod 2 = 0 Then ListViewTasksGeneral.Items(i).BackColor = Color.Lavender End If Next Catch ex As Exception End Try End Sub Private Sub frmCockpit_Load(sender As Object, e As EventArgs) Handles Me.Load Load_Task_Over_All() End Sub End Class