change RadGrid Telrik Control Filter Globalization Text

the function to change filter Text to be in arabic language for radGrid Control
Imports Telerik.Web.UI

Public Sub ChangeRadGridFilterText()
        Dim Menu As GridFilterMenu = RadGrid1.FilterMenu
        Dim item As RadMenuItem
        For Each item In Menu.Items

            Select Case item.Text

                Case "NoFilter"
                    item.Text = "كل العناصر بدون تصفية"
                Case "Contains"
                    item.Text = "يحتوي على"
                Case "DoesNotContain"
                    item.Text = "لا يحتوي على"
                Case "StartsWith"
                    item.Text = "يبدأ ب "
                Case "EndsWith"
                    item.Text = "ينتهي ب "
                Case "EqualTo"
                    item.Text = "يساوي قيمة "
                Case "NotEqualTo"
                    item.Text = "لا يساوي قيمة "
                Case "GreaterThan"
                    item.Text = "أكبر من  "
                Case "LessThan"
                    item.Text = "أقل من  "
                Case "GreaterThanOrEqualTo"
                    item.Text = "أكبر من أو يساوي  "
                Case "LessThanOrEqualTo"
                    item.Text = "أقل من أو يساوي  "
                Case "Between"
                    item.Text = "بين رقمين "
                Case "NotBetween"
                    item.Text = "ليس بين رقمين "
                Case "IsEmpty"
                    item.Text = "قيمة فارغ  "
                Case "NotIsEmpty"
                    item.Text = "ليس قيمة فارغة  "
                Case "IsNull"
                    item.Text = "يساوي Null "
                Case "NotIsNull"
                    item.Text = "لا يساوي Null "
            End Select
        Next
    End Sub