Dim year As Integer = DateTime.Now.Year
Dim k As Integer = "00000"
count()
Dim dt As DataTable = New DataTable
Dim dr As DataRow
dt.Columns.Add("RowNumber")
dt.Columns.Add("ID-Genarate")
dt.Columns.Add("Column1")
'dt.Columns.Add(New DataColumn(TypeOf ("TextBox1") Is String))
dr = dt.NewRow
dr("RowNumber") = TextBox2.Text
dr("ID-Genarate") = "CH" & year & Convert.ToDecimal(k) + 1