Split ASP.Net TextArea (Multiline TextBox) value and save in different columns using VB.Net

The text area contains 3 rows below one another as follows:

123.5

286.6

789.6

i want to insert the record into 3 columns.

If decMaxReading >= strEmailBody Then
    strEmailMessage = strEmailBody
    Dim decReading As List(Of Decimal) = New List(Of Decimal)()
    For Each decReading As String In strEmailMessage.Text.Trim().Split(vbLf)
        If Not String.IsNullOrEmpty(number.Trim()) Then
             m_oAM = New aplAutomator(DBConn_Plant_Automation)
             m_oAM.InsertVoltageDip(intPMonitoringReaderMax,decReading(0),decReading(1),decReading(2),decEmailBody,Date,m_oAM.UniqueHash) 
         End If
     Next