Various methods to get data table value - Local sheet

Various methods to get data table value
val = DataTable.Value("ParamName",dtLocalSheet)
val = DataTable.Value("ParamName","<LocalActionName>")
val = DataTable("ParamName",dtLocalSheet)
Val = DataTable("ParamName","<LocalActionName>")

'The local sheet of the action which is executing this statement
val = DataTable.LocalSheet.GetParameter("ParamName").value