private string DeterminePcode() { string rval = "se"; string input = comboBoxPcode.Text.ToLower().Trim(); if (input.StartsWith("snow", StringComparison.CurrentCultureIgnoreCase)) { if (HydrometInfoUtility.ArchiveParameterExists(comboBoxCbtt.Text.Trim().ToUpper(), "SE")) { rval = "se"; } else if (HydrometInfoUtility.ArchiveParameterExists(comboBoxCbtt.Text.Trim().ToUpper(), "SP")) { rval = "sp"; } } else if (input.StartsWith("flow", StringComparison.CurrentCultureIgnoreCase)) { rval = "qd"; } else if (input.StartsWith("stor", StringComparison.CurrentCultureIgnoreCase)) { rval = "af"; } else if (input.StartsWith("prec", StringComparison.CurrentCultureIgnoreCase)) { rval = "pu"; } else { rval = input; } return(rval); }