Filtering a List using LINQ -

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hello have class called empowercalendarcode:

it has following fields calendarcode, calendarname, effectivestartdate, empowertaxtype, longagencycode, taxdepositfrequencybasetypeid.

i want filter list based on longagenycode , empowertaxtype. lets say:

public ilist<empowercalendarcode> getempowercalendarcodes(string longagencycode, string empowertaxtype) {       //todo:  }

if more 1 empowercalendarcode same longagencycode, empowertaxtype has same taxdepositfrequencybasetypeid , should pick 1 has recent effectivestartdate. how ould able write linq query. okay if have 2 3 queries result.

any ideas , suggestions appreciated!

try this:

ctx.empowercalendarcodes .where(a=>a.longagencycode == longagencycode && a.empowertaxtype == empowertaxtype) .orderbydescending(a=>a.effectivestartdate) .firstordefault();

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