c# - linq to sql query with checkboxes where condition combination -


if checkbox chkaus checked :

if (chkaus.checked)                 {                     vadvancesearchresults  = (from t in vadvancesearchresults                                     join imp in _bdatacontext.imprints on t.imprintid equals imp.id                                     join cc in _bdatacontext.countrycodes on imp.countryid equals cc.id                                     cc.code.contains("au")                                     select t).distinct();**                 }

if chkaus , chknz checked

if (chknz.checked && chkaus.checked)             {                 vadvancesearchresults = (from t in vadvancesearchresults                                 join imp in _bdatacontext.imprints on t.imprintid equals imp.id                                 join cc in _bdatacontext.countrycodes on imp.countryid equals cc.id                                 cc.code.contains("au") || cc.code.contains("nz")                                 select t).distinct();             }

the condition on linq query changes checkboxes checked.

where cc.code.contains("au") || cc.code.contains("nz")

i have 10 checkboxes, , got stuck on how write many conditions. please.

for example if there chkus : combination chkaus,chknz,chkus checkboxes linq query change.

where cc.code.contains("au") || cc.code.contains("nz") || cc.code.contains("us")

put of them in list , if list.contains(cc.code)

var = new list<string>(){"au","nz","us"}; var linq =  (from t in vadvancesearchresults                                 join imp in _bdatacontext.imprints on t.imprintid equals imp.id                                 join cc in _bdatacontext.countrycodes on imp.countryid equals cc.id                                 a.contains(cc.code)                                 select t).distinct();

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