c# - Filtering Sql table Data in Linq -

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i m new linq, m searching articles using

dbsearchdatacontext db = new dbsearchdatacontext();          object q = b in db.articles                    b.tags.contains(val) |                    b.newstitle.contains(val) |                    b.englishcontent.contains(val)                    select b;

i can not exclude results category = video or photos

please me exclude category value "videos" or "photographs"

dbsearchdatacontext db = new dbsearchdatacontext();           object q = b in db.articles                                            (b.tags.contains(val) ||                                b.newstitle.contains(val) ||                                b.englishcontent.contains(val)) &&             !( b.somecategorylist.containts("videos") || b.somecategorylist.contains("photos") )            select b;

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