20230307

//完全一致検索

string strSerch = dtN.Rows[X]["NZUBAN"].ToString();

var FindZU =
dtZ.AsEnumerable().Where(i => i["ZZUBAN"].ToString().Contains(strSerch));

if (FindZU.Any())
{
DataTable dtFindZU = FindZU.CopyToDataTable();

//DataView dv = dtFindZU.(true, "ZZUBAN");
//★VIEWで重複を削除して★
dtN.Rows[X]["aimai"] = dtN.Rows[0]["ZZUBAN"];
}