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public static DataRow[] Fun(DataTable dt1, DataTable dt2)
{
return dt1.Rows.Cast<DataRow>().Where(x => dt2.Rows.Cast<DataRow>()
.Where(y => y.ItemArray.Except(x.ItemArray).Count() <= 0).Count() <= 0).ToArray();
}
public static DataRow[] Fun1()
{
DataTable dt1 = new DataTable();
dt1.Columns.Add("AA");
dt1.Columns.Add("BB");
dt1.Rows.Add("aa", "bb");
dt1.Rows.Add("aaa","bbb");
DataTable dt2 = new DataTable();
dt2.Columns.Add("AA");
dt2.Columns.Add("BB");
dt2.Rows.Add("aa", "bb");
bool b = object.Equals(dt1.Rows[0], dt2.Rows[0]);
return dt1.Rows.Cast<DataRow>().Where(x => dt2.Rows.Cast<DataRow>().Where(y => y.ItemArray.Except(x.ItemArray).Count() <= 0).Count() <= 0).ToArray();
}