brian0031的专栏

DataRow[] dr = dt_all.Select(" w_id='" + 72 + "'"); x = 0.1; DataRow[] dr = dt_all.Select(" w_id='" + 77 + "'"); x = 1; 将上面的表达式进行合并后的另一种写法 DataRow Ldr = dt_part.Rows[0]; DataRow[] dr = dt_al

Linq to DataTable 合并相同的二个DataTable 且已重复的行不合并 private DataTable dt; private DataTable dt3; var query = from a in dt3.AsEnumerable() where dt.AsEnumerable().Where(b => a.Field("serialno") == b.Field(