Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
每次我使用 concat 函数从 mysql 存储过程中检索数据时,在将 datagridview 绑定到包含返回行的数据表后都会发生错误。
select CAST(concat(column1, column2)AS CHAR)从表 1 连接
select CAST(concat(column1, column2)AS CHAR)
我想你应该为选定的值创建一个别名:
select concat(column1, column2) as concatenated from table1