触发器禁止同时删除2行以上_Sql Server

求助触发器禁止同时删除2行以上
这个是我的代码提示 FROM 周围有错误求解谢谢了

SQL code

CREATE TRIGGER TRI_NAME_DEL  ON tblStudent FOR  DELETE ASDECLARE @towcount intSET @towcount= COUNT(*) from DELETED if @towcount>2ROLLBACK  TRANSACTIONprint 'you cannot delete more than one student at a time!'END

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SQL code

CREATE TRIGGER TRI_NAME_DEL  ON tblStudent FOR  DELETE asbeginDECLARE @towcount intselect @towcount= COUNT(*) from DELETED if @towcount>2begin  ROLLBACK  TRANSACTION  print 'you cannot delete more than one student at a time!'endEND