在vs2005中引用了using System.Data.SQLite; 定义了一个连数据库连接变量public SQLiteConnection dBConn; 就报下面这个错误了. The type 'System.Data.Common.DbConnection' is defined in an ass ......
SQL code: SELECT a1.FileID AS FileID, SUM( a1.Count + a2.Count + a3.Count + a4.Count ) AS Count from gmpTableWordList AS a1 INNER JOIN gmpTableWordList AS a2 INNER JOIN gmpTableWordList AS a3 IN ......