The underlying provider failed on Open

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sqlserver连接字符串

server=112.122.112.16;Database=gdd_tu_shi_fen_gong;uid=sa;pwd=chuangqi168@@;

EF报The underlying provider failed on Open异常,一般不是连接字符串问题,需要检查sa账号是否有权限访问配置的数据库,如果没有则创建一个权限更高的账号,能访问gdd_tu_shi_fen_gong

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