INSERT INTO 语句的语法错误。
cmd_3.CommandText = "INSERT INTO User_inf VALUES ('" + tokens[1] + "', '" + tokens[2] + "','" + tokens[3] + "','" + tokens[4] + "','" + tokens[5] + "','" + tokens[6] + "','" + tokens[7] + "','" + tokens[8] + "','" + tokens[9] + "','" + tokens[10] + "')";
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