为什么下段代码总提示"括号内的字符串没有正确结束"
string strInsert=" insert into code_save (id,name,soft_name,server_name,codes,updata_date) values (";
strInsert+=n + " , '";
strInsert+=Names + "' , '";
strInsert+=Soft + " ', '";
strInsert+=Server + " ',";
strInsert+=new_code + " ',";
strInsert+=date + " )";
string strInsert=" insert into code_save (id,name,soft_name,server_name,codes,updata_date) values (";
strInsert+=n + " , '";
strInsert+=Names + "' , '";
strInsert+=Soft + " ', '";
strInsert+=Server + " ',";
strInsert+=new_code + " ',";
strInsert+=date + " )";
strInsert+=new_code + " ',";为什么不用System.Text.StringBuilder?