用sqlcommand参数化查询,怎么把数据写入datatable ?
这是原来的代码,听说会被注入攻击string sql1 = "select * from article where time="+param+""; SqlDataAdapter sda1 = new SqlDataAdapter(sql1, conn); ...
使用SqlCommand,如何向其对象添加多个参数,通过winform在sql表中插入
Ihavetentextboxesinmywinform,andineedtosavethetexttypedinthesetextboxesinto10columnsofasqldatabasetable.so,forthisshalliwrite:我的winform中有10个文本框,我需要将这些...
SQL错误没有回滚整个SqlCommand
Ihavebeenplacingsetxact_abortonintoSQLcommandstatementsandnoticedthatitisnotrollingbackupdates,inserts,etcinmyC#SqlCommandonerror.Takenfromthispost.Th...
带参数的SqlCommand如何工作?
publicstringInsertStudent(Studentstudent){stringmessage="";SqlConnectionconnection=newSqlConnection(connectionString);stringquery="insertintoStudentsv...
使用参数化的SqlCommand是否使我的程序免受SQL注入?
I'mawarethatSQLinjectionisratherdangerous.NowinmyC#codeIcomposeparameterizedquerieswithSqlCommandclass:我知道SQL注入是相当危险的。现在在我的C#代码中,我使用SqlCommand类编写参数化查询...