请教大佬代码问题

[qq_39047434]

string OrgOID= loginUserInfo.OrgOID.ToString();
string ClassCode=loginUserInfo.OrgClassCode.ToString();

string sql=" tb_answer.status=2 AND LEN(dbo.tb_answer.uid)=36 AND ISNULL(tb_answer.ZT,0)=0 AND ISNULL(tb_answer.IsDelete,0)=0 ";
if(this.loginUserInfo.UserOID.ToString()!="00000000-0000-0000-0000-000000000001"){
sql += " and T4.ClassCode like '"+ClassCode+"%' ";
SysDBModel.UCML_User obj_user = new SysDBModel.UCML_User();
string UserOID = loginUserInfo.UserOID.ToString();
string sql_user=" SELECT * FROM dbo.UCML_GROUPMaster WHERE Performer LIKE '%"+UserOID+"%' AND GroupID='05' ";

DataTable dt_user=obj_user.ExecuteQuery(sql_user);
if (OrgOID.ToUpper() == "000DD200-0000-0000-0000-000050C415EB" || dt_user.Rows.Count>0 )//如果是辅助的管理员
{

string sql_post = " SELECT t3.PostClass FROM dbo.UCML_CONTACT t1 LEFT OUTER JOIN dbo.UCML_Post t2 ON t1.UCML_PostOID=t2.UCML_PostOID "
+" LEFT OUTER JOIN dbo.UCML_PostClass T3 ON T2.UCML_PostClassOID = T3.UCML_PostClassOID "
+ " WHERE t1.UCML_UserOID = '" + UserOID + "' ";

DataTable dt = obj_user.ExecuteQuery(sql_post);
string PostName = dt.Rows[0]["PostClass"].ToString();
if (PostName.Contains("辅助"))
{
sql += " AND B2.typeid=1 ";
}
if (PostName.Contains("自然"))
{
sql += " AND B2.typeid=3 ";
}
}
}
return sql;
请问这个代码的作用是什么

[卖水果的net]

这段代码就是 查数据。

[八月十八]

话说我咋只看得懂部分呢