从Excel工作表中查询SQL查询中的条件

Question

从Excel工作表中选择时，如何在SQL查询中使用WHERE条件？

这是我的代码

string chitty = "MTP/HG2";

DataTable dtdate = con.select("Select min(FirstInstDate) as FirstInstDate from [Sheet3$] where SeriesNo = "+chitty+" ");

Answer 1

DataTable dtdate = con.select("Select min(FirstInstDate) as FirstInstDate from [Sheet3$] where SeriesNo = '"+chitty+"'");