我正在尝试使用Dapper ORM。我可以使用下面的代码查询表中的数据:Using conn = New SqlConnection(ConnectionString) comments = conn.Query(Of Comment)("SELECT * from comments where userid = @commentid", New With {.userid= 1})我有兴趣学习如何使用D
writer = new PdfWriter(url_file); Rectangle pagesize= new Rectangle(148, 350); document.setMargins(2,table1);
document.close(); netbeans向我显示的错误如下: incompatible types: Re