定义并实例化一个对象,有以下几种方法等1. Dim rs As New Recordset2. Dim rs As Recordset Set rs=New Recordset3. Dim rs As Object Set rs=CreateObject("adodb.recordset")
是不是每定义一个RS 都要加NEW?
多用几次 Dim Rs1 As New ADODB.Recordset Dim Rs2 As New ADODB.Recordset
多用几次 Dim Rs1 As New ADODB.Recordset Dim Rs2 As New ADODB.Recordset
Dim Rs1 As New ADODB.Recordset
我以前听人说 不要加NEW 可我不加NEW 系统提示出错 !是不是一定要加NEW?
不加NEW可以啊,不过得要SET。
面向对象呀,老兄。 adodb.recordset是类,要想得到一个它的可操作对象有两种办法: 1、new一个,也就是实例化一个对象。set rs1=new adodb.recordset 2、把它指向一个已存在的对象(这个对象也可操作),此时不用new, set rs1=rs2.
1.dim rs as new adodb.recordset2.dim rs as adodb.recordset set rs = new adodb.recordset
Dim rs As Recordset Set rs= Recordset 系统提示出错!加了NEW就好了 Dim rs As Recordset Set rs= new Recordset 还有 Dim rs As new Recordset Set rs= Recordset 和 Dim rs As Recordset Set rs=new Recordset 有什么区别
Set rs=New Recordset3. Dim rs As Object
Set rs=CreateObject("adodb.recordset")
Dim Rs2 As New ADODB.Recordset
Dim Rs2 As New ADODB.Recordset
adodb.recordset是类,要想得到一个它的可操作对象有两种办法:
1、new一个,也就是实例化一个对象。set rs1=new adodb.recordset
2、把它指向一个已存在的对象(这个对象也可操作),此时不用new, set rs1=rs2.
set rs = new adodb.recordset
Set rs= Recordset
系统提示出错!加了NEW就好了
Dim rs As Recordset
Set rs= new Recordset
还有
Dim rs As new Recordset
Set rs= Recordset 和
Dim rs As Recordset
Set rs=new Recordset
有什么区别