'工程->引用->Microsoft ActiveX Data Objects 2.X Library '莫依MM原创Option ExplicitPrivate Rs As New ADODB.Recordset Private Conn As New ADODB.ConnectionPrivate Sub Form_Load() Dim strConn As String
Rs.Open "Select * from People", Conn, adOpenKeyset, adLockOptimistic此句from后可否加where 如何加
to a2433: 当然可以添加了,就象写SQL语句Select * from People where 条件连接数据库字符串,你可以用ADODC控件中的生成连接字符串生成,然后复制过来就可以了 !
提醒一下:有时局域网中会将莫些端口闭住,例sql2000的1433,你先试试客户端能否通过..
Private Sub Form_Load() dim aa aa=text1.text Dim db As Connection Dim adoPrimaryRS As Recordset Set db = New Connection db.CursorLocation = adUseClient db.Open "PROVIDER=Microsoft.Jet.OLEDB.3.51;Data Source=E:\我的文档\数据库.mdb;" Set adoPrimaryRS = New Recordset
adoPrimaryRS.Open "select 品名,规格,单位,数量,出库日期 from 发行赠品出库表", db, adOpenStatic, adLockOptimistic Set DataGrid1.DataSource = adoPrimaryRS mbDataChanged = False End Sub 在上面的代码中我将adoPrimaryRS.Open "select 品名,规格,单位,数量,出库日期 from 发行赠品出库表", db, adOpenStatic, adLockOptimistic改写成 adoPrimaryRS.Open "select 品名,规格,单位,数量,出库日期 from 发行赠品出库表 where 品名='" & aa & "'", db, adOpenStatic, adLockOptimistic为何报错:至少有一个参数没被指定
'莫依MM原创Option ExplicitPrivate Rs As New ADODB.Recordset
Private Conn As New ADODB.ConnectionPrivate Sub Form_Load()
Dim strConn As String
' 连接数据库的字符串
' 连接带密码的数据库,直接在连接符后面加上Jet OLEDB:DataBase Password='您的密码'
' 连接Access97数据库需要使用Jet.OLEDB.3.5,Access2K和以上数据库使用Jet.OLEDB.4.0
strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\test.mdb;Persist Security Info=False"
' 使用客户端数据游标
Conn.CursorLocation = adUseClient
' 打开Access的连接
Conn.Open strConn
' 如果RecordSet的状态不是关闭状态,则关闭Recordset
If Rs.State <> adStateClosed Then Rs.Close
' Recordser打开表People
Rs.Open "Select * from People", Conn, adOpenKeyset, adLockOptimistic
' 报告出 一共多少笔数据,测试是否存在数据
' MsgBox Rs.RecordCount
' 绑定进DataGrid
Set DataGrid1.DataSource = Rs
End Sub
为什么这句报错啊。
当然可以添加了,就象写SQL语句Select * from People where 条件连接数据库字符串,你可以用ADODC控件中的生成连接字符串生成,然后复制过来就可以了 !
dim aa
aa=text1.text
Dim db As Connection
Dim adoPrimaryRS As Recordset
Set db = New Connection
db.CursorLocation = adUseClient
db.Open "PROVIDER=Microsoft.Jet.OLEDB.3.51;Data Source=E:\我的文档\数据库.mdb;"
Set adoPrimaryRS = New Recordset
adoPrimaryRS.Open "select 品名,规格,单位,数量,出库日期 from 发行赠品出库表", db, adOpenStatic, adLockOptimistic Set DataGrid1.DataSource = adoPrimaryRS
mbDataChanged = False
End Sub
在上面的代码中我将adoPrimaryRS.Open "select 品名,规格,单位,数量,出库日期 from 发行赠品出库表", db, adOpenStatic, adLockOptimistic改写成
adoPrimaryRS.Open "select 品名,规格,单位,数量,出库日期 from 发行赠品出库表 where 品名='" & aa & "'", db, adOpenStatic, adLockOptimistic为何报错:至少有一个参数没被指定