Option Explicit'工程->引用->Microsoft ActiveX Data Objects 2.0 Library (后面为版本号) Dim cn As New ADODB.Connection Dim rs As New ADODB.RecordsetPrivate Sub Command1_Click() rs.Open "SELECT * FROM TABLENAME WHERE NAME = '" & txtName.Text & "'", cn, adOpenDynamic, adLockOptimistic set DataGrid1.DataSource = rs End SubPrivate Sub Form_Load() cn.ConnectionString = "DBQ=" & App.Path & "\TelePhone.mdb;DefaultDir=" & _ App.Path & ";Driver={Microsoft Access Driver (*.mdb)};" & _ "DriverId=25;FIL=MS Access;ImplicitCommitSync=Yes;" & _ "MaxBufferSize=512;MaxScanRows=8;PageTimeout=5;SafeTransactions=0;" & _ "Threads=3;UID=ADMIN;UserCommitSync=Yes;PWD=admind1234;" cn.Open '查询字符串可以上这里查 'http://www.connectionstrings.com/ End SubPrivate Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer) On Error Resume Next rs.Close Set rs = Nothing cn.Close Set cn = Nothing End Sub
你首先要在VB菜单中: “工程”-->“引用”-->“Microsoft AxtiveX Data Objects 2.X Library” 注:2.X为版本号,如果你机子上有高版本的就用高版本的,如:2.5或2.6的Private Sub ComOK_Click() Dim SQLstr As String,cnstr AS String Dim cn AS New ADODB.Connection'连接对象 Dim rs As New ADODB.Recordset'记录集对象 cnstr = "Provider=Microsoft.Jet.OLEDB.4.0;" _ & "Data Source=" & App.Path & "\data\月欠税情况.mdb;" _ & "Persist Security Info=False" '连接字符串 cn.open cnstr' 打开数据库连接 rs.CursorLocation =adUseClient sqlstr="slect * from XXX表" rs.open sqlstr,cn,3,3'执行SQL语句,并返回记录 set datagrid1.datasource=rs datagrid1.refresh rs.close'关闭记录集对象 set rs=nothing End Sub 本示例是将数据库中的一张表的记录显示在datagrid的控件中。
但是我就是错在这句上 set datagrid1.datasource=rs实时错误'7004' 行集合不能作为标签除了引用Microsoft AxtiveX Data Objects 2.X Library 应该还得在 工程-〉部件 里面引用Microsoft datagrid Control 6.0(SP5)(OLEDB)吧
工程--->引用--->Microsoft ActiveX Data Object 2.x(版本号) Dim CN As New ADODB.Connection '定义数据库的连接 Dim Rs As New ADODB.Recordset CN.ConnectionString = "Provider=sqloledb;Data Source=pmserver;Initial Catalog=northwind;User Id=sa;Password=sa;" CN.Open Rs.CursorLocation = adUseClient Rs.Open "select * from employees", CN, adOpenDynamic, adLockOptimistic Set DataGrid1.DataSource = Rs
TO : iamprobe加上这一句,为客户端游标 Rs.CursorLocation = adUseClient
Dim cn As New ADODB.Connection
Dim rs As New ADODB.RecordsetPrivate Sub Command1_Click()
rs.Open "SELECT * FROM TABLENAME WHERE NAME = '" & txtName.Text & "'", cn, adOpenDynamic, adLockOptimistic
set DataGrid1.DataSource = rs
End SubPrivate Sub Form_Load()
cn.ConnectionString = "DBQ=" & App.Path & "\TelePhone.mdb;DefaultDir=" & _
App.Path & ";Driver={Microsoft Access Driver (*.mdb)};" & _
"DriverId=25;FIL=MS Access;ImplicitCommitSync=Yes;" & _
"MaxBufferSize=512;MaxScanRows=8;PageTimeout=5;SafeTransactions=0;" & _
"Threads=3;UID=ADMIN;UserCommitSync=Yes;PWD=admind1234;"
cn.Open
'查询字符串可以上这里查
'http://www.connectionstrings.com/
End SubPrivate Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
On Error Resume Next
rs.Close
Set rs = Nothing
cn.Close
Set cn = Nothing
End Sub
“工程”-->“引用”-->“Microsoft AxtiveX Data Objects 2.X Library”
注:2.X为版本号,如果你机子上有高版本的就用高版本的,如:2.5或2.6的Private Sub ComOK_Click()
Dim SQLstr As String,cnstr AS String
Dim cn AS New ADODB.Connection'连接对象
Dim rs As New ADODB.Recordset'记录集对象
cnstr = "Provider=Microsoft.Jet.OLEDB.4.0;" _
& "Data Source=" & App.Path & "\data\月欠税情况.mdb;" _
& "Persist Security Info=False" '连接字符串
cn.open cnstr' 打开数据库连接
rs.CursorLocation =adUseClient
sqlstr="slect * from XXX表"
rs.open sqlstr,cn,3,3'执行SQL语句,并返回记录
set datagrid1.datasource=rs
datagrid1.refresh
rs.close'关闭记录集对象
set rs=nothing
End Sub
本示例是将数据库中的一张表的记录显示在datagrid的控件中。
set datagrid1.datasource=rs实时错误'7004'
行集合不能作为标签除了引用Microsoft AxtiveX Data Objects 2.X Library
应该还得在 工程-〉部件 里面引用Microsoft datagrid Control 6.0(SP5)(OLEDB)吧
Dim Rs As New ADODB.Recordset
CN.ConnectionString = "Provider=sqloledb;Data Source=pmserver;Initial Catalog=northwind;User Id=sa;Password=sa;"
CN.Open
Rs.CursorLocation = adUseClient
Rs.Open "select * from employees", CN, adOpenDynamic, adLockOptimistic
Set DataGrid1.DataSource = Rs
Rs.CursorLocation = adUseClient
这句话是什么意思啊?