如何对MSHFlexgrid控件中的内容进行查询

Option Explicit

Dim conn As New ADODB.Connection
Dim rs1 As New ADODB.Recordset
Dim rs2 As New ADODB.Recordset
Dim Str1 As String
Dim Str2 As String
Dim Str3 As String
Dim strSQL As String

Private Sub Combo1_Click()
strSQL = "select * from 表1 where 备注=" & "'" & Combo1.Text & "'"  '表1换为找开的表名,备注换为要查询的字段名
rs2.Open strSQL, conn, 1, 1
Set MSHFlexGrid1.DataSource = rs2
rs2.Close
End Sub

Private Sub Form_Load()
Str1 = "Provider=Microsoft.Jet.OLEDB.4.0;"
Str2 = "Data Source=c:\test.mdb;"  '数据据文件路径及文件名
Str3 = "Jet OLEDB:Database Password="
conn.Open Str1 & Str2 & Str3
strSQL = "select * from 表1 "
rs1.Open strSQL, conn, 1, 1
Set MSHFlexGrid1.DataSource = rs1

End Sub