求问这个程序该如何实现查询功能
程序如下：Private Sub Command1_Click() '窗体3
Dim conn As New ADODB.Connection
Dim rs As New ADODB.Recordset
conn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\我的文档\毕业设计\我的毕业设计\VB\测试\数据.mdb;Persist Security Info=False"
rs.CursorType = adOpenKeyset
rs.LockType = adLockBatchOptimistic
rs.Open "select * from GPS数据", conn
Call GridshowofADO(rs)
End Sub
Sub GridshowofADO(rs As ADODB.Recordset) '全部显示
If Not rs.Fields(0) = 0 Then
MSFlexGrid1.TextMatrix(0, 0) = "时间"
MSFlexGrid1.TextMatrix(0, 1) = "北纬"
MSFlexGrid1.TextMatrix(0, 2) = "东经"
MSFlexGrid1.TextMatrix(0, 3) = "处理后的时间"
MSFlexGrid1.TextMatrix(0, 4) = "处理后的北纬"
MSFlexGrid1.TextMatrix(0, 5) = "处理后的东经"
MSFlexGrid1.TextMatrix(0, 6) = "所在城市"
MSFlexGrid1.ColWidth(0) = 700
MSFlexGrid1.ColWidth(1) = 1000
MSFlexGrid1.ColWidth(2) = 1000
MSFlexGrid1.ColWidth(3) = 1250
MSFlexGrid1.ColWidth(4) = 1400
MSFlexGrid1.ColWidth(5) = 1400
MSFlexGrid1.ColWidth(6) = 900
rs.MoveLast
MSFlexGrid1.Rows = rs.RecordCount + 1
MSFlexGrid1.Cols = rs.Fields.Count
Dim i%
i = 1
rs.MoveFirst
While (Not rs.EOF)
MSFlexGrid1.TextMatrix(i, 0) = rs.Fields(0)
MSFlexGrid1.TextMatrix(i, 1) = rs.Fields(1)
MSFlexGrid1.TextMatrix(i, 2) = rs.Fields(2)
MSFlexGrid1.TextMatrix(i, 3) = rs.Fields(3)
MSFlexGrid1.TextMatrix(i, 4) = rs.Fields(4)
MSFlexGrid1.TextMatrix(i, 5) = rs.Fields(5)
MSFlexGrid1.TextMatrix(i, 6) = rs.Fields(6)
i = i + 1
rs.MoveNext
Wend
Label8.Caption = i - 1
Text4.Text = i - 1
Call speed
Else
Label8.Caption = 0
End If
End Sub
Sub speed() '速度等参数计算程序
Dim i, Z, j
i = 1
Z = 0
If Label8.Caption > 1 Then
'总时间
H1 = Mid(MSFlexGrid1.TextMatrix(1, 3), 1, 2)
M1 = Mid(MSFlexGrid1.TextMatrix(1, 3), 4, 2)
S1 = Mid(MSFlexGrid1.TextMatrix(1, 3), 7, 2)
T1 = H1 + M1 / 60 + S1 / 3600
H3 = Mid(MSFlexGrid1.TextMatrix((Label8.Caption - 1), 3), 1, 2)
M3 = Mid(MSFlexGrid1.TextMatrix((Label8.Caption - 1), 3), 4, 2)
S3 = Mid(MSFlexGrid1.TextMatrix((Label8.Caption - 1), 3), 7, 2)
T4 = H3 + M3 / 60 + S3 / 3600
H2 = Mid(MSFlexGrid1.TextMatrix(Label8.Caption, 3), 1, 2)
M2 = Mid(MSFlexGrid1.TextMatrix(Label8.Caption, 3), 4, 2)
S2 = Mid(MSFlexGrid1.TextMatrix(Label8.Caption, 3), 7, 2)
T2 = H2 + M2 / 60 + S2 / 3600
T3 = T2 - T1 '总时间
T5 = T2 - T4 '瞬时时间
' Label23.Caption = T5
'总路程
While i < Label8.Caption
BW11 = Mid(MSFlexGrid1.TextMatrix(i, 4), 1, 2)
BW12 = Mid(MSFlexGrid1.TextMatrix(i, 4), 4, 7)
BW13 = BW11 + BW12 / 90
BW21 = Mid(MSFlexGrid1.TextMatrix(i + 1, 4), 1, 2)
BW22 = Mid(MSFlexGrid1.TextMatrix(i + 1, 4), 4, 7)
BW23 = BW21 + BW22 / 90
BW = Abs(BW23 - BW13)
'Format(BW, "0.00000")
DJ11 = Mid(MSFlexGrid1.TextMatrix(i, 5), 1, 3)
DJ12 = Mid(MSFlexGrid1.TextMatrix(i, 5), 5, 7)
DJ13 = DJ11 + DJ12 / 90
DJ21 = Mid(MSFlexGrid1.TextMatrix(i + 1, 5), 1, 3)
DJ22 = Mid(MSFlexGrid1.TextMatrix(i + 1, 5), 5, 7)
DJ23 = DJ21 + DJ22 / 90
DJ = Abs(DJ23 - DJ13)
y = 111 * BW
x = 111 * Cos((BW13 + BW23) * 3.14 / 360) * DJ
s = Sqr(x * x + y * y)
Z = Z + s
i = i + 1
Wend
Label16.Caption = Format(Z, "0.00")
V1 = Z / T3
V2 = s / T5
Label11.Caption = Format(V1, "0.00")
Label21.Caption = Format(V2, "0.00")
p1 = Format(Atn(y / x) * 100 / 3.14, "00.00") '弧度
p2 = Mid(p1, 3, 3)
p3 = Mid(p1, 1, 2)
p4 = p3 + p2 * 90 / 100
Label18.Caption = Format(p4, "00.00")
If (DJ23 - DJ13) > 0 And (BW23 - BW13) < 0 Then
Label14.Caption = "东偏南"
Else
If (DJ23 - DJ13) > 0 And (BW23 - BW13) > 0 Then
Label14.Caption = "东偏北"
Else
If (DJ23 - DJ13) < 0 And (BW23 - BW13) < 0 Then
Label14.Caption = "西偏南"
Else
If (DJ23 - DJ13) < 0 And (BW23 - BW13) > 0 Then
Label14.Caption = "西偏北"
End If
End If
End If
End If
Else
MsgBox ("资源有限，无法得出里程、方向等相应数据")
Label14.Caption = " 暂无"
Label16.Caption = " 暂无"
Label11.Caption = " 暂无"
Label21.Caption = " 暂无"
Label18.Caption = ""
End If
End Sub
Private Sub Command2_Click()
response = MsgBox("确认要转到数据接收系统吗？", vbYesNo)
If response = vbYes Then
Form2.Hide
Form1.Show
End If
End Sub
Private Sub Command3_Click()
'给出一个消息框，确认是否要退出
response = MsgBox("真的要退出吗？", vbYesNo)
'用户按下"是"。
If response = vbYes Then
Unload Me '关闭窗体
End '退出整个应用程序
End If
End Sub
Private Sub Command4_Click() '查找
Dim conn As New ADODB.Connection
Dim rs As New ADODB.Recordset
conn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\我的文档\毕业设计\我的毕业设计\VB\测试\数据.mdb;Persist Security Info=False"
rs.CursorType = adOpenKeyset
rs.LockType = adLockBatchOptimistic
rs.Open "select * from GPS数据", conn
Call GridfindofADO(rs)
End Sub
Sub GridfindofADO(rs As ADODB.Recordset) '查找子程序
If Text1.Text = "" And Text2.Text = "" Then '输入时间为空时
'给出一个消息框，请输入要查询的起始时间
response = MsgBox("请输入要查询的起始时间", vbYesonly)
'用户按下"是"。
If response = vbYes Then
Unload Me '关闭窗体
End If
Else
If Not rs.Fields(0) = 0 Then
Dim t11, t12, t13, t21, t22, t23, t31, t32, t33
Dim T1, T2, T3
MSFlexGrid1.TextMatrix(0, 0) = "时间"
MSFlexGrid1.TextMatrix(0, 1) = "北纬"
MSFlexGrid1.TextMatrix(0, 2) = "东经"
MSFlexGrid1.TextMatrix(0, 3) = "处理后的时间"
MSFlexGrid1.TextMatrix(0, 4) = "处理后的北纬"
MSFlexGrid1.TextMatrix(0, 5) = "处理后的东经"
MSFlexGrid1.TextMatrix(0, 6) = "所在城市"
MSFlexGrid1.ColWidth(0) = 700
MSFlexGrid1.ColWidth(1) = 1000
MSFlexGrid1.ColWidth(2) = 1000
MSFlexGrid1.ColWidth(3) = 1250
MSFlexGrid1.ColWidth(4) = 1400
MSFlexGrid1.ColWidth(5) = 1400
MSFlexGrid1.ColWidth(6) = 900
rs.MoveLast
MSFlexGrid1.Rows = rs.RecordCount + 1
MSFlexGrid1.Cols = rs.Fields.Count
Dim i%
i = 1
rs.MoveFirst
t11 = Mid(Text1.Text, 1, 2)
t12 = Mid(Text1.Text, 4, 2)
t13 = Mid(Text1.Text, 7, 2)
T1 = t11 + t12 + t13
t21 = Mid(Text2.Text, 1, 2)
t22 = Mid(Text2.Text, 4, 2)
t23 = Mid(Text2.Text, 7, 2)
T2 = t21 + t22 + t23
While (Not rs.EOF)
t31 = Mid(rs.Fields(3), 1, 2)
t32 = Mid(rs.Fields(3), 4, 2)
t33 = Mid(rs.Fields(3), 7, 2)
If t11 < t31 And t31 < t21 Then '1
MSFlexGrid1.TextMatrix(i, 0) = rs.Fields(0)
MSFlexGrid1.TextMatrix(i, 1) = rs.Fields(1)
MSFlexGrid1.TextMatrix(i, 2) = rs.Fields(2)
MSFlexGrid1.TextMatrix(i, 3) = rs.Fields(3)
MSFlexGrid1.TextMatrix(i, 4) = rs.Fields(4)
MSFlexGrid1.TextMatrix(i, 5) = rs.Fields(5)
MSFlexGrid1.TextMatrix(i, 6) = rs.Fields(6)
i = i + 1
Else
If t11 = t21 And t11 = t31 And t32 > t12 And t32 < t22 Then '2
MSFlexGrid1.TextMatrix(i, 0) = rs.Fields(0)
MSFlexGrid1.TextMatrix(i, 1) = rs.Fields(1)
MSFlexGrid1.TextMatrix(i, 2) = rs.Fields(2)
MSFlexGrid1.TextMatrix(i, 3) = rs.Fields(3)
MSFlexGrid1.TextMatrix(i, 4) = rs.Fields(4)
MSFlexGrid1.TextMatrix(i, 5) = rs.Fields(5)
MSFlexGrid1.TextMatrix(i, 6) = rs.Fields(6)
i = i + 1
Else
If t21 > t11 And t11 = t31 And t32 > t12 Then '3
MSFlexGrid1.TextMatrix(i, 0) = rs.Fields(0)
MSFlexGrid1.TextMatrix(i, 1) = rs.Fields(1)
MSFlexGrid1.TextMatrix(i, 2) = rs.Fields(2)
MSFlexGrid1.TextMatrix(i, 3) = rs.Fields(3)
MSFlexGrid1.TextMatrix(i, 4) = rs.Fields(4)
MSFlexGrid1.TextMatrix(i, 5) = rs.Fields(5)
MSFlexGrid1.TextMatrix(i, 6) = rs.Fields(6)
i = i + 1
Else
If t31 = t11 And t32 = t12 And t33 = t13 Then '4
MSFlexGrid1.TextMatrix(i, 0) = rs.Fields(0)
MSFlexGrid1.TextMatrix(i, 1) = rs.Fields(1)
MSFlexGrid1.TextMatrix(i, 2) = rs.Fields(2)
MSFlexGrid1.TextMatrix(i, 3) = rs.Fields(3)
MSFlexGrid1.TextMatrix(i, 4) = rs.Fields(4)
MSFlexGrid1.TextMatrix(i, 5) = rs.Fields(5)
MSFlexGrid1.TextMatrix(i, 6) = rs.Fields(6)
i = i + 1
Else
If t21 > t11 And t21 = t31 And t32 < t22 Then '5
MSFlexGrid1.TextMatrix(i, 0) = rs.Fields(0)
MSFlexGrid1.TextMatrix(i, 1) = rs.Fields(1)
MSFlexGrid1.TextMatrix(i, 2) = rs.Fields(2)
MSFlexGrid1.TextMatrix(i, 3) = rs.Fields(3)
MSFlexGrid1.TextMatrix(i, 4) = rs.Fields(4)
MSFlexGrid1.TextMatrix(i, 5) = rs.Fields(5)
MSFlexGrid1.TextMatrix(i, 6) = rs.Fields(6)
i = i + 1
Else
If t31 = t21 And t32 = t22 And t33 = t23 Then '6
MSFlexGrid1.TextMatrix(i, 0) = rs.Fields(0)
MSFlexGrid1.TextMatrix(i, 1) = rs.Fields(1)
MSFlexGrid1.TextMatrix(i, 2) = rs.Fields(2)
MSFlexGrid1.TextMatrix(i, 3) = rs.Fields(3)
MSFlexGrid1.TextMatrix(i, 4) = rs.Fields(4)
MSFlexGrid1.TextMatrix(i, 5) = rs.Fields(5)
MSFlexGrid1.TextMatrix(i, 6) = rs.Fields(6)
i = i + 1
Else
If t21 = t11 And t11 = t31 And t22 = t12 And t32 = t22 And t33 <= t23 And t33 >= t13 Then '7
MSFlexGrid1.TextMatrix(i, 0) = rs.Fields(0)
MSFlexGrid1.TextMatrix(i, 1) = rs.Fields(1)
MSFlexGrid1.TextMatrix(i, 2) = rs.Fields(2)
MSFlexGrid1.TextMatrix(i, 3) = rs.Fields(3)
MSFlexGrid1.TextMatrix(i, 4) = rs.Fields(4)
MSFlexGrid1.TextMatrix(i, 5) = rs.Fields(5)
MSFlexGrid1.TextMatrix(i, 6) = rs.Fields(6)
i = i + 1
End If
End If
End If
End If
End If
End If
End If
rs.MoveNext
Wend
Label8.Caption = i - 1
Call speed
Else
Label8.Caption = 0
End If
End If
End Sub
Private Sub Command5_Click() '清空表中数据
Dim i
If (Text4.Text >= Label8.Caption) Then
i = Text4.Text
Else
i = Label8.Caption
End If
While (i)
MSFlexGrid1.TextMatrix(i, 0) = ""
MSFlexGrid1.TextMatrix(i, 1) = ""
MSFlexGrid1.TextMatrix(i, 2) = ""
MSFlexGrid1.TextMatrix(i, 3) = ""
MSFlexGrid1.TextMatrix(i, 4) = ""
MSFlexGrid1.TextMatrix(i, 5) = ""
MSFlexGrid1.TextMatrix(i, 6) = ""
i = i - 1
Wend
Label16.Caption = ""
Label14.Caption = ""
Label11.Caption = ""
Label18.Caption = ""
Label21.Caption = ""
Label8.Caption = ""
End Sub
Private Sub Command6_Click() '清空搜索参数
Text1.Text = ""
Text2.Text = ""
End Sub
我的问题是在下面这个界面无法实现查询功能
库操作应怎样做，Adodc控件的属性应怎么设置，求帮忙
