frm_standard_query.frm

前些年帮人写的毕业设计

VERSION 5.00
Begin VB.Form Frm_Standard_Query 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "药品信息查询"
   ClientHeight    =   2040
   ClientLeft      =   4635
   ClientTop       =   3150
   ClientWidth     =   3360
   Icon            =   "Frm_Standard_Query.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2040
   ScaleWidth      =   3360
   StartUpPosition =   2  '屏幕中心
   Begin VB.ComboBox Combo2 
      Height          =   300
      Left            =   1140
      Style           =   2  'Dropdown List
      TabIndex        =   6
      Top             =   780
      Visible         =   0   'False
      Width           =   1995
   End
   Begin VB.ComboBox Combo1 
      Height          =   300
      Left            =   1140
      Style           =   2  'Dropdown List
      TabIndex        =   3
      Top             =   240
      Width           =   1995
   End
   Begin VB.TextBox Text1 
      Height          =   300
      Left            =   1140
      TabIndex        =   2
      Top             =   780
      Width           =   1995
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   375
      Left            =   300
      TabIndex        =   1
      Top             =   1440
      Width           =   975
   End
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   375
      Left            =   1920
      TabIndex        =   0
      Top             =   1440
      Width           =   975
   End
   Begin VB.Label Label1 
      Caption         =   " 查询条件"
      Height          =   195
      Left            =   120
      TabIndex        =   5
      Top             =   300
      Width           =   915
   End
   Begin VB.Label Label2 
      Caption         =   "查询内容"
      Height          =   255
      Left            =   240
      TabIndex        =   4
      Top             =   840
      Width           =   855
   End
End
Attribute VB_Name = "Frm_Standard_Query"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Combo1_Click()
    If Combo1 = "供应商" Then
        Text1.Visible = False
        Combo2.Visible = True
    Else
        Text1.Visible = True
        Combo2.Visible = False
    End If
    Text1 = Combo1
    
End Sub

Private Sub Combo2_Click()
'    Text1 = Combo2
    
End Sub

Private Sub Combo2_LostFocus()
    Text1 = Combo2
End Sub

Private Sub Command1_Click()
    On Error GoTo myerr
    Dim cn As ADODB.Connection
    Dim rst As New ADODB.Recordset
    Dim lt As ListItem
    Frm_Standard.ListView1.ListItems.Clear
    Set cn = GetCn
    Select Case Combo1
        Case "名称"
            Combo1.Tag = "a.name"
        Case "药种"
            Combo1.Tag = "a.model"
        Case "供应商"
            Combo1.Tag = "b.short_name"

    End Select
    
    rst.Open "select a.name,b.short_name,a.model,a.normal,a.packing,a.unit,a.in_price,a.out_price,a.part_id from standard a inner join supply b on a.supply_id=b.supply_id where a.stop=0 and " & Combo1.Tag & " like '%" & Trim(Text1) & "%' order by 1", cn, 0, 1
    
    If rst.BOF And rst.EOF Then Exit Sub
    Do While Not rst.EOF
        Set lt = Frm_Standard.ListView1.ListItems.Add(, , rst(0), 8, 8)
        For I = 1 To rst.Fields.Count - 1
            lt.SubItems(I) = Trim(rst(I) & "")
        Next I
        rst.MoveNext
    Loop
    rst.Close
    cn.Close
    Unload Me
    Exit Sub
myerr:
    Select Case Err
        Case -2147217904
            If rst.State = 1 Then rst.Close
            rst.Open "select count(*) from standard", cn, 0, 1
            If rst(0) = 0 Then
                Exit Sub
            Else
                MsgBox Error, vbExclamation, "提示"
            End If
        Case Else
            MsgBox Error, vbExclamation, "提示"
    End Select
End Sub

Private Sub Command2_Click()
    Unload Me
    
End Sub

Private Sub Form_Load()
    Combo1.Clear
    Combo1.AddItem "名称"
    Combo1.AddItem "药种"
    Combo1.AddItem "供应商"
    Combo1.ListIndex = 0
    
    Dim cn As ADODB.Connection
    Dim rst As New ADODB.Recordset
    Set cn = GetCn
    
    rst.Open "select short_name from supply ", cn, 0, 1
    If rst.BOF And rst.EOF Then
        MsgBox "请先维护供应商信息！", vbExclamation, "提示"
        Command1.Enabled = False
        rst.Close
        cn.Close
    End If
    Do While Not rst.EOF
        Combo2.AddItem rst(0)
        rst.MoveNext
    Loop
    rst.Close
    cn.Close
    Combo2.ListIndex = 0
End Sub