SQL+VB图书信息管理系统论文
  .ColSel = .Cols - 1
    End If
End With
End Sub
Public Sub MoveNext(ctr As Control)
With ctr
    If .Row < .Rows - 1 Then
    .Row = .Row + 1
    .Col = 0
    .RowSel = .Row
    .ColSel = .Cols - 1
    End If
End With
End Sub
Public Sub MoveLast(ctr As Control)
With ctr
    .Row = .Rows - 1
    .Col = 0
    .RowSel = .Row
    .ColSel = .Cols - 1
End With
End Sub
Public Sub Main()
strcnn = "provider=sqloledb.1;integrated security=sspi;database=tushu"
frm_login.Show
End Sub
3.4.2 图书征订设置界面代码设计
Private Sub Form_Load()
  Dim sql As String
  sql = "select * from 图书征订"
   ShowData sql, Me.MSFlexGrid1
   Me.MSFlexGrid1.ColAlignment(0) = flexAlignCenterCenter
   Me.MSFlexGrid1.ColWidth(1) = 1000
   Me.MSFlexGrid1.ColWidth(2) = 1500
   Me.MSFlexGrid1.ColWidth(3) = 1500
   Me.MSFlexGrid1.ColWidth(10) = 2500
   Me.StatusBar1.Panels(1).Text = "总共有" & Me.MSFlexGrid1.Rows - 1 & "条记录"

End Sub

Private Sub Toolbar1_ButtonClick(ByVal Button As MSComctlLib.Button)
Dim sql As String, rtn As Long
Select Case Button.Index
Case 1
    Frm_zdxz.Caption = "图书征订添加"
    Frm_zdxz.Show 1
    Me.StatusBar1.Panels(1).Text = "总共有" & Me.MSFlexGrid1.Rows - 1 & "条记录"
Case 2
 With Frm_zdxz
      .Caption = "图书征订修改"
      .Txt_zdbh.Text = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 0)
      .Txt_tsid.Text = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 1)
      .Txt_dgname.Text = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 2)
      .Txt_lxfs.Text = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 3)
      .Txt_dgsl.Text = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 4)
      .Txt_dgdj.Text = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 5)
      .Dtpk_dgrq.Value = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 6)
      .Cmb_sfys.Text = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 7)
      .Dtpk_ysrq.Value = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 8)
      .Cmb_czy.Text = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 9)
      .Txt_bz.Text = Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 10)
      .Show 1
    End With
Case 3
    If MsgBox("确定要删除吗?", vbYesNo + vbQuestion, "提示") = vbYes Then
     sql = "delete from 图书征订 where 征订编号='" _
        + Me.MSFlexGrid1.TextMatrix(Me.MSFlexGrid1.Row, 0) + "'"
     rtn = Update(sql)
     If rtn = 0 Then
       sql = "select * from 图书征订"
       ShowData sql, Me.MSFlexGrid1
       MsgBox "删除成功!", vbOKOnly + vbInformation, "提示"
       Me.StatusBar1.Panels(1).Text = "总共有" & Me.MSFlexGrid1.Rows - 1 & "条记录"

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