formclass2.frm

学生关系信息系统。并且有论文啊。供各位兄弟姐妹参考

Public printstr As String
Public Sub classshowtitle()
 Dim i As Integer
 MSF1.Clear
  With MSF1
    .Cols = 8
    .TextMatrix(0, 1) = "年级"
    .TextMatrix(0, 2) = "班级"
    .TextMatrix(0, 3) = "教室"
    .TextMatrix(0, 4) = "年制"
    .TextMatrix(0, 5) = "专业"
    .TextMatrix(0, 6) = "班主任"
    .TextMatrix(0, 7) = "备注"
    .ColWidth(0) = 100
    .ColWidth(1) = 1300
    .ColWidth(2) = 1200
    .ColWidth(3) = 800
    .ColWidth(4) = 800
    .ColWidth(5) = 800
    .ColWidth(6) = 800
    .ColWidth(7) = 5000
    
    .FixedRows = 1
    For i = 1 To 7
      .ColAlignment(i) = 0
    Next i
    .FillStyle = flexFillSingle
    .Col = 0
    .Row = 0
    .RowSel = 1
    .ColSel = .Cols - 1
    .CellAlignment = 4
    .Row = 1
    End With
End Sub

Public Sub classshowdata()
Dim j As Integer
Dim i As Integer
Dim Newsql As String
Dim mrc1 As ADODB.Recordset
  Set mrc1 = ExecuteSQL(Trim(txtsql))
  If InStr(1, "delete", txtsql, vbTextCompare) Then
     aa = Replace(txtsql, "delete", "select", 1, -1, vbtxtcompare)
  End If
  
  If InStr(1, txtsql, "delete", vbTextCompare) Then
     Newsql = Replace(txtsql, "delete", "select", 1, -1, vbtxtcompare)
     Set mrc1 = ExecuteSQL(Trim(Newsql))
  End If
  
  If mrc1.EOF = False Then
   mrc1.MoveFirst
   With MSF1
    .Rows = 1
    Do While Not mrc1.EOF
     .Rows = .Rows + 1
     For i = 1 To mrc1.Fields.Count
      .TextMatrix(.Rows - 1, i) = mrc1.Fields(i - 1)
     Next i
     mrc1.MoveNext
    Loop
    mrc1.Close
 End With
 Else

   If classfind = True Then
    Formclass2.Hide
    Formclass3.Show
    zzz = MsgBox("对不起，没有此班级的档案记录！", vbOKOnly, "查询")
    Formclass3.ZOrder (0)
    Formclass3.Text1(0).SetFocus
   End If
 End If
End Sub





Private Sub Form_Activate()
If classfind = True Then
  Formclass3.ZOrder 0
End If
If classfind = True Then
  Exit Sub
ElseIf classmodi = True Then
   classshowdata
 ' TreeView1_DblClick
  classmodi = False
Else
  classtree
End If
'If classfind = True Then
'  Exit Sub
'Else
'  MDIForm1.clabrowse
'End If
End Sub

Private Sub Toolbar1_ButtonClick(ByVal Button As MSComctlLib.Button)
Select Case Button.Tag
        Case "find"
        Formclass3.Show
        Case "modi"
                If Trim(Me.MSF1.TextMatrix(MSF1.Row, 1)) = "" Then
                  sssss = MsgBox("你还没有选择记录！", vbOKOnly + vbExclamation, "警告")
                Exit Sub
               Else
               qxstr = Executeqx(2)
              If qxstr = "readonly" Then
              ss = MsgBox("对不起，你是只读用户不能修改记录，请与管理员联系！", vbInformation + vbOKOnly, " 警告")
              Exit Sub
              End If
               classmodi = True
               Formclass1.Show
                 Formclass1.classload
                Formclass1.ZOrder 0
           End If
        Case "del"
          qxstr = Executeqx(2)
            If qxstr = "readonly" Then
            ss = MsgBox("对不起，你是只读用户不能删除记录，请与管理员联系！", vbInformation + vbOKOnly, " 警告")
              Exit Sub
               End If
              Dim mrc As ADODB.Recordset
               Dim msgtext As String
              Dim intcount As Integer
                If Trim(Me.MSF1.TextMatrix(MSF1.Row, 1)) = "" Then
                 sssss = MsgBox("你还没有选择记录！", vbOKOnly + vbExclamation, "警告")
                Exit Sub
             End If
            If MsgBox("确定要删除班级为 " & Trim(Me.MSF1.TextMatrix(MSF1.Row, 2)) & " 的记录吗？" & Chr(13) & Chr(10) & "继续会导致该班级在成绩和学费记录的数据丢失，继续吗？", vbOKCancel + vbExclamation, "警告") = vbOK Then
                txtsql = "delete * from xj where 班级='" & Trim(Me.MSF1.TextMatrix(MSF1.Row, 2)) & "'"
                Set mrc = ExecuteSQL(txtsql)
                txtsql = "select * from jf where 学号 in (select from xj where 班级='" & Trim(Me.MSF1.TextMatrix(MSF1.Row, 2)) & "')"
                Set mrc = ExecuteSQL(txtsql) '删除在交费表中的所有该班级的记录
                txtsql = "select * from cj where 学号 in (select from xj where 班级='" & Trim(Me.MSF1.TextMatrix(MSF1.Row, 2)) & "')"
                Set mrc = ExecuteSQL(txtsql) '删除在成绩表中的所有该班级的记录
                txtsql = "delete * from class where 班级='" & Trim(Me.MSF1.TextMatrix(MSF1.Row, 2)) & "'"
                Set mrc = ExecuteSQL(txtsql) '删除该班级的记录
            End If
 
               'txtsql = "select* from class "
              classshowtitle
              classshowdata
           End Select
End Sub

Public Sub classtree()
TreeView1.Nodes.Clear
Dim nodex As Node
Dim mrc As ADODB.Recordset
Dim mrc1 As ADODB.Recordset
Dim str As String
Dim a As String
a = "年级"
TreeView1.LineStyle = tvwRootLines
str = "select distinct 年级 from class order by 年级"
Set mrc = ExecuteSQL(str)
str = "select distinct 年级,班级 from class order by 年级,班级"
Set mrc1 = ExecuteSQL(str)
mrc.MoveFirst
Do Until mrc.EOF
  mrc1.MoveFirst
   Set nodex = TreeView1.Nodes.add(, , a, mrc.Fields(0), 1, 1)
  Do While Not mrc1.EOF
   If mrc1.Fields(0) = mrc.Fields(0) Then
     Set nodex = TreeView1.Nodes.add(a, tvwChild, , mrc1.Fields(1), 2, 2)
   End If
   mrc1.MoveNext
  Loop
  a = a & "1"
  mrc.MoveNext
Loop
 mrc1.Close
 mrc.Close
 Set mrc = Nothing
  Set mrc1 = Nothing
End Sub

Private Sub Toolbar1_ButtonMenuClick(ByVal ButtonMenu As MSComctlLib.ButtonMenu)
  Select Case ButtonMenu.Key
  Case "dang"
  If Trim(printstr) = "" Then
    sssss = MsgBox("没有当前记录！", vbOKOnly + vbExclamation, "警告")
    Exit Sub
  End If
    If DataEnv1.rsCommand2.State = adStateOpen Then
     DataEnv1.rsCommand2.Close
    End If
     DataEnv1.rsCommand2.Open printstr
     If DataEnv1.rsCommand2.EOF = True Then
            sssss = MsgBox("没有当前记录！", vbOKOnly + vbExclamation, "警告")
      Exit Sub
    End If
    DataReportclass2.Show 1
   Case "all"
     If DataEnv1.rsCommand2.State = adStateOpen Then
     DataEnv1.rsCommand2.Close
    End If
     DataEnv1.rsCommand2.Open ("select * from class")
     If DataEnv1.rsCommand2.EOF = True Then
            sssss = MsgBox("没有当前记录！", vbOKOnly + vbExclamation, "警告")
      Exit Sub
    End If
    DataReportclass2.Show 1
  End Select
End Sub

Private Sub TreeView1_DblClick()
On Error GoTo ss
If TreeView1.SelectedItem.Index = 0 Then
MSF1.Clear
Exit Sub
End If
txtsql = TreeView1.Nodes.Item(TreeView1.SelectedItem.Index)

   txtsql = " select * from class where 年级='" & Trim(txtsql) & "' or 班级='" & Trim(txtsql) & "' order by 年级 ,班级 "
   printstr = txtsql
Me.Caption = "浏览班级"
Me.classshowtitle
Me.classshowdata
Exit Sub
ss:
MSF1.Clear
End Sub