📄 studentscore.frm
字号:
VERSION 5.00
Begin VB.Form frmStudentScore
BorderStyle = 1 'Fixed Single
Caption = "按学生进行成绩管理"
ClientHeight = 6195
ClientLeft = -1440
ClientTop = 2430
ClientWidth = 7320
LinkTopic = "Form1"
MaxButton = 0 'False
MDIChild = -1 'True
ScaleHeight = 6195
ScaleWidth = 7320
Begin VB.Frame fraScore
Height = 4815
Left = -74880
TabIndex = 14
Top = 360
Width = 6975
Begin VB.TextBox txtAverage
BeginProperty DataFormat
Type = 1
Format = "0.00"
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 1
EndProperty
Height = 350
Left = 5880
Locked = -1 'True
TabIndex = 22
Top = 1455
Width = 855
End
Begin VB.TextBox txtSum
BeginProperty DataFormat
Type = 1
Format = "0.00"
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 1
EndProperty
Height = 350
Left = 5880
Locked = -1 'True
TabIndex = 21
Top = 615
Width = 855
End
Begin VB.Frame fraManage
Caption = "成绩管理"
Height = 2655
Left = 5550
TabIndex = 15
Top = 2040
Width = 1215
Begin VB.CommandButton cmdClose
Caption = "关闭(&C)"
Height = 375
Left = 120
TabIndex = 20
Top = 2160
Width = 975
End
Begin VB.CommandButton cmdAdd
Caption = "添加(&A)"
Height = 375
Left = 120
TabIndex = 19
Top = 240
Width = 975
End
Begin VB.CommandButton cmdEdit
Caption = "编辑(&E)"
Height = 375
Left = 120
TabIndex = 18
Top = 720
Width = 975
End
Begin VB.CommandButton cmdDelete
Caption = "删除(&D)"
Height = 375
Left = 120
TabIndex = 17
Top = 1200
Width = 975
End
Begin VB.CommandButton cmdReport
Caption = "报表(&R)"
Height = 375
Left = 120
TabIndex = 16
Top = 1680
Width = 975
End
End
Begin VB.Label lblAverage
AutoSize = -1 'True
Caption = "平均分："
Height = 180
Left = 5640
TabIndex = 12
Top = 1200
Width = 720
End
Begin VB.Label lblSum
AutoSize = -1 'True
Caption = "总分："
Height = 180
Left = 5640
TabIndex = 13
Top = 360
Width = 540
End
End
Begin VB.Frame fraBrowse
Caption = "浏览框"
Height = 735
Left = 5520
TabIndex = 1
Top = 0
Width = 1695
Begin VB.CommandButton cmdPrevious
Caption = "<"
BeginProperty Font
Name = "宋体"
Size = 9
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 495
TabIndex = 5
Top = 240
Width = 375
End
Begin VB.CommandButton cmdNext
Caption = ">"
BeginProperty Font
Name = "宋体"
Size = 9
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 870
TabIndex = 4
Top = 240
Width = 375
End
Begin VB.CommandButton cmdLast
Caption = ">>"
BeginProperty Font
Name = "宋体"
Size = 9
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 1245
TabIndex = 3
Top = 240
Width = 375
End
Begin VB.CommandButton cmdFirst
Caption = "<<"
BeginProperty Font
Name = "宋体"
Size = 9
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 120
TabIndex = 2
Top = 240
Width = 375
End
End
Begin VB.Frame fraSeek
Caption = "查询框"
Height = 735
Left = 50
TabIndex = 0
Top = 0
Width = 5535
Begin VB.ComboBox cboDep
Height = 300
ItemData = "StudentScore.frx":0000
Left = 840
List = "StudentScore.frx":0007
Style = 2 'Dropdown List
TabIndex = 9
Top = 277
Width = 1095
End
Begin VB.ComboBox cboClass
Height = 300
ItemData = "StudentScore.frx":0011
Left = 2655
List = "StudentScore.frx":0018
Style = 2 'Dropdown List
TabIndex = 8
Top = 277
Width = 1095
End
Begin VB.CommandButton cmdList
Caption = "列出>>"
Height = 375
Left = 3750
TabIndex = 7
ToolTipText = "根据所在的班级列出学籍信息"
Top = 240
Width = 855
End
Begin VB.CommandButton cmdSeek
Caption = "查询..."
Height = 375
Left = 4605
TabIndex = 6
Top = 240
Width = 855
End
Begin VB.Label lblDep
AutoSize = -1 'True
Caption = "所在系："
Height = 180
Left = 120
TabIndex = 11
Top = 337
Width = 720
End
Begin VB.Label lblClass
AutoSize = -1 'True
Caption = "所在班："
Height = 180
Left = 1935
TabIndex = 10
Top = 337
Width = 720
End
End
End
Attribute VB_Name = "frmStudentScore"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
'''当改变记录集时，需要刷新整个网格控件
Sub RefreshGrid()
grdScan.DataMember = ""
grdScan.Refresh
If DataEnv.rssqlStudent.State <> adStateClosed Then DataEnv.rssqlStudent.Close
DataEnv.rssqlStudent.Open
grdScan.DataMember = "sqlStudent"
grdScan.Refresh
''刷新各个绑定控件
Call grdScan_Change
End Sub
'''用以在浏览时，根据当前记录所出的位置不同，来改变个浏览按钮的状态
Sub ChangeBrowseState()
With DataEnv.rssqlStudent
''如果没有任何记录，则清空显示目录；并且使浏览部分和管理部分的按钮无效
If .State = adStateClosed Then .Open
'''假如处于记录的头部
If .BOF Then
If Not .EOF Then DataEnv.rssqlStudent.MoveFirst
cmdPrevious.Enabled = False
cmdFirst.Enabled = False
Else
cmdPrevious.Enabled = True
cmdFirst.Enabled = True
End If
'''假如处于记录的尾部
If .EOF Then
If Not .BOF Then DataEnv.rssqlStudent.MoveLast
cmdNext.Enabled = False
cmdLast.Enabled = False
Else
cmdNext.Enabled = True
cmdLast.Enabled = True
End If
End With
End Sub
''通过当前学生的成绩，来得到该学生的总成绩和平均成绩
Sub Calculate(sSerial As String)
Dim rs As New ADODB.Recordset
Dim str
str = "select avg(score) as avg_score, sum(score) as sum_score from score where studentid='" & sSerial & "'"
rs.Open str, DataEnv.Con, adOpenStatic
If Not rs.EOF Then
txtSum.Text = FormatNumber(rs("sum_score"), 2)
txtAverage.Text = FormatNumber(rs("avg_score"), 2)
End If
End Sub
''刷新学生号为sSerial的成绩的网格控件grdScore
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