📄 cjtj.frm
字号:
VERSION 5.00
Begin VB.Form 成绩添加
Caption = "成绩管理-成绩添加"
ClientHeight = 2910
ClientLeft = 60
ClientTop = 450
ClientWidth = 8820
LinkTopic = "Form16"
ScaleHeight = 2910
ScaleWidth = 8820
StartUpPosition = 3 '窗口缺省
Begin VB.Frame Frame1
Height = 2385
Left = 30
TabIndex = 1
Top = 510
Width = 8745
Begin VB.ComboBox Combo4
Height = 300
Left = 5400
Style = 2 'Dropdown List
TabIndex = 13
Top = 360
Width = 2625
End
Begin VB.ComboBox Combo3
Height = 300
ItemData = "cjtj.frx":0000
Left = 1200
List = "cjtj.frx":0002
Style = 2 'Dropdown List
TabIndex = 11
Top = 1800
Width = 2565
End
Begin VB.ComboBox Combo2
Height = 300
Left = 1200
Style = 2 'Dropdown List
TabIndex = 9
Top = 1080
Width = 2565
End
Begin VB.CommandButton Command2
Caption = "退出"
Height = 315
Left = 6840
TabIndex = 7
Top = 1860
Width = 795
End
Begin VB.CommandButton Command1
Caption = "添加"
Height = 315
Left = 5250
TabIndex = 6
Top = 1860
Width = 795
End
Begin VB.ComboBox Combo1
Height = 300
Left = 1200
Style = 2 'Dropdown List
TabIndex = 5
Top = 360
Width = 2565
End
Begin VB.TextBox Text1
Height = 315
Left = 5400
TabIndex = 3
Text = "Text1"
Top = 1080
Width = 2595
End
Begin VB.Label Label6
Caption = "成绩"
Height = 285
Left = 4680
TabIndex = 12
Top = 1140
Width = 585
End
Begin VB.Label Label5
Caption = "课程"
Height = 225
Left = 4680
TabIndex = 10
Top = 420
Width = 495
End
Begin VB.Label Label4
Caption = "学期"
Height = 315
Left = 390
TabIndex = 8
Top = 1860
Width = 585
End
Begin VB.Label Label3
Caption = "班级"
Height = 315
Left = 390
TabIndex = 4
Top = 1140
Width = 765
End
Begin VB.Label Label2
Caption = "学号"
Height = 315
Left = 390
TabIndex = 2
Top = 420
Width = 555
End
End
Begin VB.Label Label1
Alignment = 2 'Center
Caption = "成 绩 添 加"
BeginProperty Font
Name = "黑体"
Size = 15.75
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 435
Left = 30
TabIndex = 0
Top = 30
Width = 8745
End
End
Attribute VB_Name = "成绩添加"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim j As Integer
Public Sub notabled()
Combo1.Enabled = False
Combo2.Enabled = False
Combo3.Enabled = False
Combo4.Enabled = False
Text1.Enabled = False
Command1.Enabled = False
End Sub
Private Sub Command1_Click()
Dim xm As String
Dim bjdm As String
Dim xqdm As String
Dim kcdm As String
Dim mrc As ADODB.Recordset
j = 0
If Combo1.Text <> "" Then
j = j + 1
End If
If Combo2.Text <> "" Then
j = j + 1
End If
If Combo3.Text <> "" Then
j = j + 1
End If
If Combo4.Text <> "" Then
j = j + 1
End If
If j <> 4 Then
MsgBox " 必须选择全部的选项！", vbExclamation + vbOKOnly, "提示"
j = 0
Exit Sub
End If
If Text1.Text = "" Then
MsgBox " 请输入成绩！", vbExclamation + vbOKOnly, "警告"
Text1.SetFocus
Exit Sub
End If
txtsql = "select * from 学生基本信息 where 学号='" & Trim(Combo1.Text) & "'"
Set mrc = ExecuteSQL(txtsql)
xm = mrc.Fields(1)
mrc.Close
txtsql = "select * from 班级 where 班级名称='" & Trim(Combo2.Text) & "'"
Set mrc = ExecuteSQL(txtsql)
bjdm = mrc.Fields(0)
mrc.Close
txtsql = "select * from 学期 where 学期名称='" & Trim(Combo3.Text) & "'"
Set mrc = ExecuteSQL(txtsql)
xqdm = mrc.Fields(0)
mrc.Close
txtsql = "select * from 课程 where 课程名称='" & Trim(Combo4.Text) & "'"
Set mrc = ExecuteSQL(txtsql)
kcdm = mrc.Fields(0)
mrc.Close
txtsql = "select * from 学生选课 where 学号='" & Trim(Combo1.Text) & "' and 课程号='" & Trim(kcdm) & "'"
Set mrc = ExecuteSQL(txtsql)
If mrc.EOF = True Then
MsgBox " 该学生没有选择此课程，所以无法添加！", vbExclamation + vbOKOnly, "提示"
Text1.Text = ""
mrc.Close
Exit Sub
End If
txtsql = "select * from 学生基本信息 where 学号='" & Trim(Combo1.Text) & "' and 班级代码='" & Trim(bjdm) & "'"
Set mrc = ExecuteSQL(txtsql)
If mrc.EOF = True Then
MsgBox " 该学生不属于此班级，所以无法添加！", vbExclamation + vbOKOnly, "提示"
Text1.Text = ""
mrc.Close
Exit Sub
End If
txtsql = "select * from 学生成绩 where 学号='" & Trim(Combo1.Text) & "' and 班级代码='" & Trim(bjdm) & "' and 学期代码='" & Trim(xqdm) & "' and 课程号='" & Trim(kcdm) & "'"
Set mrc = ExecuteSQL(txtsql)
If mrc.EOF = False Then
MsgBox " 已经存在学号为：" + Combo1.Text + " 班级名称为：" + Combo2.Text + " 学期名称为：" + Combo3.Text + " 课程名称为：" + Combo4.Text + "！", vbExclamation + vbOKOnly, "警告"
mrc.Close
Text1.Text = ""
Exit Sub
End If
mrc.AddNew
mrc.Fields(0) = Combo1.Text
mrc.Fields(1) = xm
mrc.Fields(2) = bjdm
mrc.Fields(3) = xqdm
mrc.Fields(4) = kcdm
mrc.Fields(5) = Val(Text1.Text)
mrc.Update
MsgBox " 添加成绩成功！", vbExclamation + vbOKOnly, "提示"
mrc.Close
'Combo1.Clear
'Combo2.Clear
'Combo3.Clear
'Combo4.Clear
Text1.Text = ""
End Sub
Private Sub Command2_Click()
Unload Me
End Sub
Private Sub Form_Load()
Text1.Text = ""
Command1.Enabled = True
Command2.Enabled = True
Combo1.Enabled = True
Combo2.Enabled = True
Combo3.Enabled = True
Combo4.Enabled = True
Text1.Enabled = True
'Combo1.AddItem ("")
'Combo2.AddItem ("")
'Combo3.AddItem ("")
'Combo4.AddItem ("")
Text1.Text = ""
Dim mrc As ADODB.Recordset
txtsql = "select * from 学生基本信息"
Set mrc = ExecuteSQL(txtsql)
If mrc.EOF = True Then
MsgBox " 还没有学生记录,无法添加！", vbExclamation + vbOKOnly, "警告"
Me.notabled
Exit Sub
End If
Do While Not mrc.EOF
Combo1.AddItem mrc.Fields(0)
mrc.MoveNext
Loop
mrc.Close
'Dim mrc1 As ADODB.Recordset
'Dim mrc As ADODB.Recordset
txtsql = "select * from 班级"
Set mrc = ExecuteSQL(txtsql)
If mrc.EOF = True Then
MsgBox " 还没有班级记录，无法添加！", vbExclamation + vbOKOnly, "警告"
Me.notabled
Exit Sub
End If
Do While Not mrc.EOF
Combo2.AddItem mrc.Fields(1)
mrc.MoveNext
Loop
mrc.Close
'Dim mrc As ADODB.Recordset
txtsql = "select * from 学期"
Set mrc = ExecuteSQL(txtsql)
If mrc.EOF = True Then
MsgBox " 还没有学期记录，无法添加！", vbExclamation + vbOKOnly, "警告"
Me.notabled
Exit Sub
End If
Do While Not mrc.EOF
Combo3.AddItem mrc.Fields(1)
mrc.MoveNext
Loop
mrc.Close
'Dim mrc3 As ADODB.Recordset
txtsql = "select * from 课程"
Set mrc = ExecuteSQL(txtsql)
If mrc.EOF = True Then
MsgBox " 还没有课程记录，无法添加！", vbExclamation + vbOKOnly, "警告"
Me.notabled
Exit Sub
End If
Do While Not mrc.EOF
Combo4.AddItem mrc.Fields(1)
mrc.MoveNext
Loop
mrc.Close
End Sub
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