frmaddscore.frm

来自「数据库课程设计」· FRM 代码 · 共 248 行

VERSION 5.00
Begin VB.Form frmAddScore 
   Caption         =   "成绩管理-添加"
   ClientHeight    =   2490
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6570
   LinkTopic       =   "Form1"
   ScaleHeight     =   2490
   ScaleWidth      =   6570
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton cmdCancel 
      Caption         =   "返回(&N)"
      Height          =   375
      Left            =   3120
      TabIndex        =   7
      Top             =   1920
      Width           =   1215
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "添加(&Y)"
      Height          =   375
      Left            =   1560
      TabIndex        =   6
      Top             =   1920
      Width           =   1335
   End
   Begin VB.Frame Frame1 
      Caption         =   "课程基本信息"
      Height          =   1575
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   6375
      Begin VB.TextBox txtCourseName 
         Height          =   285
         Left            =   4440
         TabIndex        =   12
         Text            =   "Text1"
         Top             =   720
         Width           =   1815
      End
      Begin VB.TextBox txtName 
         Enabled         =   0   'False
         Height          =   285
         Left            =   4440
         TabIndex        =   10
         Text            =   "Text1"
         Top             =   360
         Width           =   1815
      End
      Begin VB.ComboBox cboCourseNo 
         Height          =   315
         Left            =   1440
         TabIndex        =   8
         Text            =   "Combo1"
         Top             =   720
         Width           =   1815
      End
      Begin VB.TextBox txtScore 
         Height          =   285
         Left            =   1440
         TabIndex        =   2
         Text            =   "Text2"
         Top             =   1080
         Width           =   1815
      End
      Begin VB.TextBox txtStuNo 
         Height          =   285
         Left            =   1440
         TabIndex        =   1
         Text            =   "Text3"
         Top             =   360
         Width           =   1815
      End
      Begin VB.Label Label4 
         Caption         =   "课程名称："
         Height          =   255
         Left            =   3480
         TabIndex        =   11
         Top             =   720
         Width           =   975
      End
      Begin VB.Label Label2 
         Caption         =   "学生姓名："
         Height          =   255
         Left            =   3480
         TabIndex        =   9
         Top             =   360
         Width           =   975
      End
      Begin VB.Label Label5 
         Caption         =   "课程成绩："
         Height          =   255
         Left            =   480
         TabIndex        =   5
         Top             =   1080
         Width           =   975
      End
      Begin VB.Label Label3 
         Caption         =   "学生学号："
         Height          =   255
         Left            =   480
         TabIndex        =   4
         Top             =   360
         Width           =   975
      End
      Begin VB.Label Label1 
         Caption         =   "课程编号："
         Height          =   255
         Left            =   480
         TabIndex        =   3
         Top             =   720
         Width           =   975
      End
   End
End
Attribute VB_Name = "frmAddScore"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Public sqlStr As String
Public msgText As String


Private Sub cboCourseNo_Click()
    Dim rstCourseName As ADODB.Recordset
 
    sqlStr = "select course_name from courseInfo where course_no='" & Trim(cboCourseNo.Text) & "'"
    Set rstCourseName = ExecuteSQL(sqlStr, msgText)
    
    If Not rstCourseName.EOF Then
        txtCourseName = rstCourseName!course_name
    Else
        MsgBox "没有找到相关数据！", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    rstCourseName.Close

End Sub

Private Sub cmdCancel_Click()
Unload Me
End Sub

Private Sub cmdOK_Click()
   Dim rstScore As ADODB.Recordset
   Dim stuNo As String
   Dim courseNo As String
   Dim score As String
   
   '获取数据
   stuNo = Trim(txtStuNo.Text)
   courseNo = Trim(cboCourseNo.Text)
   score = Trim(txtScore.Text)
   
   If stuNo = "" Or score = "" Then
   
      MsgBox "请将信息补充完整", vbOKOnly + vbExclamation, "警告"

      Exit Sub
   
   End If
     
   
    '添加新记录
    sqlStr = "select * from scoreInfo"
    Set rstScore = ExecuteSQL(sqlStr, msgText)
    rstScore.AddNew
    rstScore.Fields("stu_no") = stuNo
    rstScore.Fields("course_no") = courseNo
    rstScore.Fields("course_score") = score
    
    rstScore.Update
    rstScore.Close
        
    MsgBox "成绩信息添加完成！", vbOKOnly + vbExclamation, "警告"
    
    initForm

End Sub

Private Sub Form_Load()
'窗体居中显示

Me.Top = (Screen.Height - Me.Height) \ 2
Me.Left = (Screen.Width - Me.Width) \ 2

initForm


End Sub

Private Sub txtStuNo_KeyPress(KeyAscii As Integer)
Dim rstStudent As ADODB.Recordset
If KeyAscii = 13 Then
    sqlStr = "select name from studentInfo"
    Set rstStudent = ExecuteSQL(sqlStr, msgText)
    
    If Not rstStudent.EOF Then
        txtName = rstStudent.Fields(0)
    Else
        MsgBox "未找到学生的信息记录！", vbOKOnly + vbExclamation, "警告"
        
        Exit Sub
    End If
    rstStudent.Close

End If
End Sub

Sub initCourseNo()
Dim rstCourseNo As ADODB.Recordset

    '从数据库中读取所有课程编号并添加到组合列表框中
    '方便录入时进行选择
    sqlStr = "select course_no from courseInfo"
    Set rstCourseNo = ExecuteSQL(sqlStr, msgText)
    cboCourseNo.Clear
    
    If Not rstCourseNo.EOF Then
        
            Do While Not rstCourseNo.EOF
                cboCourseNo.AddItem Trim(rstCourseNo.Fields(0))
                rstCourseNo.MoveNext
            Loop
            cboCourseNo.ListIndex = 0
        
    Else
        MsgBox "请添加数据！", vbOKOnly + vbExclamation, "警告"
        
        Exit Sub
    End If
    rstCourseNo.Close

End Sub

Sub initForm()
    txtStuNo = ""
    txtName = ""
    txtCourseName = ""
    txtScore = ""
    initCourseNo
End Sub