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VB+SQL server学生信息管理系统毕业论文附源代码 第27页

更新时间:2007-10-13:  来源:毕业论文

MsgBox "修改成绩成功!", vbOKOnly + vbExclamation, "警告"

comboExamtype.Clear

comboClassno.Clear

comboSID.Clear

comboCourse.Clear

 

txtSQL = "select * from result_Info"

Set mrc = ExecuteSQL(txtSQL, MsgText)

 

mrc.MoveLast

Call viewData

 

firstCommand.Enabled = True

lastCommand.Enabled = True

previousCommand.Enabled = True

nextCommand.Enabled = True

 

updateCommand.Enabled = False

cancelCommand.Enabled = False

 

comboExamtype.Enabled = False

comboClassno.Enabled = False

comboSID.Enabled = False

comboCourse.Enabled = False

txtName.Enabled = False

txtResult.Enabled = False

 

End Sub

 

Private Sub comboClassno_Click()

Dim mrcc As ADODB.Recordset

Dim txtSQL As String

Dim MsgText As String

 

txtSQL = "select * from student_Info where class_NO = '" & comboClassno.Text & "'"

Set mrcc = ExecuteSQL(txtSQL, MsgText)

While (mrcc.EOF = False)

comboSID.AddItem mrcc!student_ID

mrcc.MoveNext

Wend

mrcc.Close

 

txtSQL = "select * from class_Info where class_No = '" & comboClassno.Text & "'"

Set mrcc = ExecuteSQL(txtSQL, MsgText)

Grade = mrcc!Grade

mrcc.Close

 

txtSQL = "select * from gradecourse_Info where grade = '" & Grade & "'"

Set mrcc = ExecuteSQL(txtSQL, MsgText)

While (mrcc.EOF = False)

comboCourse.AddItem mrcc!course_Name

mrcc.MoveNext

Wend

mrcc.Close

 

End Sub

.........................................................................................................

 

.......................... frmSetcourseinfo 设置年级课程窗口代码 .................................

 

Option Explicit

Dim flagSet As Boolean

Dim flagGrade As Boolean

 

Private Sub cmdAdd_Click()

If listAllcourse.ListIndex <> -1 Then

listSelectcourse.AddItem listAllcourse.List(listAllcourse.ListIndex)

 

End If

 

End Sub

 

Private Sub cmdDelete_Click()

If listSelectcourse.ListIndex <> -1 Then

listSelectcourse.RemoveItem listSelectcourse.ListIndex

End If

End Sub

 

Private Sub cmdExit_Click()

Unload Me

End Sub

 

Private Sub cmdModify_Click()

Dim i As Integer

Dim mrc As ADODB.Recordset

Dim mrcc As ADODB.Recordset

Dim txtSQL As String

Dim MsgText As String

Dim myBookmark As Variant

 

If Not Testtxt(comboGrade.Text) Then

MsgBox "请先选择年级!", vbOKOnly + vbExclamation, "警告"

Exit Sub

End If

 

If Not Testtxt(listSelectcourse.List(0)) Then

MsgBox "请选择课程!", vbOKOnly + vbExclamation, "警告"

Exit Sub

End If

 

txtSQL = "select * from gradecourse_Info where grade = '" & Trim(comboGrade.Text) & "'"

Set mrc = ExecuteSQL(txtSQL, MsgText)

If mrc.EOF Then

For i = 1 To listSelectcourse.ListCount

mrc.AddNew

mrc.Fields(0) = comboGrade.Text

mrc.Fields(1) = listSelectcourse.List(i - 1)

mrc.Update

Next i

mrc.Close

MsgBox "课程设置成功!", vbOKOnly + vbExclamation, "警告"

 

Else

mrc.Close

txtSQL = "delete from gradecourse_Info where grade = '" & Trim(comboGrade.Text) & "'"

Set mrcc = ExecuteSQL(txtSQL, MsgText)

 

 

txtSQL = "select * from gradecourse_Info "

Set mrcc = ExecuteSQL(txtSQL, MsgText)

For i = 1 To listSelectcourse.ListCount

mrcc.AddNew

mrcc.Fields(0) = comboGrade.Text

mrcc.Fields(1) = listSelectcourse.List(i - 1)

mrcc.Update

Next i

mrcc.Close

MsgBox "课程设置成功!", vbOKOnly + vbExclamation, "警告"

End If

 

End Sub

 

Private Sub cmdSet_Click()

Dim mrc As ADODB.Recordset

Dim txtSQL As String

Dim MsgText As String

 

listAllcourse.Enabled = True

listSelectcourse.Enabled = True

cmdModify.Enabled = True

 

txtSQL = "select * from course_Info "

Set mrc = ExecuteSQL(txtSQL, MsgText)

While (mrc.EOF = False)

listAllcourse.AddItem mrc.Fields(1)

mrc.MoveNext

Wend

mrc.Close

flagSet = True

End Sub

 

Private Sub comboGrade_Click()

Dim mrc As ADODB.Recordset

Dim txtSQL As String

Dim MsgText As String

Dim i As Integer

 

listSelectcourse.Clear

txtSQL = "select * from gradecourse_Info where grade = '" & comboGrade.Text & "'"

Set mrc = ExecuteSQL(txtSQL, MsgText)

If Not mrc.EOF Then

For i = 1 To mrc.RecordCount

listSelectcourse.AddItem mrc.Fields(1)

mrc.MoveNext

Next i

End If

mrc.Close

End Sub

 

Private Sub Form_Load()

flagSet = False

flagGrade = False

listAllcourse.Enabled = False

listSelectcourse.Enabled = False

cmdModify.Enabled = False

comboGrade.AddItem "初中一年级"

comboGrade.AddItem "初中二年级"

comboGrade.AddItem "初中三年级"

comboGrade.AddItem "高中一年级"

comboGrade.AddItem "高中二年级"

comboGrade.AddItem "高中三年级"

End Sub

 

 

Private Sub listAllcourse_Click()

If listAllcourse.ListIndex <> -1 Then

listSelectcourse.ListIndex = -1

End If

End Sub

 

Private Sub listSelectcourse_Click()

If listSelectcourse.ListIndex <> -1 Then

listAllcourse.ListIndex = -1

End If

End Sub

.........................................................................................................

 

........................... frmInquiresinfo 查询学籍信息窗口代码 .................................

 

Private Sub cmdExit_Click()

Unload Me

End Sub

 

Private Sub cmdInquire_Click()

Dim txtSQL As String

Dim MsgText As String

Dim dd(4) As Boolean

Dim mrc As ADODB.Recordset

 

txtSQL = "select * from student_Info where "

If Check1(0).Value Then

If Trim(txtSID.Text) = "" Then

sMeg = "学号不能为空"

MsgBox sMeg, vbOKOnly + vbExclamation, "警告"

txtSID.SetFocus

Exit Sub

Else

If Not IsNumeric(Trim(txtSID.Text)) Then

MsgBox "请输入数字!", vbOKOnly + vbExclamation, "警告"

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