VB+SQL server学生信息管理系统毕业论文附源代码 第20页

mrc.Close

 

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

Set mrc = ExecuteSQL(txtSQL, MsgText)

Grade = mrc!Grade

mrc.Close

 

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

Set mrc = ExecuteSQL(txtSQL, MsgText)

While (mrc.EOF = False)

comboCourse.AddItem mrc!course_Name

mrc.MoveNext

Wend

mrc.Close

 

Flagselect = True

 

End Sub

 

Private Sub comboCourseno_Change()

 

End Sub

 

Private Sub comboSID_Click()

Dim mrc As ADODB.Recordset

Dim txtSQL As String

Dim MsgText As String

 

txtSQL = "select * from student_Info where student_ID = '" & comboSID.Text & "'"

Set mrc = ExecuteSQL(txtSQL, MsgText)

txtName.Text = mrc!student_Name

mrc.Close

End Sub

 

Private Sub Form_Load()

Dim mrc As ADODB.Recordset

Dim txtSQL As String

Dim MsgText As String

 

 

Flagselect = False

txtSQL = "select * from class_Info "

Set mrc = ExecuteSQL(txtSQL, MsgText)

While (mrc.EOF = False)

comboClassno.AddItem mrc!class_No

mrc.MoveNext

Wend

mrc.Close

 

comboExamtype.AddItem "2000期中"

comboExamtype.AddItem "2000期末"

comboExamtype.AddItem "2001期中"

comboExamtype.AddItem "2001期末"

 

End Sub

 

 

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

 

.......................... frmModifyuserinfo 修改用户信息窗口代码 ................................

Private Sub cmdCancel_Click()

Unload Me

End Sub

Private Sub cmdOK_Click()

Dim txtSQL, MsgText As String

Dim mrc As ADODB.Recordset

 

If Trim(Text1(1).Text) <> Trim(Text1(2).Text) Then

MsgBox "密码输入不正确!", vbOKOnly + vbExclamation, "警告"

Text1(1).SetFocus

Text1(1).Text = ""

Else

txtSQL = "select * from user_Info where user_ID = '" & UserName & "'"

Set mrc = ExecuteSQL(txtSQL, MsgText)

mrc.Fields(1) = Text1(1).Text

mrc.Update

mrc.Close

MsgBox "密码修改成功!", vbOKOnly + vbExclamation, "修改密码"

Me.Hide

 

End If

 

End Sub

 

 

 

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

 

............................. frmModifysinfo 修改学籍信息窗口代码 ................................

 

Dim mrc As ADODB.Recordset

Dim myBookmark As Variant

Dim mcclean As Boolean

 

Private Sub editCommand_Click()

mcclean = False

Frame2.Enabled = False

firstCommand.Enabled = False

previousCommand.Enabled = False

nextCommand.Enabled = False

lastCommand.Enabled = False

 

txtSID.Enabled = True

txtName.Enabled = True

comboSex.Enabled = True

txtBorndate.Enabled = True

comboClassNo.Enabled = True

txtRudate.Enabled = True

txtTel.Enabled = True

txtAddress.Enabled = True

txtComment.Enabled = True

 

myBookmark = mrc.Bookmark

End Sub

 

Private Sub cancelCommand_Click()

If Not mcclean Then

Frame2.Enabled = True

firstCommand.Enabled = True

previousCommand.Enabled = True

nextCommand.Enabled = True

lastCommand.Enabled = True

 

txtSID.Enabled = False

txtName.Enabled = False

comboSex.Enabled = False

txtBorndate.Enabled = False

comboClassNo.Enabled = False

txtRudate.Enabled = False

txtTel.Enabled = False

txtAddress.Enabled = False

txtComment.Enabled = False

 

mrc.Bookmark = myBookmark

Call viewData

Else

MsgBox "什么都没有修改,有什么好取消的!", vbOKOnly + vbExclamation, "警告"

End If

 

End Sub

 

Private Sub deleteCommand_Click()

myBookmark = mrc.Bookmark

str2$ = MsgBox("是否删除当前记录?", vbOKCancel, "删除当前记录")

If str2$ = vbOK Then

mrc.MoveNext

If mrc.EOF Then

mrc.MoveFirst

myBookmark = mrc.Bookmark

mrc.MoveLast

mrc.Delete

mrc.Bookmark = myBookmark

Call viewData

Else

myBookmark = mrc.Bookmark

mrc.MovePrevious

mrc.Delete

mrc.Bookmark = myBookmark

Call viewData

End If

Else

mrc.Bookmark = myBookmark

Call viewData

End If

End Sub 

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