VB+SQL server学生信息管理系统毕业论文附源代码 第26页
Private Sub firstCommand_Click()
mrc.MoveFirst
Call viewData
End Sub
Private Sub Form_Load()
Dim txtSQL As String
Dim MsgText As String
comboExamtype.Enabled = False
comboClassno.Enabled = False
comboSID.Enabled = False
comboCourse.Enabled = False
txtName.Enabled = False
txtResult.Enabled = False
updateCommand.Enabled = False
cancelCommand.Enabled = False
txtSQL = "select * from result_Info "
Set mrc = ExecuteSQL(txtSQL, MsgText)
If mrc.EOF = False Then
mrc.MoveFirst
Call viewData
myBookmark = mrc.Bookmark
Else
MsgBox "没有纪录?quot;, vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
End Sub
Public Sub viewData()
comboExamtype.Text = mrc!exam_No
comboClassno.Text = mrc!class_No
comboSID.Text = mrc!student_ID
comboCourse.Text = mrc!course_Name
txtName.Text = mrc!student_Name
txtResult.Text = mrc!result
End Sub
Private Sub lastCommand_Click()
mrc.MoveLast
Call viewData
End Sub
Private Sub nextCommand_Click()
mrc.MoveNext
If mrc.EOF Then
mrc.MoveFirst
End If
Call viewData
End Sub
Private Sub previousCommand_Click()
mrc.MovePrevious
If mrc.BOF Then
mrc.MoveLast
End If
Call viewData
End Sub
Private Sub updateCommand_Click()
Dim MsgText As String
If Not Testtxt(comboExamtype.Text) Then
MsgBox "请输入考试编号!", vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
If Not Testtxt(comboClassno.Text) Then
MsgBox "请选择班号!", vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
If Not Testtxt(comboSID.Text) Then
MsgBox "请选择学号!", vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
If Not Testtxt(comboCourse.Text) Then
MsgBox "请选择课程!", vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
If Not Testtxt(txtResult.Text) Then
MsgBox "请输入分数!", vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
If Not IsNumeric(txtResult.Text) Then
MsgBox "分数请输入数字!", vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
mrc.Fields(0) = comboExamtype.Text
mrc.Fields(1) = comboSID.Text
mrc.Fields(2) = txtName.Text
mrc.Fields(3) = comboClassno.Text
mrc.Fields(4) = comboCourse.Text
mrc.Fields(5) = txtResult.Text
mrc.Update
mrc.Close
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