Code đọc tệp :
Private Sub cmddoc_Click()
Dim c As String
Dim b As String
// Code design by Seo Anh
c = InputBox$(" nhap file can doc")
lbl2.Caption = " cac phan tu co trong tap " + c +
" la: "
Open c For Input As 2
Do Until EOF(2)
Input #2, b
lbl2.Caption = lbl2.Caption + b + " "
Loop
Close #2
End Sub
GHI TỆP CHẮN :
Private Sub cmdchan_Click()
Dim c As String
c = InputBox(" nhap file can ghi")
Open c For Output As 1
For i = 0 To n - 1
If a(i) Mod 2 = 0 Then
Write #1, a(i)
End If
Next
Close #1
End Sub
CHÈN TỆP:
Private Sub cmdchen_Click()
Dim x As Integer
Dim y As String
Dim tg As String
x = InputBox(" nhap vi tri can chen")
y = InputBox(" nhap phan tu can chen")
lbl2.Caption = " mang sau khi chen: "
If x > n Then
MsgBox (" vi tri ban yeu cau lon hon do dai cua
mang")
Else
For i = x To n
tg = a(i)
a(i) = y
y = tg
Next
End If
For i = 0 To n
lbl2.Caption = lbl2.Caption & a(i) & " "
Next
End Sub
GHI TỆP LẺ:
Private Sub cmdle_Click()
Dim c As String
c = InputBox(" nhap file can ghi")
Open c For Output As 1
For i = 0 To n - 1
If a(i) Mod 2 <> 0 Then
Write #1, a(i)
End If
Next
Close #1
End Sub
SAO CHÉP TỆP:
Private Sub cmdsaochep_Click()
Dim c As String
Dim p As String
Dim x As String
Dim y As String
c = InputBox(" nhap file can coppy")
p = InputBox(" nhap file can pase")
Open p For Output As 1
Open c For Input As 2
Do Until EOF(2)
Input #2, x
y = y + " "
+ x
Loop
Write #1, y
Close #1
Close #2
End Sub
NHẬP MẢNG :
Private Sub cmdnhap_Click()
n = CInt(txt)
lbl1.Caption = "day vua nhap la: "
ReDim a(n)
For i = 0 To n - 1
a(i) = InputBox(" moi ban nhap phan tu thu" &
i + 1)
lbl1.Caption = lbl1.Caption + a(i) + " "
Next
End Sub
CHÈN 1 PHẦN TỬ VÀO MẢNG
Private Sub cmdchen_Click()
Dim x As Integer
Dim y As Integer
x = InputBox("Nhap vao vi tri can chen !")
y = InputBox("Nhap vao so can chen !")
If x > n Then
MsgBox ("Vi tri ban vua nhap k hop le !")
Else
For i = x To n
tg = a(i)
a(i) = y
y = tg
Next
For i = 0 To n
lblchen.Caption = lblchen.Caption & a(i) &
" "
Next
End If
End Sub
CODE IN RA DAY SO HOAN HAO:
Private Sub cmdhh_Click()
Dim dem As Integer
dem = 0
For i = 0 To n - 1
For j = 1 To a(i)
- 1
If a(i) Mod j = 0
Then
dem = dem + j
End If
Next
If dem = a(i) Then
dem = 0
lblhienthi.Caption
= lblhienthi.Caption & a(i) & "
"
End If
Next
End Sub
TRUNG BÌNH CỘNG CỦA MẢNG:
Private Sub cmdtbc_Click()
Dim s As Single
Dim c As Single
Dim tbc As Single
For i = 0 To n - 1
s = s + a(i)
c = c + 1
Next
tbc = s / c
lblhienthi.Caption = " TBC cua day so la:" &
tbc
End Sub
KẾT NỐI CSDL : ADO
Private Sub cmdnhap_Click()
Me.Adodc1.Recordset.AddNew
Me.Adodc1.Recordset.Fields("macb") = txtma.Text
Me.Adodc1.Recordset.Fields("hoten") = txtten.Text
Me.Adodc1.Recordset.Fields("ngaysinh") =
txtngaysinh.Text
Me.Adodc1.Recordset.Update
txtma.Text = ""
txtten.Text = ""
txtngaysinh.Text = ""
End Sub
Private Sub cmdsua_Click()
Me.Adodc1.Recordset.Fields("macb") = txtma.Text
Me.Adodc1.Recordset.Fields("hoten") = txtten.Text
Me.Adodc1.Recordset.Fields("ngaysinh") =
txtngaysinh.Text
Me.Adodc1.Recordset.Update
End Sub
Private Sub cmdxoa_Click()
Dim ts As Integer
tl = MsgBox("Ban co thuc su muon xoa ?", vbYesNo)
If tl = vbYes Then
Me.Adodc1.Recordset.Delete
End If
End Sub
Private Sub DataGrid1_Click()
txtma.Text = Me.Adodc1.Recordset.Fields("macb")
txtten.Text = Me.Adodc1.Recordset.Fields("hoten")
txtngaysinh.Text =
Me.Adodc1.Recordset.Fields("ngaysinh")
End Sub
CODE TÌM KIẾM TÊN THEO NHẬP VÀO :
Private Sub cmdtim_Click()
Dim sql As String
sql = "select * from sv where hoten like '" &
(txtten.Text) & "'"
Me.Adodc1.RecordSource = sql
Me.Adodc1.Refresh
Me.DataGrid1.Refresh
End Sub
CODE NHÂN 2 MA TRẬN :
Private Sub CMDNHAN()
If h1 = c2 Then
ReDim tich(c1, h2)
For i = 1 To c1
For j = 1 To h2
For t = 1 To h1
tich(i, j) = tich(i, j) + (a(i, t) * b(t, j))
Next
lblht.Caption = lblht.Caption & tich(i, j) & “
Next
lblht.Caption = lblht.Caption & Chr(13)
Next
Else
lblht.Caption = " ko the nhan"
End If
End Sub
CODE TỔNG ĐƯỜNG CHÉO CHÍNH:
Private Sub cmdtongcheochinh_Click()
Dim tong As Integer
tong = 0
For i = 0 To m - 1
For j = 0 To n - 1
If i = j Then
tong =
tong + a(i, j)
End If
Next
Next
lblduongcheo.Caption = tong
End Sub
CODE TỔNG 2 MA TRẬN :
Private Sub cmdtong()
If (c1 <> c2 Or h1 <> h2) Then
lblht.Caption = "ko the cong)"
Else
ReDim tong(c1, h1)
For i = 1 To c1
For j = 1 To h1
tong(i, j) = a(i, j) + b(i, j)
lblht.Caption = lblht.Caption & tong(i, j)
Next
lblht.Caption = lblht.Caption & Chr(13)
Next
End If
End Sub
CODE TỔNG HÀNG CỦA MA TRẬN :
Private Sub Command1_Click()
For i = 0 To m - 1
For j = 0 To n - 1
lbla.Caption =
lbla.Caption & " " & a(i, j)
Next
lbla.Caption =
lbla.Caption & Chr(13)
Next
Dim tong As Integer
lblhienthi = "tong hang ma tran a la:"
For i = 0 To m - 1
For j = 0 To n - 1
tong = tong +
a(i, j)
Next
lblhienthi.Caption
= lblhienthi.Caption + "tong hang" & i & ":" &
tong & Chr(13)
tong = 0
Next
End Sub
Nhãn bài viết: Chia-se | Hoc-tap
