Bài giảng Lập trình C# 2010: Chương 2.2 - ĐH Công nghệ Đồng Nai

DONG NAI UNIVERSITY OF TECHNOLOGY


DONG NAI UNIVERSITY OF TECHNOLOGY

DateTimePicker & MonthCalendar


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Name
Format

Description
Gets or sets the format of the date and time displayed in the
control

CustomFormat

Gets or sets the custom date/time format string

Value

Gets or sets the date/time value assigned to the control.

dateTimePicker1.Format = DateTimePickerFormat.Custom;
dateTimePicker1.CustomFormat = "MMMM dd, yyyy - dddd";
Next Slide to see list Custom Format


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Format string

Description

d
dd
ddd
dddd
h
hh
H

The one- or two-digit day.
The two-digit day. Single-digit day values are preceded by a 0.
The three-character day-of-week abbreviation.
The full day-of-week name.
The one- or two-digit hour in 12-hour format.
The two-digit hour in 12-hour format. Single digit values are preceded
by a 0.
The one- or two-digit hour in 24-hour format.


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Format string

Description

HH

m
mm
M
mm
M
MM
MMM

The two-digit hour in 24-hour format. Single digit values are preceded by a 0.
The one- or two-digit minute.
The two-digit minute. Single digit values are preceded by a 0.
The one- or two-digit month number.
The two-digit minute. Single digit values are preceded by a 0.
The one- or two-digit month number.
The two-digit month number. Single digit values are preceded by a 0.
The three-character month abbreviation.


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Format string

Description

MMMM
s
ss
t

The full month name.

The one- or two-digit seconds.
The two-digit seconds. Single digit values are preceded by a 0.
The one-letter A.M./P.M. abbreviation (A.M. is displayed as "A").

tt

The two-letter A.M./P.M. abbreviation (A.M. is displayed as "AM").

y

The one-digit year (2001 is displayed as "1").

yy
yyyy

The last two digits of the year (2001 is displayed as "01").
The full year (2001 is displayed as "2001").


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ListBox

private void
frm ListBox_Load(object sender, EventArgs e)
{

listBox1.Item s.Clear();

for (int i= 0; i< 10; i+ + )

listBox1.Item s.Add("Item " + i);
}

private void listBox1_SelectedIndexC hanged
(object sender,EventArgs e)
{

lblM essage.Text = listBox1.Text
+ " w as clicked!";
}


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A n d W e can u se A d d R an g e m eth od to ad d d ata:
private void frm ListBox_Load(object sender, EventArgs e)
{
string[] strArr = new string[] { "Tèo","Tí","Bin","Bo"};
listBox1.Item s.AddRange(strArr);
}


p u b lic class C S tud ent
{

p rivate strin g m _strID ;
p rivate string m _strN am e;
p u b lic C S tud ent(string strID ,
string strN am e)
{ th is.m _strID = strID ;

this.m _strN am e = strN am e;
}
p u b lic string ID
{ g et { retu rn this.m _strID ; }
set { this.m _strID = value; }
}
p u b lic string N am e
{ g et { retu rn this.m _strN am e; }
set { this.m _strN am e = value; }
}

}

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using System .Collections;
A lso W e can u se D ataS ou rce to d isp lay d ata

ArrayList arr = new ArrayList();
for(int i= 0;i< 10;i+ + )
{arr.Add(new

CStudent("ID _"+ i,"N am e "+ i));

}
listBox1.D ataSource = arr;
listBox1.ValueM em ber = "ID ";
listBox1.D isplayM em ber = "N am e";

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DONG NAI UNIVERSITY OF TECHNOLOGY

To g et ob ject from Listb ox, W e cou ld u se cod in g b elow :
if (listBox1.SelectedItem != null)
{
CStudent svTeo = (CStudent )
listBox1.SelectedItem ;
lblM essage.Text = aStudent.N am e
+ " W as selected";
}


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CheckedListBox
btnAdd

btnAddAll

chklbLef
chklbRight

btnRemove

btnRemoveAll

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U se Item s to ad d d ata
private void frm CheckListBox_Load
(object sender, EventArgs e)
{ chklbLeft.Item s.Add("Tèo");

chklbLeft.Item s.Add("Tí");

chklbLeft.Item s.Add("Bin");
chklbLeft.Item s.Add("Bo");
}
O r w e could use A d d R an g e
chklbLeft.Items.AddRange(new string[] { "Tèo","Tí","Bin","Bo"});


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H ow to p rocess Item s C h ecked ???
C ase 1 :
CheckedListBox.CheckedIndexCollection indexCollection =
chklbLeft.CheckedIndices;
string strChecked = "";
foreach (int i in indexCollection)
{
strChecked += i + ";";
}
MessageBox.Show(strChecked);

DONG NAI UNIVERSITY OF TECHNOLOGY

H ow to p rocess Item s C h ecked ???
C ase 2:
C h ecked ListB ox.C h ecked Item C ollection item s =
chklbLeft.CheckedItem s;
strin g strChecked = "";
foreach (string s in item s)
{
strChecked + = s + ";";
}

M essag eB ox.Show (strChecked);


DONG NAI UNIVERSITY OF TECHNOLOGY

H ow to p rocess Item s C h ecked ???
C ase 3 :
strin g strChecked = "";
for (int i= 0; i< chklbLeft.Item s.Count; i+ + ){
if (chklbLeft.G etItem C h ecked (i))
{
//Process Item checked here
}
}


DONG NAI UNIVERSITY OF TECHNOLOGY

G o b ack C h ecklistB ox Exam p le:
private void btnAdd_Click
(object sender,EventArgs e)
{

foreach(int iin chklbLeft.C heckedIndices)
{
chklbRight.Item s.Add(chklbLeft.Item s[i]);
}
foreach (string s in chklbRight.Item s)
{chklbLeft.Item s.Rem ove(s);}
}


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private void btnAddAll_Click
(object sender, EventArgs e)
{

chklbRight.Item s.AddRange
(chklbLeft.Item s);

}

chklbLeft.Item s.Clear();


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private void btnRem ove_Click
(object sender, EventArgs e)
{
foreach (string s in

chklbRight.CheckedItem s)

chklbLeft.Item s.Add(s);
foreach(string s in chklbLeft.Item s)
chklbRight.Item s.Rem ove(s);
}


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private void btnRem oveAll_Click
(object sender, EventArgs e)
{
chklbLeft.Item s.AddRange
(chklbRight.Item s);

chklbRight.Item s.C lear();
}


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Menu (2 ways to use)
MainMenu

MenuStrip

MenuItem

ToolStripMenuItem

Menu Property

MainMenuStrip
Property


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I would like to tell you : using MainMenu is the basic
Menu.
In this case, I will demo add Menu at Runtime for you.

Please see next slide !


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Coding to create Menu at Runtime


private M ain M en u m ainM enuBar;

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private M en u Item m enuFile, m enuEdit, m enuFileN ew , m enuFileO pen,
m enuFileExit, m enuEditC ut, m enuEditC opy, m enuEditPaste;

p rivate void createM en u ()
{
m ainM enuBar = new M ainM enu();
this.M enu = m ainM enuBar;
m enuFile= new M enuItem ("File");
m enuFileN ew = new M enuItem ("N ew ");
m enuFileO pen = new M enuItem ("O pen");
m enuFileExit = new M enuItem ("Exit");
m enuFile.M enuItem s.Add(m enuFileN ew );
m enuFile.M enuItem s.Add(m enuFileO pen);


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p rivate void createM en u (){ … …
m enuFile.M enuItem s.Add("-");
m enuFile.M enuItem s.Add(m enuFileExit);
m ainM enuBar.M enuItem s.Add(m enuFile);
m enuEdit = new M enuItem ("Edit");
m enuEditCut = new M enuItem ("Cut");
m enuEditCopy = new M enuItem ("Copy");
m enuEditPaste = new M enuItem ("Paste");
m enuEdit.M enuItem s.AddRange(new M enuItem []
{ m enuEditCut,m enuEditCopy,m enuEditPaste});
m ainM enuBar.M enuItem s.Add(m enuEdit);
attachEvents();}