IsPostBack 2

5

IsPostBack 2

TextBox 3

TextBox TextBox 4

TextBox TextBox 1 2 5

TextBox Columns MaxLength ReadOnly Rows Text TextMode TextMode MultiLine TextMode MultiLine True False TextMode MultiLine Password MulitLine SingleLine Wrap TextMode MultiLine True False 6

ASP.NET Text Dim height As Double = CDbl(txtHeight.Text) Dim weight As Double = CDbl(txtWeight.Text) CDbl() 7

Web Form Web Form<form> DefaultButton DefaultFocus TextBox Enter Button Web Form 8

IsPostBack Page IsPostBack 9

ViewState HTTP Web FormTextBox 10

<form><input type="hidden"> 11

ASP.NET Web Form EnableViewState False TextBox 12

Page IsPostBack Web Form PostBackWeb 1 If Page IsPostBack False Page_Load()Page IsPostBack 13

If Page.IsPostBack Then Else If txtname.text <> "" Then lbloutput.text = txtname.text & End If txtname.text = " " End If "!" 14

CheckBox RadioButton 15

CheckBox CheckBox Web Form 16

CheckBox CheckBox 1 1 17

CheckBox CheckBox Checked Text TextAlign CheckBox False True CheckBox Right Left 18

ASP.NETIf Checked If chkoriginal.checked Then total += 250 * quantity End If 19

RadioButton RadioButton 20

RadioButton RadioButton 1 1 21

RadioButtonCheckBox Checked Text TextAlign ASP.NETIf Checked RadioButton If rdbrare.checked Then lbloutput.text = " " End If GroupName RadioButton 22

DropDownList ListBox CheckBoxList RadioButtonList 23

DropDownList DropDownList HTML <select> 24

DropDownList ToolTip 25

ListBox ListBox HTML<select> 26

ListBox Rows 4 SelectionMode ToolTip Single Multiple 27

ListBox DropDownList For/Next For i = 0 To lstgifts.items.count - 1 If lstgifts.items(i).selected Then str = str & lstgifts.items(i).text & "<br/>" End If Next i 28

CheckBoxList RadioButtonList CheckBoxList CheckBox RadioButtonList RadioButton 29

CheckBoxList RadioButtonList CellPadding -1 CellSpacing RepeatColumns CheckBox 0 RepeatDirection RepeatLayout TextAlign Vertical Horizontal Table Flow Right Left 30

CheckBoxList ListBox RadioButtonList DropDownList 31

AutoPostBack TextBoxTextChanged RadioButtonCheckedChanged DropDownList SelectedIndexChanged 32

AutoPostBack AutoPostBack True AutoPostBack TextBox CheckBox RadioButton DropDownList CheckBoxList ListBox RadioButtonList TextChanged CheckedChanged SelectedIndexChanged 33

TextBoxTextChanged TextBoxTextChanged Enter TextChanged TextChanged TextChanged AutoPostBack True 34

TextBox TextChanged Protected Sub txtinput_textchanged(byval sender As Object, ByVal e As System.EventArgs) lbloutput.text = txtinput.text End Sub 35

RadioButton CheckedChanged RadioButton CheckBox CheckedChanged CheckedChanged CheckedChanged CheckedChanged AutoPostBack True 36

RadioButton CheckedChanged Protected Sub rdbrare_checkedchanged(byval sender As Object, ByVal e As System.EventArgs) lbloutput.text = rdbrare.text End Sub 37

DropDownList SelectedIndexChanged DropDownList SelectedIndexChanged SelectedIndexChanged SelectedIndexChanged SelectedIndexChanged AutoPostBack True 38

DropDownList SelectedIndexChanged Protected Sub ddlnames_selectedindexchanged(byval sender As Object, ByVal e As System.EventArgs) lbloutput.text = ddlnames.selecteditem.text End Sub 39