String :
Dim As String |
, , ( ), :
Dim As String = " " = |
, :
, ;
;
;
, .
:
Const name = " """"" |
, , .
, , Option Strict On. CStr() ToString() Convert.
Dim chislo As Double chislo = 3.14 Dim str1 As String = Convert.ToString(chislo) Dim str2 As String = CStr(chislo) |
, Val(), CDbl(), CInt() .. Convert:Convert.ToDouble(), Convert.ToInt32() ..
:
Dim chislo As Integer = Convert.ToInt32(TextBox1.Text) Dim dlina As Double = Convert.ToDouble(TextBox2.Text) Dim v As Single = CSng(TextBox3.Text) |
2 . , , , . , Val(), . .
4.9.3. /
, , , , , . , . , , .
TextBox, ListBox, ComboBox. Multiline True. , , Label. , .. Text . ,
|
|
Label1.Text=" " |
, Visible False, , , Visible True.
, VB System, , , .
Text String. Text String, ToString CStr():
Dim As Integer = 31 Label1.Tex t = .ToString Label2.Text = CStr() |
ToString(), Integer CStr(). Convert:
Label1.Text = Convert.ToString() |
Option Strict On .
, Text TextBox, ListBox,
ComboBox , . VB Convert:
Dim As Integer = Convert.ToInt32(TextBox1.Text) Dim As Double = Convert.ToDouble(TextBox2.Text) Dim As Single = CSng(TextBox3.Text) |