- System.Data
System.Data
, System.Data.OleDb System.Data.SqlClient,
ADO.NET. OleDb SqlClient
, ,
,
. -
( OleDb OleDbDataAdapter; SqlClient SqlDataAdapter),
(dataset). ,
.ADO.NET ADO,
ADO.NET ADO. , ADO ( ActiveX Data Objects) COM-
. ADO.NET e ,
(dataset).
- System.IO
System.IO
, / , :
(Directory class) (File class)
(FileSystemWatcher class)
, ,
(streams).
(characters) (StringReader StringWriter)
(streams) (BinaryWriter BinaryReader)
(FileStream)
-
System.Text.RegularExpressions
System.Text.RegularExpressions ,
.NET Framework's (expression) .
, (expression) ,
,
.
- . :
s/ab*c/def
ab*c (, ab
c). , def.
:
Single character -
.
Dot (. )
, .
[ string of characters] -
,
. [abc] a, b, c.
, [0-9]
. [0-9a-z] , [a-zA-Z]
.
^ . [^0-9]
, .
System.Text.RegularExpressions Regex ,
. Regex:
Dim rx As New
System.Text.RegularExpressions.Regex("da{3,5}d")
'
MsgBox(rx.IsMatch("0a1"))
' False
MsgBox(rx.IsMatch("0aaa1"))
'
True
-
System.Windows.Forms
Windows- .
Form class
.
VB .NET :
Imports System.Windows.Forms
.