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Link Exchange

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Statistics of Sourcecode in Thailand
 
 Webboard

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з #3427 [Vb]

ԴҤѺ˹

file:///C:/Users/Luiz/Desktop/cats.jpg

ԴٻФѺ
ѹٻҹ
file:///C:/Users/Luiz/Desktop/cats1.jpg
ҡس : Nopparat [2013-08-19 14:35:27]  

58.8.253.10 Դ #28858 (ҡ IP: 58.8.253.10)
ͧѺ ͧʵ file:///C:/Users/Luiz/Desktop/cats.jpg
š仴͡ҡǹͧѺ

й纷Ѻҡٻ , instagram ѾŴҾ йlinkͧҾдաҤѺ
ҡس : maddog [2013-08-19 14:47:36]

182.53.221.154 Դ #28863 (ҡ IP: 182.53.221.154)
Dim sqlUser As String = ""
sqlUser = "SELECT * FROM Product "
sqlUser &= " WHERE (ProductID='" & txtProductID.Text & "')"
Dim com As New OleDbCommand()
Dim dr As OleDbDataReader
Dim dt As DataTable
With com
.CommandType = CommandType.Text
.CommandText = sqlUser
.Connection = Conn
.Parameters.Clear()
.Parameters.Add("ProductID", OleDbType.VarChar).Value = txtProductID.Text.Trim()
dr = .ExecuteReader()
If dr.HasRows Then
dt = New DataTable()
dt.Load(dr)
lblProductName.Text = dt.Rows(0).Item("ProductName").ToString()
lblSalePrice.Text = dt.Rows(0).Item("Producttype").ToString()
lblNumProduct.Text = dt.Rows(0).Item("SalePrice").ToString()
TextBox1.Text = dt.Rows(0).Item("ProductNum").ToString()
Else

MessageBox.Show("բ !!!", "šõǨͺ", MessageBoxButtons.OK, MessageBoxIcon.Information)

End If
End With
dr.Close()
End Sub
ѹerror ExecuteReader

ѹ ExecuteReader requires an open and available Connection. The connection's current state is closed.

¼˹Сѹ Ѻ ͺسѺ
ҡس : eve / chaiwat.b@hotmail.com [2013-08-19 15:24:32]

58.8.253.10 Դ #28864 (ҡ IP: 58.8.253.10)
ҡ error Ẻ connection ա(Ѻҹ)

google
http://msdn.microsoft.com/en-us/library/979byfca.aspx?cs-save-lang=1&cs-lang=vb#code-snippet-2


Public Sub CreateReader(ByVal connectionString As String, _
ByVal queryString As String)

Using connection As New OleDbConnection(connectionString)
Dim command As New OleDbCommand(queryString, connection)

connection.Open()

Dim reader As OleDbDataReader = command.ExecuteReader()
While reader.Read()
Console.WriteLine(reader(0).ToString())
End While
reader.Close()
End Using
End Sub


connection As New OleDbConnection(connectionString) ͧͧҡ ͧӴ
ҡس : maddog [2013-08-19 15:42:03]

182.53.215.152 Դ #28865 (ҡ IP: 182.53.215.152)
դѺ ç˹Ѻ Ѻ
ҡس : eve / chaiwat.b@hotmail.com [2013-08-19 22:39:24]

58.11.102.130 Դ #28866 (ҡ IP: 58.11.102.130)
ҳ ͧ䢵ͧ 餧ͧ˹ѧҧԧдա---------------


Dim connectionString As String =""
connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\mydatabase.mdb;User Id=admin;Password=;" '͡Ѻ ms access

Dim sqlUser As String = ""
sqlUser = "SELECT * FROM Product "
sqlUser &= " WHERE (ProductID='" & txtProductID.Text & "')"

Dim connection As New OleDbConnection(connectionString)
Dim com As New OleDbCommand(sqlUser, connection)
Dim dr As OleDbDataReader
Dim dt As DataTable

connection.Open()

With com
.
.
.
.
.
.
ҡس : maddog [2013-08-21 16:09:35]
ͺз
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