ASP.NET ListView Control - Microsoft Access (.mdb) - System.Data.OleDb |
ASP.NET ListView & Access (.mdb) (Framework 2.0,3.5) เป็นตัวอย่างการ เรียกใช้งาน Control ชื่อ ListView เพื่อดุงข้อมูลจากฐานข้อมูล Access มาแสดง โดยใช้ NameSpace ชื่อ System.Data.OleDb ในตัวอย่างผมพัฒนาด้วย Visual Studio 2005,2008 ซึ่ง Run บน Framework 2.0,3.5 ในรูปแบบของ Code-Behind แยกในส่วนของ Tag และ Code ไว้คนล่ะส่วน
Language Code :  VB.NET || C#
Framework : 3,4
ListView1.aspx
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="ListView1.aspx.vb" Inherits="ListView1" %>
<%@ Register assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" namespace="System.Web.UI.WebControls" tagprefix="asp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>ThaiCreate.Com ASP.NET - ListView & Access</title>
</head>
<body>
<form id="form1" runat="server">
<asp:ListView ID="myListView" runat="server" DataKeyNames="CustomerID">
<LayoutTemplate>
<table>
<tr>
<td>
<table id="Table1" runat="server" border="1">
<tr>
<th id="Th1" runat="server">
Select</th>
<th id="Th2" runat="server">
CustomerID</th>
<th id="Th3" runat="server">
Name</th>
<th id="Th4" runat="server">
Email</th>
<th id="Th5" runat="server">
CountryCode</th>
<th id="Th6" runat="server">
Budget</th>
<th id="Th7" runat="server">
Used</th>
</tr>
<tr ID="itemPlaceholder" runat="server">
</tr>
</table>
</td>
</tr>
</table>
</LayoutTemplate>
<ItemTemplate>
<tr>
<td>
<asp:CheckBox id="chkCustomerID" runat="server"/>
</td>
<td>
<asp:Label ID="lblCustomerID" runat="server"/>
</td>
<td>
<asp:Label ID="lblName" runat="server"/>
</td>
<td>
<asp:Label ID="lblEmail" runat="server"/>
</td>
<td>
<asp:Label ID="lblCountryCode" runat="server" />
</td>
<td>
<asp:Label ID="lblBudget" runat="server" />
</td>
<td>
<asp:Label ID="lblUsed" runat="server" />
</td>
</tr>
</ItemTemplate>
</asp:ListView>
<br />
<asp:Button id="Button1" onclick="Button1_Click" runat="server" Text="Submit"></asp:Button>
<hr />
<asp:Label id="lblText" runat="server"></asp:Label>
</form>
</body>
</html>
FormView1.aspx.vb
Imports System.Data
Imports System.Data.OleDb
Partial Class ListView1
Inherits System.Web.UI.Page
Dim objConn As OleDbConnection
Dim objCmd As OleDbCommand
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim strConnString As String
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath("database/mydatabase.mdb") & ";"
objConn = New OleDbConnection(strConnString)
objConn.Open()
If Not Page.IsPostBack() Then
BindData()
End If
End Sub
Protected Sub BindData()
Dim strSQL As String
strSQL = "SELECT * FROM customer"
Dim dtReader As OleDbDataReader
objCmd = New OleDbCommand(strSQL, objConn)
dtReader = objCmd.ExecuteReader()
'*** BindData to ListView ***'
myListView.DataSource = dtReader
myListView.DataBind()
dtReader.Close()
dtReader = Nothing
End Sub
Sub Page_UnLoad()
objConn.Close()
objConn = Nothing
End Sub
Protected Sub myListView_ItemDataBound(ByVal sender As Object, ByVal e As ListViewItemEventArgs) Handles myListView.ItemDataBound
Dim lvDataItem As ListViewDataItem = CType(e.Item, ListViewDataItem)
'*** CustomerID ***'
Dim lblCustomerID As Label = CType(e.Item.FindControl("lblCustomerID"), Label)
If Not IsNothing(lblCustomerID) Then
lblCustomerID.Text = lvDataItem.DataItem("CustomerID")
End If
'*** Name ***'
Dim lblName As Label = CType(e.Item.FindControl("lblName"), Label)
If Not IsNothing(lblName) Then
lblName.Text = lvDataItem.DataItem("CustomerID")
End If
'*** Email ***'
Dim lblEmail As Label = CType(e.Item.FindControl("lblEmail"), Label)
If Not IsNothing(lblEmail) Then
lblEmail.Text = lvDataItem.DataItem("Email")
End If
'*** CountryCode ***'
Dim lblCountryCode As Label = CType(e.Item.FindControl("lblCountryCode"), Label)
If Not IsNothing(lblCountryCode) Then
lblCountryCode.Text = lvDataItem.DataItem("CountryCode")
End If
'*** Budget ***'
Dim lblBudget As Label = CType(e.Item.FindControl("lblBudget"), Label)
If Not IsNothing(lblBudget) Then
lblBudget.Text = lvDataItem.DataItem("Budget")
End If
'*** Used ***'
Dim lblUsed As Label = CType(e.Item.FindControl("lblUsed"), Label)
If Not IsNothing(lblUsed) Then
lblUsed.Text = lvDataItem.DataItem("Used")
End If
End Sub
Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button1.Click
Dim chkCusID As CheckBox
Dim lblID As Label
Dim i As Integer
lblText.Text = ""
For i = 0 To myListView.Items.Count - 1
chkCusID = myListView.Items(i).FindControl("chkCustomerID")
lblID = myListView.Items(i).FindControl("lblCustomerID")
If chkCusID.Checked = True Then
'*** Have lblID.Text ***'
Me.lblText.Text = Me.lblText.Text & "<br>" & lblID.Text
End If
Next
End Sub
End Class
Screenshot
ASP.NET & System.Data.OleDb
ASP.NET & Microsoft Access
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 ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน Source Code 2.0 ของทีมงานไทยครีเอท
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By : |
ThaiCreate.Com Team (บทความเป็นลิขสิทธิ์ของเว็บไทยครีเอทห้ามนำเผยแพร่ ณ เว็บไซต์อื่น ๆ) |
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Score Rating : |
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Create/Update Date : |
2009-09-22 19:44:54 /
2017-03-28 21:47:41 |
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