ASP.NET ListView Control - SQL Server 2000,2005,2008 - System.Data.SqlClient |
ASP.NET ListView & SQL Server (Framework 2.0,3.5,4.0) เป็นตัวอย่างการ เรียกใช้งาน Control ชื่อ ListView เพื่อดุงข้อมูลจากฐานข้อมูล SQL Server 2000,2005 และ 2008 มาแสดง โดยใช้ NameSpace ชื่อ System.Data.SqlClient ในตัวอย่างผมพัฒนาด้วย Visual Studio 2005,2008,2010 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 & SQL Server</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.SqlClient
Partial Class ListView1
Inherits System.Web.UI.Page
Dim objConn As SqlConnection
Dim objCmd As SqlCommand
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim strConnString As String
strConnString = "Server=localhost;UID=sa;PASSWORD=;database=mydatabase;Max Pool Size=400;Connect Timeout=600;"
objConn = New SqlConnection(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 SqlDataReader
objCmd = New SqlCommand(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.SqlClient
ASP.NET & SQL Server
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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 19:45:25 /
2017-03-28 21:48:06 |
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