ASP.NET(vb.net) & ListView - Oracle Database - System.Data.OracleClient

Author: admin | Posted: 08-06-2010 | Category: ASP.NET(vb.net) & ListView Control

ASP.NET(vb.net) & ListView - Oracle Database - System.Data.OracleClient Example scripts how to use ListView control in asp.net , Using Connector System.Data.OracleClient namespace is the .NET Framework Data Provider for Oracle, how to the connect to Oracle Database.

ShotDev Focus:
- ASP.NET(vb.net) & ListView - Oracle Database - System.Data.OracleClient

Example

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>ShotDev.Com Tutorial</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>

ListView1.aspx.vb

Imports System.Data
Imports System.Data.OracleClient

Partial Class ListView1
Inherits System.Web.UI.Page

Dim objConn As OracleConnection
Dim objCmd As OracleCommand

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim strConnString As String
strConnString = "Data Source=TCDB;User Id=myuser;Password=mypassword;"
objConn = New OracleConnection(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 OracleDataReader
objCmd = New OracleCommand(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

Create a asp.net file and save to path root-path/dotnet/

Run
http://localhost/dotnet/ListView1.aspx

Screenshot

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