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ASP.NET(vb.net) & DataList - Visual Studio 2005,2008,2010 (Fx 2.0,3.5,4.0)

ASP.NET(vb.net) & DataList - Visual Studio 2005,2008,2010 (Fx 2.0,3.5,4.0) Example scripts how to use DataList control in asp.net ,Development and sample scripts on Visual Studio 2005,2008,2010 (FX 2.0,3.5,4.0)

ShotDev Focus:
- ASP.NET(vb.net) & DataList - Visual Studio 2005,2008,2010 (Fx 2.0,3.5,4.0)

Example

DataList1.aspx

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="DataList1.aspx.vb" Inherits="DataList1" %>

<!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:DataList id="myDataList" runat="server" RepeatColumns="2">
<HeaderTemplate>
<b>My Category</b><br/>
</HeaderTemplate>
<ItemTemplate>
<div style="width:100px" align="center">
<asp:Image id="imgPicture" runat="server"></asp:Image>
<br />
<asp:HyperLink id="hplCategory" runat="server"></asp:HyperLink>
</div>
</ItemTemplate>
</asp:DataList>
</form>
</body>
</html>

DataList1.aspx.vb

Imports System.Data
Imports System.Data.OleDb
Partial Class DataList1
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()

BindData()
End Sub

Protected Sub BindData()
Dim strSQL As String
strSQL = "SELECT * FROM category"

Dim dtReader As OleDbDataReader
objCmd = New OleDbCommand(strSQL, objConn)
dtReader = objCmd.ExecuteReader()

'*** BindData to DataList ***'
myDataList.DataSource = dtReader
myDataList.DataBind()

dtReader.Close()
dtReader = Nothing

End Sub

Protected Sub Page_Unload(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Unload
objConn.Close()
objConn = Nothing
End Sub

Protected Sub myDataList_ItemDataBound(ByVal sender As Object, ByVal e As DataListItemEventArgs) Handles myDataList.ItemDataBound
'*** Image ***'
Dim img As Image = CType(e.Item.FindControl("imgPicture"), Image)
If Not IsNothing(img) Then
img.ImageUrl = "images/" & e.Item.DataItem("Picture")
'img.Attributes.Add("OnClick","window.location='http://www.shotdev.com?CateID="&e.Item.DataItem("CategoryID")&"'")
'img.Style.Add("cursor","hand")
End If

'*** HyperLink ***'
Dim hplCate As HyperLink = CType(e.Item.FindControl("hplCategory"), HyperLink)
If Not IsNothing(hplCate) Then
hplCate.Text = e.Item.DataItem("CategoryName")
hplCate.ToolTip = e.Item.DataItem("CategoryName")
hplCate.NavigateUrl = "http://www.shotdev.com?CateID=" & e.Item.DataItem("CategoryID")
End If
End Sub
End Class

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

Run
http://localhost/dotnet/DataList1.aspx

Screenshot

ASP.NET(vb.net) & DataList - Visual Studio 2005,2008,2010 (Fx 2.0,3.5,4.0)
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