This tutorial will show how to display the latest entries to a database, using a Repeater Control. VB version.
Displaying the last entries to the database (the newest ones) is rather simple. We can order the select statement using a SQL statement, and just select the last 5, 10, 20, etc.
First, we need this line:
| Imports System.Data.SqlClient |
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Next, we create a Repeater control to display the data:
<form id="form1" runat="server">
<div>
<asp:Repeater ID="Repeater1" runat="server">
<HeaderTemplate></HeaderTemplate>
<ItemTemplate>ID: <%#DataBinder.Eval(Container.DataItem, "theID")%><br />
Name: <%#DataBinder.Eval(Container.DataItem, "theName") %><br />
City: <%#DataBinder.Eval(Container.DataItem, "theCity")%><hr width="50px" />
</ItemTemplate>
<FooterTemplate></td></FooterTemplate>
</asp:Repeater>
</div>
</form> |
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Then, using a SQL Statement, we select the last 5 entries to the database. This 5 can be changed to 10, 20, etc. Depending on the needs and database size.
The code-behind would look something like this:
Imports System
Imports System.Data
Imports System.Configuration
Imports System.Web
Imports System.Web.Security
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports System.Web.UI.WebControls.WebParts
Imports System.Web.UI.HtmlControls
Imports System.Data.SqlClient
Partial Public Class _Default
Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
Dim cmd As New SqlCommand("SELECT TOP 5 * FROM [tblOne] ORDER BY [tblOne].theID DESC", New SqlConnection(ConfigurationManager.AppSettings("ConnString")))
cmd.Connection.Open()
Repeater1.DataSource = cmd.ExecuteReader()
Repeater1.DataBind()
cmd.Connection.Close()
cmd.Connection.Dispose() End Sub |
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