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Better way to do this?

Hey all,

I am developing a workshop registration system, and am new to ASP .NET.
On my first page, I want to list the "categories" available along with the
number of "workshops" related to that category. I have it working, but want
to know if there is a better way to do this. I have listed the code below,
any help would be VERY much appreciated.

----- CODE FOR MAIN PAGE -----

<%@ Page Language="vb" AutoEventWireup="false"
Inherits="Workshop_Registration_System.Workshop_Re gistration_System"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<title>Workshop Registration System | View Categories</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="Visual Basic .NET 7.1" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5"
<body MS_POSITIONING="FlowLayout">
<form id="Form1" method="post" runat="server">
<p align="center"><font face="Arial" color="#800000" size="4"><b>Welcome
to the IUSD
Workshop Registration System, v1.00</b></font></p>
<p align="center"><asp:datalist id="dlWorkshop_Category_Selections"
runat="server" BorderColor="#CC9966" BorderStyle="None"
BorderWidth="1px" BackColor="White" CellPadding="2" GridLines="Both"
Width="500px" RepeatColumns="2">
<SelectedItemStyle Font-Bold="True" Wrap="False" ForeColor="#663399"
Please select a workshop category from below
<ItemStyle Font-Size="10pt" Font-Names="Arial" Wrap="False"
ForeColor="#330099" BackColor="White"></ItemStyle>
<A href='<%# Databinder.Eval(Container.DataItem, "ID",
"view_category.aspx?workshop_category_id={0}&categ ory_name=" ) %><%#
Databinder.Eval(Container.DataItem, "Short_Name") %> '>
<asp:Label id="lblWorkshop_Category_Title" runat="server" Text='<%#
Databinder.Eval(Container.DataItem, "Short_Name") %>'>
(<asp:Label id="lblWorkshop_Category_Workshops_Count" runat="server">
</asp:Label> workshops)</A>
<FooterStyle ForeColor="#330099" BackColor="#FFFFCC"></FooterStyle>
<HeaderStyle Font-Bold="True" Wrap="False" ForeColor="#FFFFCC"


Imports System.Data.SqlClient

Public Class Workshop_Registration_System
Inherits System.Web.UI.Page

#Region " Web Form Designer Generated Code "

'This call is required by the Web Form Designer.
<System.Diagnostics.DebuggerStepThrough()> Private Sub

End Sub
Protected WithEvents dlWorkshop_Category_Selections As
Protected WithEvents lblWorkshop_Category_Title As
Protected WithEvents lblWorkshop_Category_Workshops_Count As

'NOTE: The following placeholder declaration is required by the Web Form
'Do not delete or move it.
Private designerPlaceholderDeclaration As System.Object

Private Sub Page_Init(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles MyBase.Init
'CODEGEN: This method call is required by the Web Form Designer
'Do not modify it using the code editor.
End Sub

#End Region

Dim dsWorkshop_Categories As DataSet

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles MyBase.Load
'Put user code to initialize the page here
If Not Page.IsPostBack Then
Dim daWorkshop_Categories As New SqlDataAdapter
daWorkshop_Categories =
DataHandler.GetDataAdapter("spGetCategory_Selectio ns", "Training_System")
daWorkshop_Categories.SelectCommand.CommandType =

' Create and add an output parameter to Parameters collection, then
' set the direction for the parameter. This parameter returns the Rows
daWorkshop_Categories.SelectCommand.Parameters.Add (New
SqlParameter("@RowCount", SqlDbType.Int, 4))
daWorkshop_Categories.SelectCommand.Parameters("@R owCount").Direction =

dsWorkshop_Categories = New DataSet
dsWorkshop_Categories.Tables(0).TableName = "Workshop_Categories"
dsWorkshop_Categories.Tables(1).TableName = "Workshop_Selections"

With dlWorkshop_Category_Selections
.DataSource = dsWorkshop_Categories
End With

End If
End Sub

Private Sub dlWorkshop_Category_Selections_ItemDataBound(ByVal sender As
Object, ByVal e As System.Web.UI.WebControls.DataListItemEventArgs) Handles
If e.Item.ItemType = ListItemType.Item Or e.Item.ItemType =
ListItemType.AlternatingItem Then
Dim dvWorkshop_Selections As DataView =
dsWorkshop_Categories.Tables("Workshop_Selections" ).DefaultView
dvWorkshop_Selections.RowFilter = "Workshop_Category_ID = '" &
Convert.ToString(CType(e.Item.DataItem, DataRowView).Row.Item("ID")) & "'"

Dim lblToChange As Label
lblToChange =
DirectCast(e.Item.FindControl("lblWorkshop_Categor y_Workshops_Count"),
lblToChange.Text = dvWorkshop_Selections.Count.ToString
End If
End Sub
End Class
----- SQL Stored Procedure -----

ALTER PROCEDURE dbo.spGetCategory_Selections
@RowCount int output
SELECT ID, Short_Name, Long_Name FROM tblWorkshop_Category_Selections WHERE
(Active = 1) AND (Status_ID = 1) ORDER BY Short_Name;
SELECT * FROM tblWorkshop_Selections;
Nov 18 '05 #1
1 1034
It's always better to developed with layer application approach. move
your access DB code from page into separate DAL assembly.

Natty Gur[MVP]

blog : http://weblogs.asp.net/ngur
Mobile: +972-(0)52-8888377
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Nov 18 '05 #2

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