Shopping cart using Session arraylist and
dataset in ASP.Net Update, Delete :
Aspx code
-- CSS
<style
type="text/css">
.tblTD {
width:200px;
font-size:15px;
text-align:center;
color:white;
}
</style>
<asp:repeater
id="rptProductList"
runat="server"
onitemdatabound="rptProductList_ItemDataBound"
onitemcommand="rptProductList_ItemCommand">
<HeaderTemplate>
<div
style="border:1px
solid #6f6e6e">
<table>
<tr
style="background:#6f6e6e;height:25px">
<td
class="tblTD"></td>
<td
class="tblTD">
<asp:Label
ID="lbl"
Text="ProductName"
runat="server">
</asp:Label>
</td>
<td
class="tblTD">
<asp:Label
ID="Label1"
Text="Price"
runat="server">
</asp:Label>
</td>
<td
class="tblTD">
<asp:Label
ID="Label2"
Text="Qty"
runat="server">
</asp:Label>
</td>
<td
class="tblTD">
</td>
<td
class="tblTD">
</td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<div>
<tr>
<td
class="tblTD">
<asp:Image
ID="Image1"
runat="server"
ImageUrl='<%#"Handler1.ashx?id="+
Eval("ID")%>'
Height="125px"
Width="125px"
/>
</td>
<td
class="tblTD"
style="color:#6f6e6e">
<asp:Label
ID="lblName"
runat="server"
Text='<%#Eval("pro")
%>'></asp:Label>
</td>
<td
class="tblTD"
style="color:#6f6e6e">
<asp:Label
ID="lblPrice"
Text='<%#Eval("sp")%>'
runat="server"></asp:Label>
</td>
<td
class="tblTD"
style="color:#6f6e6e">
<asp:Label
ID="lblQuantity"
runat="server"></asp:Label>
</td>
<td
class="tblTD"
style="color:#6f6e6e">
<asp:TextBox
ID="txtQuantity"
Width="50px" runat="server">
</asp:TextBox>
--LinkButton Update
CommandName,Command Argument
<asp:LinkButton
ID="lnkUpdate"
runat="server"
Text="Update"
CommandArgument='<%#Eval("ID")
%>'
CommandName="UpdateColumn">
</asp:LinkButton>
</td>
<td
class="tblTD"
style="color:#6f6e6e">
--LinkButton Delete
CommandName,Command Argument
<asp:LinkButton
ID="lnkDelete"
runat="server"
Text="X"
CommandArgument='<%#Eval("ID")
%>'
CommandName="DeleteColumn">
</asp:LinkButton>
<asp:Label
ID="lblID"
runat="server"></asp:Label>
</td>
</tr>
</ItemTemplate>
<FooterTemplate>
</table>
</div>
</FooterTemplate>
</asp:repeater>
Aspx.CS
using
System;
using
System.Collections;
using
System.Collections.Generic;
using
System.Configuration;
using
System.Data;
using
System.Data.SqlClient;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
namespace
project
{
public partial
class Cart : System.Web.UI.Page
{
SqlConnection cn =
new
SqlConnection(ConfigurationManager.AppSettings["Connection"]);
SqlDataAdapter da =
new SqlDataAdapter();
System.Collections.ArrayList
myArrayList = new
ArrayList();
DataSet ds = new
DataSet();
string aa;
string DeleteID, UpdateID,UpdateValue;
int bb=0;
protected void
Page_Load(object sender,
EventArgs e)
{
if
(!IsPostBack)
{
ds = (DataSet)Session["CartDS"];
View();
}
}
public void View()
{
string[] arrID = new
string[20];
int Count;
if (Session["CartDS"]
!= null)
{
if (ds.Tables[0].Rows.Count != 0)
{
for (int i = 0;
i < ds.Tables[0].Rows.Count; i++)
{
arrID[i]
= ds.Tables[0].Rows[i]["ID"].ToString() +
",";
aa +=
arrID[i];
}
aa = aa.Trim(',');
string Select;
Select =
"Select * From tbl_product where ID in (" + aa +
")";
da =
new SqlDataAdapter(Select,
cn);
DataSet ds1 = new
DataSet();
da.Fill(ds1);
rptProductList.DataSource
= ds1;
rptProductList.DataBind();
//Quantity
Add
foreach
(RepeaterItem rpt in rptProductList.Items)
{
Label lbl =
(Label)rpt.FindControl("lblQuantity");
Label lblID =
(Label)rpt.FindControl("lblID");
TextBox txtQuantity =
(TextBox)rpt.FindControl("txtQuantity");
lbl.Text
= ds.Tables[0].Rows[rpt.ItemIndex]
["items"].ToString();
lblID.Text
= ds.Tables[0].Rows[rpt.ItemIndex]
["ID"].ToString();
txtQuantity.Text
= ds.Tables[0].Rows[rpt.ItemIndex
["items"].ToString();
}
for (int i = 0;
i < ds.Tables[0].Rows.Count; i++)
{
arrID[i]
= ds.Tables[0].Rows[i]["items"].ToString();
bb +=
Convert.ToInt16(arrID[i]);
}
string cc = bb.ToString();
string Cou = ds1.Tables[0].Rows.Count.ToString();
Session["ItemCount"]
= cc.ToString();
}
else
{
lblCartNotselected.Text = "You Selected Not Cart";
Session["ItemCount"]
= "0";
}
}
else
{
Session["ItemCount"]
= "0";
lblCartNotselected.Text = "You Selected Not Cart !
!";
}
}
//Repeater
Control ItemCommand
protected void
rptProductList_ItemCommand(object source,
RepeaterCommandEventArgs e)
{
if (e.Item.ItemType ==
ListItemType.Item || e.Item.ItemType ==
ListItemType.AlternatingItem)
{
//Delete
LinkButton CommandName and CommandArgument Passing
if (e.CommandName ==
"DeleteColumn")
{
Label lblQuantity = (Label)e.Item.FindControl("lblQuantity");
string aa = lblQuantity.Text;
DeleteID =
e.CommandArgument.ToString();
ds = (DataSet)Session["CartDS"];
DataTable dt1
= new DataTable();
dt1 =
ds.Tables[0];
foreach (DataRow
dr in ds.Tables[0].Rows)
{
if (dr["id"].ToString() == DeleteID)
{
//Delete
dr.Delete();
ds.Tables[0].AcceptChanges();
break;
}
//
ds.Tables[0].AcceptChanges();
}
View();
Response.Redirect("Cart.aspx");
}
//Update
LinkButton CommandName and CommandArgument Passing
if (e.CommandName ==
"UpdateColumn")
{
UpdateID =
e.CommandArgument.ToString();
TextBox txtQuantity=
(TextBox)e.Item.FindControl("txtQuantity");
ds = (DataSet)Session["CartDS"];
for (int i = 0;
i < ds.Tables[0].Rows.Count; i++)
{
if (ds.Tables[0].Rows[i]["id"].ToString()
== UpdateID)
{
//Update
ds.Tables[0].Rows[i]["items"] =
txtQuantity.Text;
ds.Tables[0].AcceptChanges();
break;
}
}
View();
}
}
}
}
}
![Image1.jpg]()
Using Session and DataSet
http://vijubook.blogspot.in/2013/11/shopping-cart-using-session-arraylist.html