how to add datalist item to temporary cart table in asp.net

Question

hi every one,

 

i would like to add my datalist item to temporary cart table (data table) , when i am click on image buttton of datalist item ..plz tel me, already i am tried some , but it was showing one item detail repeated , and also if i am click on another item previous item was lost from data table please help me....

 

 

my c#  code

------------------ 

 

protected void dl_beers_ItemCommand(object source, DataListCommandEventArgs e)

{

if (e.CommandName == "item_plus")

{

// Label lblprice = (Label)(e.Item.FindControl("lbl_beer_price"));

Label lblcart = (Label)(e.Item.FindControl("lbl_items_order"));

Label lblitem = (Label)(e.Item.FindControl("lbl_beer_name"));

Label lblpid = (Label)(e.Item.FindControl("lbl_pid"));

int order = Convert.ToInt16(lblcart.Text);

order = order + 1;

int index = e.Item.ItemIndex;

Label lblprice = (Label)dl_beers.Items[index].FindControl("lbl_beer_price");

//for price

float price = float.Parse(lblprice.Text);

price = price * order;

Convert.ToSingle(price);

//add to cart

DataTable dt = new DataTable();

dt.Columns.Add("pid",typeof(string));

dt.Columns.Add("pname",typeof(string));

dt.Columns.Add("pprice", typeof(string));

for (int i = dt.Rows.Count; i <= Convert.ToInt32(lblcart.Text); i++) //for (int i = 0; i <= Convert.ToInt32(lblcart.Text); i++)

{

dt.Rows.Add(lblpid.Text, lblitem.Text, lblprice.Text);

addtocart();

ViewState["dt"] = dt;

this.BindGrid();

}

lblcart.Text = Convert.ToString(order);

}

if (e.CommandName == "item_minus")

{

// int ordercount = Convert.ToInt16(spn_beersorder.InnerText);

Label lblcart = (Label)(e.Item.FindControl("lbl_items_order"));

int order = Convert.ToInt16(lblcart.Text);

if (order > 0)

{

order = order - 1;

// beers_order = order;

lblcart.Text = Convert.ToString(order);

// ordercount = ordercount - 1;

// spn_beersorder.InnerText = Convert.ToString(ordercount);

}

else

{

order = 0;

lblcart.Text = Convert.ToString(order);

// spn_beersorder.InnerText = Convert.ToString(order+"x");

}

}

}

 

 

 

my aspx code

----------------------

 

 

<asp:DataList ID="dl_beers" OnItemCommand="dl_beers_ItemCommand" Width="100%" CellSpacing="10" DataKeyField="pid" ItemStyle-HorizontalAlign="Center" RepeatDirection="Vertical" RepeatColumns="1" RepeatLayout="Table" runat="server">

<HeaderTemplate>

<thead>

<tr style=" border-bottom-style: solid;border-width:thin;border-color: #EAEAEA; text-align:center;">

<th>

Item

</th>

<th>

Name

</th>

<th>

Volume

</th>

<th>

Price

</th>

<th style=" text-align:left;">

Order

</th>

</tr>

</thead>

</HeaderTemplate>

<ItemTemplate>

<tbody>

<tr class="c_dl_products_alter" >

<td>

<asp:Image ID="img_item_beer" CssClass="img-responsive img img-thumbnail" Height="70px" Width="50px" ImageUrl='<%#"../admin/"+Eval("pimgpath") %>' runat="server" />

</td>

<td>

<asp:Label ID="lbl_beer_name" Font-Bold="true" runat="server" Text='<%#Eval("pname") %>'></asp:Label>

<p runat="server" id="p_beer_desc">

<%#Eval("pdisc") %>

</p> <asp:Label ID="lbl_o" runat="server" Text="Label"></asp:Label>

</td>

<td>

<asp:Label ID="lbl_beer_volume" Font-Bold="true" runat="server" Text='<%#Eval("pvolume") %>'></asp:Label>

</td>

<td>

<asp:Label ID="lbl_beer_price" Font-Bold="true" runat="server" Text='<%#Eval("pprice") %>'></asp:Label>

</td>

<td style="text-align:center; width:110px;">

<div class="c_div_btn_cart">

<asp:ImageButton ID="imgbtn_minus" ImageUrl="img/minus.png" CssClass="img-circle img-responsive img c_imgbtns" CommandName="item_minus" CommandArgument='<%#Eval("pid") %>' runat="server" />

</div>

<div class="c_div_itemquntity">

<asp:Label ID="lbl_items_order" Font-Bold="true" CssClass="lbl_p_quantiy" runat="server" Text="0"></asp:Label>

</div>

<div class="c_div_btn_cart">

<asp:ImageButton ID="imgbtn_plus" ImageUrl="img/plus.png" CssClass="img-circle img-responsive img c_imgbtns" CommandArgument='<%#Eval("pid") %>' CommandName="item_plus" runat="server" />

</div>

<asp:Label ID="lbl_pid" runat="server" Visible="false" Text='<%#Eval("pid") %>'></asp:Label>

</td>

</tr>

</tbody>

</ItemTemplate>

</asp:DataList>

 

 // cart view

 

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4" ForeColor="#333333" GridLines="None" >

<AlternatingRowStyle BackColor="White" ForeColor="#284775" />

<Columns>

<asp:BoundField DataField="pid" HeaderText="ID" ItemStyle-Width="150" >

<ItemStyle Width="150px" />

</asp:BoundField>

<asp:BoundField DataField="pname" HeaderText="Name" ItemStyle-Width="150" >

<ItemStyle Width="150px" />

</asp:BoundField>

<asp:BoundField DataField="pprice" HeaderText="price" ItemStyle-Width="150" >

<ItemStyle Width="150px" />

</asp:BoundField>

<asp:TemplateField>

<ItemTemplate>

<asp:LinkButton ID="LinkButton1" Text="Edit" runat="server" CommandName="Edit" />

</ItemTemplate>

<EditItemTemplate>

<asp:LinkButton ID="LinkButton2" Text="Update" runat="server" />

<asp:LinkButton ID="LinkButton3" Text="Cancel" runat="server" />

</EditItemTemplate>

</asp:TemplateField>

</Columns>

<EditRowStyle BackColor="#999999" />

<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />

<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />

<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />

<RowStyle BackColor="#F7F6F3" ForeColor="#333333" />

<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />

<SortedAscendingCellStyle BackColor="#E9E7E2" />

<SortedAscendingHeaderStyle BackColor="#506C8C" />

<SortedDescendingCellStyle BackColor="#FFFDF8" />

<SortedDescendingHeaderStyle BackColor="#6F8DAE" />

</asp:GridView>