How do I...How to get the checked rows' "Product Name"s of a grid view in a list box

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I have a gridview with rows Product Code, Product Name, Category, etc. along with checkboxes in each row. I need a way so that when I click a button named "Add", the Product names along with the Product codes of the ckecked rows of the gridview should be populated into a listbox.

The codes are here:

GetItems.aspx

C#

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage_ShoppingCart.master" AutoEventWireup="true" CodeFile="GetItems.aspx.cs" Inherits="GetItems" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
    <style type="text/css">
        .style46
        {
            width: 797px;
        }
        .style47
        {}
        .style48
        {}
        .style49
        {}
        .style50
        {}
    </style>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder2" Runat="Server">
</asp:Content>
<asp:Content ID="Content3" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
    <asp:Panel ID="Panel_SelectItems" runat="server">
    <table class="style42">
        <tr>
            <td class="style46" valign="top">
                <asp:GridView ID="GridView1" runat="server" HeaderStyle-BackColor="#3AC0F2" HeaderStyle-ForeColor="White"
    AutoGenerateColumns="False" CssClass="style47" Width="975px">
    <Columns>
        <asp:TemplateField>
            <ItemTemplate>
                <asp:CheckBox ID="chkRow" runat="server" />
            </ItemTemplate>
        </asp:TemplateField>
        <asp:BoundField DataField="pcode" HeaderText="Product Code" 
            ItemStyle-Width="150" >
        <ItemStyle Width="150px" />
        </asp:BoundField>
        <asp:BoundField DataField="pname" HeaderText="Product Name" 
            ItemStyle-Width="300" >
        <ItemStyle Width="300px" />
        </asp:BoundField>
        <asp:BoundField DataField="pbrand" HeaderText="Brand Name" 
            ItemStyle-Width="300" >
        <ItemStyle Width="300px" />
        </asp:BoundField>
        <asp:BoundField DataField="category" HeaderText="Product Category" 
            ItemStyle-Width="150" >
        <ItemStyle Width="150px" />
        </asp:BoundField>
        <asp:BoundField DataField="price" HeaderText="Price/Quantity" 
            ItemStyle-Width="150" >
        <ItemStyle Width="150px" />
        </asp:BoundField>
        <asp:BoundField DataField="qty" HeaderText="Quantity Available" 
            ItemStyle-Width="100" >
        <ItemStyle Width="100px" />
        </asp:BoundField>
    </Columns>
                    <HeaderStyle BackColor="#3AC0F2" ForeColor="White" />
</asp:GridView>
                <asp:Button ID="Button_Add2Cart" runat="server" CssClass="style49" 
                    Height="58px" onclick="Button_Add2Cart_Click" Text="Add" Width="78px" />
                
                <asp:Button ID="Button1" runat="server" CssClass="style50" Height="58px" 
                    Text="Remove" />
                <br />
                <asp:ListBox ID="ListBox1" runat="server" CssClass="style48" Height="74px" 
                    Width="471px"></asp:ListBox>
                <br />
                
<br />
                <br />
            </td>
        </tr>
    </table>
</asp:Panel>
</asp:Content>

And here is the code-behind: GetItems.aspx.cs

C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

public partial class GetItems : System.Web.UI.Page
{
    ClassShopCartCon_Rakesh con = new ClassShopCartCon_Rakesh();
    DataSet ds = new DataSet();

    protected void Page_Load(object sender, EventArgs e)
    {
        ds = con.dataFetch("select pcode, pname, pbrand, category, price, qty from products");
        if (!this.IsPostBack)
        {
            GridView1.DataSource = ds;
            GridView1.DataBind();
        }
    }
}

Posted 4-May-14 3:12am

J. Chatterjee

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Peter Leow · Accepted Answer · 2014-05-04T04:08:00

Study this example and adapt it to your need:
the aspx page:

XML

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default30.aspx.cs" Inherits="Default30" %>

<!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 id="Head1" runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <asp:GridView ID="GridView1" runat="server">
        <Columns>
            <asp:TemplateField>
                <HeaderTemplate>
                        <asp:Label ID="Label1" runat="server" Text="Check"></asp:Label>
                </HeaderTemplate>
                <ItemTemplate>
                    <asp:CheckBox ID="CheckBox1" runat="server" />
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
    </asp:GridView>
    <asp:ListBox ID="ListBox1" runat="server"></asp:ListBox>
    <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
    </form>
</body>
</html>

the code behind:

using System;
using System.Web.UI.WebControls;
using System.Data;

public partial class Default30 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (IsPostBack == true)
            return;
        DataTable dtTemp = new DataTable();
        dtTemp.Columns.Add("Name");
        dtTemp.Rows.Add("Peter");
        dtTemp.Rows.Add("James");
        dtTemp.Rows.Add("Mick");
        dtTemp.Rows.Add("MAry");
        GridView1.DataSource = dtTemp;
        GridView1.DataBind();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        foreach (GridViewRow row in GridView1.Rows)
        {
            CheckBox chkBox = (CheckBox)row.FindControl("CheckBox1");
            if (chkBox != null && chkBox.Checked)
            {
                ListBox1.Items.Add(row.Cells[1].Text.ToString());
                chkBox.Checked = false;
            }
        }
    }
}