<%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true"
CodeFile="Default.aspx.cs" Inherits="_Default" %>
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
<asp:GridView ID="GridView1" runat="server" AllowPaging="True"
AllowSorting="True" AutoGenerateColumns="False" DataKeyNames="CustomerID"
Width="41px" CellPadding="4" ForeColor="#333333" GridLines="None"
onselectedindexchanged="GridView1_SelectedIndexChanged" Height="32px">
<Columns>
<asp:CommandField ShowSelectButton="True" />
<asp:BoundField DataField="CustomerID" HeaderText="CustomerID" InsertVisible="False" ReadOnly="True" />
<asp:BoundField DataField="Firstname" HeaderText="Firstname" />
<asp:TemplateField HeaderText="Select">
<ItemTemplate>
<asp:CheckBox ID="chkSelect" runat="server" /> </ItemTemplate> <HeaderTemplate>
<%--<input id="chkAll" onclick="javascript:SelectAllCheckboxes(this);" runat="server" type="checkbox" />--%>
</HeaderTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<br />
<br /> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Delete" />
<asp:Label ID="lblmsg" runat="server" Text="Label" Visible="false"></asp:Label>
</asp:Content>
////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Configuration;
using System.Data;
public partial class _Default : System.Web.UI.Page
{
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["conn"].ToString());
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindGridView();
}
}
public void BindGridView()
{
SqlDataAdapter ad = new SqlDataAdapter("select * from tbl_CustomerDetail order by CustomerID", con);
DataSet ds = new DataSet(); ad.Fill(ds);
GridView1.DataSource = ds; GridView1.DataBind();
}
protected void Button1_Click(object sender, EventArgs e)
{
foreach (GridViewRow row in GridView1.Rows)
{
CheckBox cb = ((CheckBox)(row.FindControl("chkSelect")));
if (cb != null && cb.Checked)
{
int custID = Convert.ToInt32(GridView1.DataKeys[row.RowIndex].Value);
string sqlstr = "delete from tbl_CustomerDetail where CustomerID='" + custID + "'"; SqlCommand mycmd;
mycmd = new SqlCommand(sqlstr, con);
con.Open();
mycmd.ExecuteNonQuery();
BindGridView();
}
con.Close();
}
}
protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
}
}
