Tuesday, July 22, 2014

PageIndex Changing event in GridView in Asp.Net













<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!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 runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" AllowPaging="True"
            CellPadding="4" ForeColor="#333333" OnPageIndexChanging="GridView1_PageIndexChanging"
            PageSize="4" Width="600px">
            <Columns>
                <asp:BoundField DataField="Name" HeaderText="Name" />
                <asp:BoundField DataField="Branch" HeaderText="Branch" />
                <asp:BoundField DataField="City" HeaderText="City" />
            </Columns>
            <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
            <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
        </asp:GridView>
    </div>
    </form>
</body>
</html>

================================
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.Data;

public partial class Default2 : System.Web.UI.Page
{
    SqlConnection con = new SqlConnection(@"Data Source=KCLINK-PC;Initial Catalog=Naresh;Integrated Security=True");
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindGridView();
        }
    }
    //method for binding GridView
    protected void BindGridView()
    {
        DataTable dt = new DataTable();
        SqlDataAdapter da = new SqlDataAdapter("Select ID, Name,Branch,City from tbl_student", con);
        con.Open();
        da.Fill(dt);
        con.Close();

        if (dt.Rows.Count > 0)
        {
            GridView1.DataSource = dt;
            GridView1.DataBind();
        }
    }
    // gridview pageindex changing event
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        BindGridView();
    }
}
===========================
CREATE TABLE [dbo].[tbl_student](
      [Id] [int] NULL,
      [Name] [varchar](50) NULL,
      [Branch] [varchar](50) NULL,
      [City] [varchar](50) NULL)