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Dynamically creating autonumber column in gridview

Posted By:satyapriyanayak       Posted Date: March 25, 2013    Points: 40    Category: ASP.NET Controls    URL: http://www.dotnetspark.com  

Dynamically creating autonumber column in gridview

Default.aspx code


<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>


<!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>Untitled Page</title>



    <form id="form1" runat="server">


    <asp:GridView ID="GridView1" runat="server"

              AllowPaging="True" AutoGenerateColumns="False"



              AlternatingRowStyle-ForeColor="yellow" >


    <asp:TemplateField HeaderText="Sno">


        <%# Container.DataItemIndex + 1 %>



    <asp:BoundField DataField="sname" HeaderText="Name"/>

    <asp:BoundField DataField="saddress" HeaderText="Address" />

       <asp:BoundField DataField="smarks" HeaderText="Marks" />

       <asp:BoundField DataField="year" HeaderText="Year" />            


        <HeaderStyle BackColor="#FF9966" />


<AlternatingRowStyle BackColor="Red" ForeColor="Yellow"></AlternatingRowStyle>








Default.aspx.vb code

Imports System.Data

Imports System.Data.SqlClient

Partial Class _Default

    Inherits System.Web.UI.Page

    Dim strConnString As String = System.Configuration.ConfigurationManager.ConnectionStrings.Item("ConnectionString").ToString()

    Dim con As New SqlConnection(strConnString)

    Dim str As String

    Dim com As SqlCommand

    Dim sqlda As SqlDataAdapter

    Dim ds As DataSet

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load


    End Sub

    Sub bind()


        str = "select sname,smarks,saddress,year from student"

        com = New SqlCommand(str, con)

        sqlda = New SqlDataAdapter(com)

        ds = New DataSet

        sqlda.Fill(ds, "student")

        GridView1.DataSource = ds

        GridView1.DataMember = "student"



    End Sub


    Protected Sub GridView1_PageIndexChanging(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewPageEventArgs) Handles GridView1.PageIndexChanging

        GridView1.PageIndex = e.NewPageIndex


    End Sub

End Class



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