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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>

</head>

<body>

    <form id="form1" runat="server">

    <div>

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

              AllowPaging="True" AutoGenerateColumns="False"

              PageSize="6"

              AlternatingRowStyle-BackColor="red"

              AlternatingRowStyle-ForeColor="yellow" >

    <Columns>

    <asp:TemplateField HeaderText="Sno">

    <ItemTemplate>

        <%# Container.DataItemIndex + 1 %>

    </ItemTemplate>

    </asp:TemplateField>

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

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

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

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

    </Columns>

        <HeaderStyle BackColor="#FF9966" />

 

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

    </asp:GridView>

 

    </div>

    </form>

</body>

</html>

 

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

        bind()

    End Sub

    Sub bind()

        con.Open()

        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"

        GridView1.DataBind()

        con.Close()

    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

        bind()

    End Sub

End Class

 



     

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