Bind data to gridview from database and then export it to xml file

Satyapriyanayak
Posted by Satyapriyanayak under ASP.NET category on | Points: 40 | Views : 1208
We will know how to Bind data to gridview from database and then export it to xml file. 

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" 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">
</asp:GridView>
<asp:Button ID="btnsave" runat="server" onclick="btnsave_Click"
Text="Save to Xml" />
</div>
</form>
</body>
</html>


using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
SqlCommand com;
SqlDataAdapter sqlda;
DataSet ds;
string str;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindGrid();
}
}
protected void BindGrid()
{
SqlConnection con = new SqlConnection(connStr);
con.Open();
str = "select * from employee";
com = new SqlCommand(str, con);
sqlda = new SqlDataAdapter(com);
con.Close();
ds = new DataSet();
sqlda.Fill(ds, "employee");
GridView1.DataSource = ds;
GridView1.DataMember = "employee";
GridView1.DataBind();
}
protected void btnsave_Click(object sender, EventArgs e)
{
BindGrid();
ds.WriteXml("d:\\employee.xml");
Response.Write("Records saved as xml");
}
}

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