Introduction
This article demonstrates one of interesting
and most useful concept in asp.net gridview control
Question: What is bind gridView from 1 page to another with session?
In simple terms "It enables to bind gridview data of one page to another page
gridview with session variable".
Step 1: Create a web application
![Imgage1.jpg]()
Step 2: The complete code of WebForm1.aspx looks as below
<%@
Page Language="C#"
AutoEventWireup="true"
CodeBehind="WebForm1.aspx.cs"
Inherits="BindGridViewswithSessionApp.WebForm1"
%>
<!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
id="Head1"
runat="server">
<title></title>
</head>
<body>
<form id="form1"
runat="server">
<center>
<div>
<table>
<tr>
<td
colspan="2"
align="center">
<asp:Label
ID="Label1"
runat="server"
Text="Send
Data From 1 Grid to Another Grid of Next Page"
Font-Bold="true"
Font-Size="Large"
Font-Names="Verdana"
ForeColor="Maroon"></asp:Label>
</td>
</tr>
<tr>
<td
colspan="2"
align="center">
<asp:Button
ID="Button1"
runat="server"
Text="Pass Data to
Second Page" Font-Names="Verdana"
Width="213px"
BackColor="Orange"
Font-Bold="True"
OnClick="Button1_Click"
Style="height:
26px" />
</td>
</tr>
<tr>
<td
colspan="2"
align="center">
<asp:GridView
ID="GridView1"
runat="server"
CssClass="grid"
BackColor="LightGoldenrodYellow"
BorderColor="Tan"
BorderWidth="1px"
CellPadding="2"
ForeColor="Black"
GridLines="None"
AutoGenerateColumns="false">
<AlternatingRowStyle
BackColor="PaleGoldenrod"
/>
<FooterStyle
BackColor="Tan"
/>
<HeaderStyle
BackColor="Tan"
Font-Bold="True"
/>
<PagerStyle
BackColor="PaleGoldenrod"
ForeColor="DarkSlateBlue"
HorizontalAlign="Center"
/>
<SelectedRowStyle
BackColor="DarkSlateBlue"
ForeColor="GhostWhite"
/>
<SortedAscendingCellStyle
BackColor="#FAFAE7"
/>
<SortedAscendingHeaderStyle
BackColor="#DAC09E"
/>
<SortedDescendingCellStyle
BackColor="#E1DB9C"
/>
<SortedDescendingHeaderStyle
BackColor="#C2A47B"
/>
<Columns>
<asp:TemplateField
HeaderText="FirstName">
<ItemTemplate>
<asp:Label
runat="server"
ID="lblFName"
Text='<%#
Bind("FirstName") %>'>
</asp:Label></ItemTemplate>
</asp:TemplateField>
<asp:TemplateField
HeaderText="LastName">
<ItemTemplate>
<asp:Label
runat="server"
ID="lblLName"
Text='<%#
Bind("LastName") %>'>
</asp:Label></ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</td>
</tr>
</table>
</div>
</center>
</form>
</body>
</html>
Step 3: The complete code of WebForm1.aspx.cs looks as below
using
System;
using
System.Collections.Generic;
using
System.Data.SqlClient;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
using
System.Data;
namespace
BindGridViewswithSessionApp
{
public partial
class WebForm1 : System.Web.UI.Page
{
SqlConnection con =
new SqlConnection("Data
Source=WIN-KV3BO1RQQF7;Initial Catalog=Company;Integrated Security=True");
protected void
Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Bind();
}
}
protected void
Button1_Click(object sender, EventArgs e)
{
SendGridInfo();
}
private void
Bind()
{
con.Open();
SqlCommand cmd = new SqlCommand("select
FirstName, LastName from Employee", con);
SqlDataAdapter da
= new SqlDataAdapter(cmd);
DataSet ds =
new DataSet(); da.Fill(ds); con.Close();
GridView1.DataSource = ds; GridView1.DataBind();
}
private void
SendGridInfo()
{
DataTable dt =
new DataTable();
DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("FirstName",
typeof(String)));
dt.Columns.Add(new
System.Data.DataColumn("LastName",
typeof(String)));
foreach (GridViewRow row
in GridView1.Rows)
{
Label
lblFName = (Label)row.FindControl("lblFName");
Label
lblLName = (Label)row.FindControl("lblLName");
dr =
dt.NewRow(); dr[0] = lblFName.Text; dr[1] = lblLName.Text; dt.Rows.Add(dr);
}
Session["GridData"]
= dt; Response.Redirect("WebForm2.aspx");
}
}
}
Step 4: The complete code of WebForm2.aspx looks as below
<%@
Page Language="C#"
AutoEventWireup="true"
CodeBehind="WebForm2.aspx.cs"
Inherits="BindGridViewswithSessionApp.WebForm2"
%>
<!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
id="Head1"
runat="server">
<title></title>
</head>
<body>
<form id="form1"
runat="server">
<center>
<div>
<table>
<tr>
<td
colspan="2"
align="center">
<asp:GridView
ID="GridView1"
runat="server"
CssClass="grid"
BackColor="LightGoldenrodYellow"
BorderColor="Tan"
BorderWidth="1px"
CellPadding="2"
ForeColor="Black"
GridLines="None">
<AlternatingRowStyle
BackColor="PaleGoldenrod"
/>
<FooterStyle
BackColor="Tan"
/>
<HeaderStyle
BackColor="Tan"
Font-Bold="True"
/>
<PagerStyle
BackColor="PaleGoldenrod"
ForeColor="DarkSlateBlue"
HorizontalAlign="Center"
/>
<SelectedRowStyle
BackColor="DarkSlateBlue"
ForeColor="GhostWhite"
/>
<SortedAscendingCellStyle
BackColor="#FAFAE7"
/>
<SortedAscendingHeaderStyle
BackColor="#DAC09E"
/>
<SortedDescendingCellStyle
BackColor="#E1DB9C"
/>
<SortedDescendingHeaderStyle
BackColor="#C2A47B"
/>
</asp:GridView>
</td>
</tr>
</table>
</div>
</center>
</form>
</body>
</html>
Step 5: The complete code of WebForm2.aspx.cs looks as below
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
namespace
BindGridViewswithSessionApp
{
public partial
class WebForm2 : System.Web.UI.Page
{
protected void
Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Session["GridData"]
!= null)
{
GridView1.DataSource = Session["GridData"];
GridView1.DataBind();
}
}
}
}
}
Step 6: The output for the application are shown below:
![Imgage2.jpg]()
Step 7: Binding gridview of another page output for the application to are
shown below:
![Imgage3.jpg]()