How i pass querystring to popup window

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function popwin()
    {
     var nw=window.open("","window","width=200,height=300,scrollbar=yes");

nw.location.href="default3.aspx?id=3" ;
  nw=null;  
      }

Here I use id= 3 as static but

I want to pass id from my gridview datakeyname--where I put datakeyname=id....
in default 3 I reterive as

SqlCommand cmd = new SqlCommand("select * from student where id=@id"  ,con);
cmd.Parameters.AddWithValue("@id", SqlDbType.Int).Value = Request.QueryString["id"];

Posted 19-Aug-10 19:39pm

balongi

Updated 25-Aug-10 22:21pm

Dalek Dave

v2

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Dalek Dave 26-Aug-10 4:21am

Edited for Code Block and Remove BIG tabs (ugly).

3 solutions

Solution 1

Write javascript to find the data you want and pass it through. Your best bet is to emit the SQL you want, using the data you want in each row on the query string.

Posted 19-Aug-10 20:08pm

Christian Graus

Solution 4

u can also do as:
// after giveing datakey name in gridview you can do like:

//in row command:
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
if(e.CommandName == "View")
{
Response.Redirect("Default3.aspx?id=";+e.CommandArgument);
}

// in rowdatabound:

C#

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        try
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
                ((LinkButton)(e.Row.FindControl("view"))).CommandArgument = GridView1.DataKeys[e.Row.RowIndex][0].ToString();
        }
        catch (Exception ex)
        {
        }
    }

Posted 25-Aug-10 22:18pm

balongi

Updated 26-Aug-10 2:41am

v2

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Al-Farooque Shubho · Accepted Answer · 2010-08-19T20:13:00

Here is an example implementation. This binds some sample data in the GridView and each row has a "Detail" link. When clicked, the "Detail" link opens a popup window with the Id as parameter.

Basically, the "onclick" javascript attribute is bound with the javascript method popupwin() with the Id parameter in the
RowDataBound event of the GridView (See CodeBehind code)

The Markup:

XML

<%@ 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 id="Head1" runat="server">
    <title></title>
    <script language="javascript">
        function popwin(id) {
            var nw = window.open("", "window", "width=200,height=300,scrollbar=yes");
            nw.location.href = "default3.aspx?id " + id;
            nw = null;
            return false;
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <div>
            <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
                Width="215px" onrowdatabound="GridView1_RowDataBound">
                <Columns>
                    <asp:BoundField DataField="Name" HeaderText="Name" />
                    <asp:TemplateField ShowHeader="False">
                        <ItemTemplate>
                            <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False"
                                Text="Detail"></asp:LinkButton>
                        </ItemTemplate>
                    </asp:TemplateField>
                </Columns>
            </asp:GridView>
        </div>
    </div>
    </form>
</body>
</html>

The CodeBehind:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;
using System.IO;

public partial class _Default : System.Web.UI.Page
{
    public class Person
    {
        public int Id
        {
            get;
            set;
        }
        public string Name
        {
            get;
            set;
        }
        public Person(int Id, string Name)
        {
            this.Id = Id;
            this.Name = Name;
        }
    }
    //Binding some sample data to the GridView
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            //Populating some dummy data. In reality, you should populate these
            //from the database
            IList items = new ArrayList();

            items.Add(new Person(1, "Peter"));
            items.Add(new Person(2, "John"));
            items.Add(new Person(3, "Shubho"));

            GridView1.DataSource = items;
            GridView1.DataBind();
        }
    }

    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            LinkButton link = e.Row.FindControl("LinkButton1") as LinkButton;
            link.Attributes["onclick"] = "return popwin(" + ((Person)e.Row.DataItem).Id + ")";
        }
    }
}

Hope this will help you implementing your desired functionality.