CodeProject: Passing Data and objects between parent and child web forms. Free source code and programming help

</html>

<head runat="server">

<title>Untitled Page</title>

<script language="javascript" type="text/javascript">

function GetValueFromChild(myVal)

{

document.getElementById('mytxt').value = myVal;

}

function OpenWindow()

{

window.open("chiled.aspx", "newwin", "height=250,width=250,toolbar=no,scrollbars="+scroll+",menubar=no");

}

</script>

</head>


<body>

<form id="form1" runat="server">

<div>

<input id="mytxt" type="text" />

<input type ="button" value="chiled window" onclick="OpenWindow()" />

</div>

</form>

</body>

</html>

Child Page

<html xmlns="http://www.w3.org/1999/xhtml" >

<head runat="server">

<title>Untitled Page</title>

<script language="javascript" type="text/javascript">

function SendValueToParent()

{

var myVal = document.getElementById('mytxt').value;

//window.opener.GetValueFromChild(myVal);

//window.close();

//return false;

window.opener.form1.mytxt.value = myVal;

window.close();

return false;

//window.opener.form1.submit();

}

</script>

</head>

<body>

<form id="form1" runat="server">

<div>

<input id="mytxt" type="text" />

<input id="btn1" type="button" value="Send Value to Parent" onclick="javascript:return SendValueToParent();" />

</div>

</form>

</body>

</html>

passing a DataTable object from Child to parent web form.

Parent Page

<html xmlns="http://www.w3.org/1999/xhtml" >

<head runat="server">

<script type ="text/javascript">

function openchiled()

{

window.open("DataTable.aspx", "newwin", "height=250,width=250,toolbar=no,scrollbars="+scroll+",menubar=no");

return false;

}

</script>

<title>Parent Data Table</title>

</head>

<body>

<form id="form1" runat="server">

<div>

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

</asp:GridView>

<a href="#" onclick="openchiled()" >Open Child dataTable</a>

</div>

</form>

</body>

</html>

Child page

<html xmlns="http://www.w3.org/1999/xhtml" >

<head runat="server">

<title>Untitled Page</title>

</head>

<body>

<form id="form1" runat="server">

<div>

<asp:LinkButton ID="LinkButton1" Text="Send DataTable" runat="server" OnClick="LinkButton1_Click"></asp:LinkButton>

</div>

</form>

</body>

</html>

child C# code

protected void LinkButton1_Click(object sender, EventArgs e)

{

System.Data.DataTable dt = new System.Data.DataTable();

dt.Columns.Add("FName", typeof(System.String));

dt.Columns.Add("LName", typeof(System.String));

System.Data.DataRow DR = dt.NewRow();

DR["FName"] = "First Name";

DR["LName"] = "Last Name";

dt.Rows.Add(DR);

dt.AcceptChanges();

Session["DT"] = dt;

Response.Write("<script type =text/javascript> window.opener.form1.submit(); window.close(); </script>");

}

I hope that you will find it useful

Development to me is a pleasure more than a job

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Mohammad Al Hoss

Member

Occupation:	Software Developer
Company:	CME Offshore
Location:	Lebanon

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Last Updated: 23 Aug 2008
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