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ASP.NET CODE

Selecting the value in child form and sending it to parent form
By: Sushila Bowalekar
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    2002-07-21

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    The Code below has : - main.aspx page which has a textbox and a link to select the catergoryname - main2.aspx page has the actual selection criteria of the Categoryname to be selected from dropdownlist - On selection of the data from the dropdown the data should be send back to the main.aspx [bold]Step 1:main.aspx[/bold]

     
    <FORM id=Form1 method=get runat="server"><asp:TextBox id=txtSelect 
    style
    ="Z-INDEX: 101; LEFT: 186px; POSITION: absolute; TOP: 19px" 
    runat="server"></asp:TextBox><
    href
    ="javascript:my_window=window.open         ('main2.aspx?formname=Form1.txtSelect','my_window','width=300,height=300');
    my_window.focus()"
    >Select 
    CategoryName 
    </A></FORM>

    Step 2: main2.aspx

     
    <FORM id=Form1 method=post runat="server"><asp:DropDownList id=DropDownList1 
    style
    ="Z-INDEX: 101; LEFT: 180px; POSITION: absolute; TOP: 66px" runat="server" 
    AutoPostBack="True"></asp:DropDownList><asp:Label id=Label1 
    style
    ="Z-INDEX: 102; LEFT: 16px; POSITION: absolute; TOP: 66px" 
    runat="server">Select Category Name</asp:Label> <asp:Literal id=Literal1 
    runat
    ="server"></asp:Literal></FORM>


    Step 3: main2.aspx.vb

     
    Private Sub DropDownList1_SelectedIndexChanged(ByVal sender As System.Object
    ByVal e As System.EventArgsHandles DropDownList1.SelectedIndexChanged Try Dim 
    strjscript 
    As String "
    <SCRIPT language="" javascript?

    "

    strjscript strjscript "window.opener." HttpContext.Current.Request.QueryString("formname") & ".value = '" DropDownList1.SelectedItem.Text "';window.close();"

    strjscript strjscript "</SCRIPT>
     " 
    Literal1.Text strjscript Catch ex As Exception Response.Write(ex.Message
    End Try End Sub 


    DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware.

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