Selecting the value in child form and sending it to parent form

Contributed by Sushila Bowalekar
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July 21, 2002

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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><A 
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.EventArgs) Handles 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