ASPxSplitter - How to manipulate client-side objects inside a pane with the specified ContentUrl property

This example demonstrates how to manipulate the client-side programmatic objects inside ASPxSplitter's pane with a specified ContentUrl property.

- Get the content IFrame from ASPxSplitter's pane with a specified ContentUrl property viathe ASPxClientSplitterPane.GetContentUrlmethod;
- Get the underlying content window object of this IFrame via the contentWindowproperty;
- Get the required object from this window and manipulate it.

How to set ASPxTextBox.Text inside a pane with a specified ContentUrl property.

ContentPageWithTextbox.aspx:

[ASPx]
<dx:ASPxTextBoxID="tbContent"runat="server"Width="170px"ClientInstanceName="clientTbContent"></dx:ASPxTextBox>

Default.aspx:

[ASPx]
<dx:ASPxSplitterID="splt"runat="server"ClientInstanceName="splitter"><Panes><dx:SplitterPane><ContentCollection><dx:SplitterContentControlID="SplitterContentControl1"runat="server"><dx:ASPxComboBoxID="cmb"runat="server"ClientInstanceName="clientComboBox"><Items>

		   ...

		 </Items><ClientSideEventsSelectedIndexChanged="OnSelectedIndexChanged"/></dx:ASPxComboBox></dx:SplitterContentControl></ContentCollection></dx:SplitterPane><dx:SplitterPaneContentUrl="~/ContentPageWithTextbox.aspx"Name="pnExternalPage"></dx:SplitterPane></Panes></dx:ASPxSplitter>

[JScript]
function OnSelectedIndexChanged(s, e){var contentIFrame = splitter.GetPaneByName("pnExternalPage").GetContentIFrame();var contentIFrameWindow = contentIFrame.contentWindow;var contentTextBox = contentIFrameWindow.clientTbContent;if(contentTextBox)

       contentTextBox.SetText(s.GetText());}

See Also:
E3614: ASPxSplitter - How to return a value from a page specified via SplitterPane.ContentUrl