Trying To Create A CollapsiblePanel Control?
Dec 3, 2010
I'm trying to create a CollapsiblePanel control, which is essentially just a panel which has a header which can be used to expand / collapse the body. I've got an example of it working on a page (inline) but now what to make it a reusable control that can be used as follows
<cc:CollapsiblePanel runat="server" Header="This is a collapsible panel">
<asp:Label runat="server" Text="This is the contents of the panel" />
</cc:CollapsiblePanel>
So, I want the CollapsiblePanel to render the header, the beginning of the container, then the contents of the container (i.e. the label in this case), and finally the end of container.
I'm unsure how to do this properly. I've seen some examples which override the rendering methods in order to insert controls at the right points, but it seems very hack-y. What is the 'proper' way to do something like this? (.NET 4.0 if that makes a difference)
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Aug 25, 2010
I have a textbox sitting at the bottom of a collapsible panel which has a RequiredFieldValidator sitting underneath that. If a user tries to submit the form without filling in this textbox then the RequiredFieldValidator generates a little "Required" box beneath the textbox. The trouble is that the panel doesn't resize propely and only the top of the validation warning box is visible so the message isn't legible.
I tried adding some margin-bottom to the div that contains the textbox and validator to ensure the space was already there but the moment the validation box appears the collapsible panel automatically resizes so the bottom of the panel meets the bottom of the textbox, ignoring the prior margin. Apart from moving the validation box, does anyone know how I can get the collapsible panel to resize correctly?
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Aug 31, 2010
I have 4 collapsible panels on my page. Now i am using below javascript code for expanding and collapsing all the panels at the same time.
[Code]....
[Code]....
[Code]....
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<form id="form1" runat="server" enctype="multipart/form-data" method="post">
<ajaxToolkit:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
</ajaxToolkit:ToolkitScriptManager>
<div>
<asp:Panel ID="PanelHeader" runat="server">
<asp:Label ID="Label" runat="server" />
</asp:Panel>
<asp:Panel ID="PanelBody" runat="server">
Example
<ajaxToolkit:AsyncFileUpload runat="server" ID="AsyncFileUpload1" UploaderStyle="Modern"
UploadingBackColor="#CCFFFF" />
</asp:Panel>
<ajaxToolkit:CollapsiblePanelExtender ID="CollapsiblePanelExtender1" runat="server"
TargetControlID="PanelBody" CollapseControlID="PanelHeader" ExpandControlID="PanelHeader"
Collapsed="true" TextLabelID="Label" CollapsedText="Open" ExpandedText="Close"
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</div>
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Line: 36
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[Code]....
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[Code]....
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[Code]....
Here is the Codebehind:
[Code]....
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