c# - RadToolTip's RenderControl method -

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c# - RadToolTip's RenderControl method -

i have asp.net application uses web part framework allow users customise interface. 1 of features of catalog of available web parts, 1 provided default, can overriden if wish alter layout, etc.

override void rendercatalogpart(htmltextwriter writer, catalogpart catalogpart)

that, far can tell, way it. @ moment i'm creating panel necessary elements in it, , using panel's rendercontrol method output htmlwriter. far, good. problem occurs when seek add together radtooltip panel, using same rendercontrol method, , next runtime error:

page cannot null. please ensure operation beingness performed in context of asp.net request.

i can see why might problem, since tooltip presumably uses javascript , has write page - rendercatalogpart method has no knowledge of page it's going outputting to. there way around or going have come alternative?

i've posted on telerik website though i'd inquire here incase has ideas.

thanks.

the telerik asp.net controls require ms ajax scriptmanager control. suppose that's why want access page - reference scriptmanager. seek setting tooltip's registerwithscriptmanager property false , see if command renders then.

c# asp.net telerik web-parts

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