Updating SharePoint 2010 Web Parts For SharePoint 2013

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Following an upgrade from SharePoint 2010 to 2013 I deployed some custom web parts.  When loading the page I received the error “/_CONTROLTEMPLATES/WEBPARTNAME/VisualWebPart1/VisualWebPart1UserControl.ascx” does not exist.

2013WebPartError1

The error is caused by the web part looking in the \14\TEMPLATE\CONTROLTEMPLATES folder rather than \15\TEMPLATE\CONTROLTEMPLATES.  Open the web part solution in Visual Studio and change the _ascxPath string.  Original value below:

2013WebPartError2

 

Change the string to include the 15 folder.

2013WebPartError3

 

Rebuild and re-deploy the web part.

 

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