Add custom styles to SummaryLinkWebPart
Add custom styles to the SummaryLinkWebPart. This technique can also be applied to the TableOfContents WebPart and the Content Query WebPart
TheRoks
When to call EnsureChildControls in custom controls
When to call EnsureChildControls. With reverse enginering EnsureChildControls and CreateChildControls methods of the .NET Framework.
Custom Error/Message Application Pages in SharePoint 2010
Create a custom page that replaces a SharePoint application page. AccessDenied, Confirmation, Error, Login, RequestAccess, Signout, WebDeleted
Invalid postback or callback argument. Event validation is enabled
I wrote web part that uses Repeater control to create some repeating blocks of output. Each of these blocks has Button control in it. When I ran web part under SharePoint I got the following error: Invalid postback or callback argument.