How to create custom button in SharePoint 2010 Ribbon User Interface

In this article we will be seeing how to create a custom button in the SharePoint 2010 Ribbon user interface.

Steps Involved:

I. Open Visual Studio 2010.

ii. Go to File => New =>Project.

iii. Select Empty SharePoint project template from the installed template SharePoint => 2010.

iv. Enter the Name and click OK.

v. Check the option "Deploy as a Sandbox solution".

vi. Click Ok.

vii. Right click on the solution and select "Add a new item".

viii. Select Empty Element template, enter the Name and click Ok.

ix. In the Elements.xml replace the code with the following.
<?xml version="1.0" encoding="utf-8"?><Elements xmlns="http://schemas.microsoft.com/sharepoint/"><CustomAction  Id="Demo_CustomButton"  RegistrationType="List"  RegistrationId="101"  Location="CommandUI.Ribbon">    <CommandUIExtension>
      <CommandUIDefinitions>
        <CommandUIDefinition         Location="Ribbon.Documents.New.Controls._children">          <Button           Id="Ribbon.Documents.New.Controls.Demo_CustomButton"           Alt="Demo_CustomButton"           Sequence="10"           Image32by32="/_layouts/images/PPEOPLE.GIF"           Command="Demo_CustomButton"           LabelText="My Custom Button"           TemplateAlias="o2"/>        </CommandUIDefinition>
      </CommandUIDefinitions>
      <CommandUIHandlers>
        <CommandUIHandler         Command="Demo_CustomButton"         CommandAction="javascript:alert('My custom button!');" />      </CommandUIHandlers>
    </CommandUIExtension>
  </CustomAction> 
</Elements>

x. Go to the SharePoint site where you have deployed your solution.

xi. Go to Shared Documents =>Library Tools => Documents.

xii. You will see My Custom Button in the Ribbon User Interface. 


xiii. Click on the button and you will see an alert message.