SharePoint 2010 using Extend Inputformtext extended rich text box upload image feature

In SharePoint development, we sometimes use a control called Rich text box Inputformtextbox, this control is very useful, but there is a place is not very user-friendly, that is, insert the upload image, you can only insert a picture address, but did not select the function of local pictures. Let's look at the original interface.

First, on the page or WebPart, add a rich text box Inputformtextbox control

<sharepoint:inputformtextboxtitle= "" id= "txtcontents" runat= "Server" textmode= "MultiLine"

Rows= "richtext=" "true" allowhyperlink= "true" richtextmode= "fullhtml" width= "98%"/>

After the operation of the effect of the following figure, and click on the small button to insert the picture

This time will show a page to insert the picture.

found that can not directly use the upload of local pictures of the operation, can only insert a server picture link, it is obviously not user-friendly.

This is the main extension of this page, expanded to add the ability to browse local pictures, as shown below: