Add data from People Picker control into people/Group column field of a list in Sharepoint Visual Webpart

The below code can be used in visual webpart where in you have a requirement to pick the data from people picker field and add the data to people or group column of any list


 SPFieldUserValueCollection customer = new SPFieldUserValueCollection();
                    foreach (PickerEntity enity in pepPickCustomer.ResolvedEntities)
                    {
                        SPUser user = SPContext.Current.Site.RootWeb.EnsureUser(enity.Key);
                       
customer .Add(new SPFieldUserValue(SPContext.Current.Site.RootWeb, user.ID, user.Name));

                    }

Later to add data to list

item["PeopleGroupColumName"] = customer;


*
pepPickCustomer is the ID of Client people picker control which is a new type of people picker control available Sharepoin 2013.

Add data to People picker field programatically -Sharepoint 2013

I had a requirement where in the visual webpart had a people picker control .I used the client people picker which is a new and betta control in Sharepoint 2013.This control had to be binded with the data coming from a people picker field of some list.Here is the code to achieve it




SPFieldUserValueCollection reviewers = (SPFieldUserValueCollection)Item["PeoplePickerFieldColumnDisplayName"];
List<PickerEntity> reviewersEntity = new List<PickerEntity>();
foreach (SPFieldUserValue spuserval in reviewers){

SPUser userToassign = spuserval.User;
PickerEntity entity = new PickerEntity();
PeopleEditor pe = new PeopleEditor();
entity.EntityData["AccountName"] = spuserval.User.LoginName;
entity.EntityData["SPUserID"] = spuserval.User.ID;
entity.EntityData["Email"] = spuserval.User.Email;
entity.Key = spuserval.User.LoginName;
entity.Description = spuserval.User.LoginName;
entity.DisplayText = spuserval.User.Name;
entity = pe.ValidateEntity(entity);
entity.IsResolved =true;
 reviewersEntity.Add(entity);
}
PeoplePickerControlName.AddEntities(reviewersEntity);



*"item " is a SPListItem type


in ascx file client people picker looks like

<SharePoint:ClientPeoplePicker runat="server" ID="PeoplePickerControlName" Required="true" ValidationEnabled="true"
                        InitialHelpText="text"
                        VisibleSuggestions="3"
                        Rows="1"
                        AllowMultipleEntities="true"
                        CssClass="ms-long ms-spellcheck-true" /> 

Have a look at other post about  people picker of Sharepoint 2010
People Picker -Sharepoint 2010 

Get data from People Picker(ClientPeoplePicker) through code

There is a new control in sharepoint 2013 named ClientPeoplePicker.Which is a very good control loads the user prediction on the client side using a hidden div .


To get the data from this control on the server side use the code below


string a = "";

ArrayList resolve = pepPickcker.ResolvedEntities;
foreach (PickerEntity entity in resolve){
a += entity.Key+";";   //Key will give you the login name you can use other attributes}


*pepPickcker is the control ID