This tip demonstrates-
How to Populate SharePoint PeopleEditor Control .
How to get selected user from SharePoint PeopleEditor Control .

In .aspx file

<SharePoint:PeopleEditor ID="user" runat="server" SelectionSet="User" AllowEmpty="false" Enabled="false" MultiSelect="false" ValidatorEnabled="false" />

*Here MultiSelect property is set to false which allow only single user selection.

In .cs file

Method for populating SharePoint:PeopleEditor control with logged in User Name.

private void PopulatePeopleEditor()

{

PickerEntity entity;

SPSite site;

SPWeb web;

 

try

{

using (site = new SPSite(SPContext.Current.Web.Url))

{

using (web = site.OpenWeb())

{

entity = new PickerEntity();

entity.Key = web.CurrentUser.ID;

//Setting users display name as display text.

entity.DisplayText = web.CurrentUser.Name;

entity.IsResolved = true;

user.Entities.Add(entity);

}

}



}

catch { }

}

 

Method for getting the selected user from the SharePoint:PeopleEditor control .



private void GetSelectedUser()

{

string userId = string.Empty;

 

PickerEntity selectedEntity;

SPSitesite;

SPWeb web;

SPUser selectedUser;

 

try

{

using (site = new SPSite(SPContext.Current.Web.Url))

{

using (web = site.OpenWeb())

{

if (user.ResolvedEntities.Count > 0)

{

selectedEntity = (PickerEntity)user.ResolvedEntities[0];

userId = selectedEntity.Key;

}

if(!string.IsNullOrEmpty(userId))

selectedUser = web.SiteUsers.GetByID(Convert.ToInt32(userId ));

}

}



}

catch { }

}