SharePoint user tasks
You can use the SharePoint .NET Framework CSOM to manage SharePoint users, groups, and user security.
Add a user to a SharePoint group
This example adds a user and some user information to a SharePoint group named Members.
// Starting with ClientContext, the constructor requires a URL to the
// server running SharePoint.
ClientContext context = new ClientContext("http://SiteUrl");
GroupCollection siteGroups = context.Web.SiteGroups;
// Assume that there is a "Members" group, and the ID=5.
Group membersGroup = siteGroups.GetById(5);
// Let's set up the new user info.
UserCreationInformation userCreationInfo = new UserCreationInformation();
userCreationInfo.Email = "user@domain.com";
userCreationInfo.LoginName = "domain\\user";
userCreationInfo.Title = "Mr User";
// Let's add the user to the group.
User newUser = membersGroup.Users.Add(userCreationInfo);
context.ExecuteQuery();
Retrieve all users in a SharePoint group
This example retrieves information about all users from a SharePoint group named Members.
// Starting with ClientContext, the constructor requires a URL to the
// server running SharePoint.
ClientContext context = new ClientContext("http://SiteUrl");
GroupCollection siteGroups = context.Web.SiteGroups;
// Assume that there is a "Members" group, and the ID=5.
Group membersGroup = siteGroups.GetById(5);
context.Load(membersGroup.Users);
context.ExecuteQuery();
foreach (User member in membersGroup.Users)
{
// We have all the user info. For example, Title.
label1.Text = label1.Text + ", " + member.Title;
}
Create a role
This example creates a role that has create and manage alerts permissions.
// Starting with ClientContext, the constructor requires a URL to the
// server running SharePoint.
ClientContext context = new ClientContext("http://SiteUrl");
BasePermissions perm = new BasePermissions();
perm.Set(PermissionKind.CreateAlerts);
perm.Set(PermissionKind.ManageAlerts);
RoleDefinitionCreationInformation creationInfo = new RoleDefinitionCreationInformation();
creationInfo.BasePermissions = perm;
creationInfo.Description = "A role with create and manage alerts permission";
creationInfo.Name = "Alert Manager Role";
creationInfo.Order = 0;
RoleDefinition rd = context.Web.RoleDefinitions.Add(creationInfo);
context.ExecuteQuery();
Add a user to a role
This example adds a user to a role.
// Starting with ClientContext, the constructor requires a URL to the
// server running SharePoint.
ClientContext context = new ClientContext("http://SiteUrl");
// Assume that we have a SiteUser with Login user.
Principal user = context.Web.SiteUsers.GetByLoginName(@"domain\user");
// Assume that we have a RoleDefinition named "Read".
RoleDefinition readDef = context.Web.RoleDefinitions.GetByName("Read"); RoleDefinitionBindingCollection roleDefCollection = new RoleDefinitionBindingCollection(context);
roleDefCollection.Add(readDef);
RoleAssignment newRoleAssignment = context.Web.RoleAssignments.Add(user, roleDefCollection); context.ExecuteQuery();
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