Add User To SharePoint Group Programmatically with STSADM and C#

Apart from SharePoint User Interface, We can programmatically add users to SharePoint group or site in these ways:

  • Using STSADM command-line tool to add users 
  • Add users to Sharepoint site/group using C# Object Model

1. Using STSADM command-line tool to add users:

To add users to the SharePoint site, we can use stsadm classic command line tool.  bulk users to add from a CSV file:

  • Add user to a SharePoint group:
    stsadm -o adduser -url “” -userlogin crescent\UserName -useremail -group “Marketing Members” -username “User Name”
  • To Add a User directly user under “Site Permissions”
    stsadm -o adduser -url “” -userlogin crescent\UserName -useremail -role “Full Control” -username “User Name”
  • To Add a user as Site collection Administrator:
    stsadm -o adduser -url “” -userlogin crescent\UserName -useremail -group “Marketing Owners” -username “User Name” -siteadmin

Stsadm -o Adduser operation Technet reference:

2. Add Users to SharePoint Programmatically using C# :

Adding users to SharePoint site programmatically: Here is how we can add users to SharePoint site With .Net Object Model C# Code. (This works both in SharePoint 2007 and SharePoint 2010)

using(SPSite site=new SPSite(""))
	using (SPWeb web = site.RootWeb)
		string GroupName="SharePoint Members";
		SPGroup group = web.Groups[GroupName];

		//To Get the Default Members group
		//SPGroup group = web.SiteGroups.Web.AssociatedMemberGroup;

		SPUser user = web.EnsureUser("Crescent\\Salaudeen");

Salaudeen Rajack

Salaudeen Rajack - SharePoint Expert with Two decades of SharePoint Experience. Love to Share my knowledge and experience with the SharePoint community, through real-time articles!

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