Assign permission to groups programtically

#region
add signaturefolder

//Buttonimg_Click

protected void Buttonimg_Click(object sender, EventArgs e)



{

SPWeb oWeb1 = SPContext.Current.Web;

SPSecurity.RunWithElevatedPrivileges(delegate()

{

using (SPSite oSite = new SPSite(oWeb1.Site.Url))

{



using (SPWeb oWeb = oSite.OpenWeb())

{

//get the curent folder where search is happening

string siteUrl = Request.Url.ToString();

string region = SPContext.Current.List.Title;

//"Atlantic Region Client Portfolios";

SPDocumentLibrary docLib = (SPDocumentLibrary)oWeb.Lists[region];



foreach (SPFolder subfoldername in docLib.RootFolder.SubFolders)

{

foreach (SPFolder nsub in subfoldername.SubFolders)

{

if ((nsub.Name == foldername) || (nsub.Name == alternateurl) || (nsub.Name == foldernameaftertrim) || (nsub.Name == foldernameaftertrimurl))

{

foreach (SPFolder clientfolder in nsub.SubFolders)

{

string names = clientfolder.Name.ToString();

string name = "1-Annual Review and New Deals";

string folder2 = "2-Credit Correspondence";

String folder3 = "3-Overruns";

string s = clientfolder.Item.Name;

if ((name == names) || (folder2 == names) || (folder3 == names))

{

SPFolder ofolder = null;

oWeb.AllowUnsafeUpdates = true;

ofolder = clientfolder.SubFolders.Add("1-Signatures");

//modified by christine on 11 June 2013

#region
code for adding permission

//clientfolder.SubFolders.Delete("1-Signatures");

SPGroup ngroup = oWeb1.SiteGroups[System.Configuration.ConfigurationSettings.AppSettings["GRMgroup"].ToString()];

SPGroup auditgroup = oWeb1.SiteGroups[System.Configuration.ConfigurationSettings.AppSettings["AuditUsersgroup"].ToString()];



oWeb.AllowUnsafeUpdates = true;

ofolder.Item.BreakRoleInheritance(false);

oWeb.AllowUnsafeUpdates = true;



//Role Assignments and Definition order changed by srikar 13-June-2013

SPRoleAssignment roleAssignmentGRM = new SPRoleAssignment(ngroup);

SPRoleAssignment roleAssignmentaudituserss = new SPRoleAssignment(auditgroup);

SPRoleDefinition roleDefinationAudit = oWeb.RoleDefinitions["Read"];

SPRoleDefinition roleDefinationGRM = oWeb.RoleDefinitions["Contribute"];

roleAssignmentGRM.RoleDefinitionBindings.Add(roleDefinationGRM);

roleAssignmentaudituserss.RoleDefinitionBindings.Add(roleDefinationAudit);

ofolder.Item.RoleAssignments.Add(roleAssignmentGRM);

ofolder.Item.RoleAssignments.Add(roleAssignmentaudituserss);

oWeb.AllowUnsafeUpdates = true;

ofolder.Update();

SPGroupCollection gc = oWeb.SiteGroups;

foreach (SPGroup sgrop in gc)

{

string gname = sgrop.ToString();

string grname = ngroup.ToString();

string aname = auditgroup.ToString();

if ((gname == grname) || (gname == aname))

{





}

else

{

ofolder.Item.RoleAssignments.Remove((SPPrincipal)sgrop);

}

}

#endregion


docLib.Update();



//Page.Response.Redirect(HttpContext.Current.Request.Url.ToString(),true);




}//1st if

}//3rd

Page.Response.Redirect(HttpContext.Current.Request.Url.ToString(),true);

}//2nd

}



}

} //forst for llop

}

});

}

# endregion