public void UpdateSysRoleSysUser(string roleId, string[] userIds) { using (AppsDBEntities db = new AppsDBEntities()) { db.P_Sys_DeleteSysRoleSysUserByRoleId(roleId); foreach (string userid in userIds) { if (!string.IsNullOrWhiteSpace(userid)) { db.P_Sys_UpdateSysRoleSysUser(roleId, userid); } } db.SaveChanges(); } }