Не работает Filter в BindingSource

organizationBindingSource.DataSource = db.Organization;
            organizationBindingSource.Filter = String.Format("Org_Id = {0}", ido);

organizationBindingSource.DataSource = db.Organization;
            organizationBindingSource.Filter = "Org_Id = " + ido;

FbConnectionStringBuilder cb = new FbConnectionStringBuilder();
cb.Database = @".\DB\EMPLOYEE.FDB";
cb.ServerType = FbServerType.Embedded;
cb.ClientLibrary = @".\lib\fbembed.dll";
cb.UserID = "SYSDBA";
cb.Password = "masterkey";
 
FbConnection fconn = new FbConnection(cb.ToString{});
FbDataAdapter fa = new FbDataAdapter("SELECT * FROM employee", fconn);
BindingSource bs = new BindingSource();
DataSet ds = new DataSet();
fa.Fill(ds);
bs.DataSource = ds.Tables[0];
DataGridView1.DataSource = bs;
 
bs.Filter = "LAST_NAME = 'Young'";
//bs.Filter = "DEPT_NO = 621";

this.org_NameTextBox.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.organizationBindingSource, "Org_Name", true));
 this.organizationBindingSource.DataSource = typeof(ElmiraNew.Organization);
            this.organizationBindingSource.Filter = "";

private DataClassesVIGDataContext db = new DataClassesVIGDataContext();
        public long ido;        
 
 private void Find_Click(object sender, EventArgs e)
        {
                Table<Telephones> Temp = db.GetTable<Telephones>();
                if (Temp.Any(phone => phone.Tel_Num == System.Convert.ToDecimal(this.STel_Num.Text)))
                {
                    ido = (from t in db.Telephones
                           where t.Tel_Num == System.Convert.ToDecimal(this.STel_Num.Text)
                           select t.Org_Id).First();
                    organizationBindingSource.DataSource = db.Organization;
                    organizationBindingSource.Filter = "Org_Id = " + ido;
                    telephonesBindingSource.DataSource = organizationBindingSource;
                    telephonesBindingSource.DataMember = "Telephones";
                    Rubricator_bindingSource.DataSource = db.Rubricator;
                    Managers_bindingSource.DataSource = db.Managers;
                    publication_bindingSource.DataSource = db.Publication;
                    type_bindingSource.DataSource = db.PublicType;
                }
        }

organizationBindingSource.DataSource = db.Organization.Where(p => p.Org_Id == ido);