private void RefreshGrid() { UserMaster oUserMaster = new UserMaster(); UserDTO[] oUserData = oUserMaster.GetUsers(); if (oUserData != null) { if (oUserData.Length > 0) { dgUsers.DataSource = oUserData; dgUsers.DataBind(); } } else { dgUsers.DataSource = null; dgUsers.DataBind(); } txtUserName.Text = ""; oUserData = null; oUserMaster = null; }