private void LoadGrid()
{
var protocols = _protocolBL.GetProtocolsBySystemUserExternal(_systemUserId == null ? -1 : _systemUserId.Value);
_protocolsOld = protocols;
grdData.DataSource = protocols;
if (grdData.Rows.Count > 0)
{
grdData.Rows[0].Selected = true;
_protocolId = grdData.Rows[0].Cells["v_ProtocolId"].Value.ToString();
}
}