int GridCtrl_FindColumn(GridCtrl &grid, String &colName) {
	for (int i = 0; i < grid.GetColumnCount(); ++i) {
		if (grid.GetColumnName(i) == colName)
			return i;
	}
	return -1;
}

Vector<Value> ReadCol(GridCtrl& grid, int col, int begin, int end) 
{
	if (begin < 0 || end >= grid.GetRowCount() || col < 0 || col >= grid.GetColumnCount())
		throw Exc(t_("Wrong param. in ReadCol"));
	
	Vector<Value> v;
	
	for(int i = begin; i <= end; i++)
		v.Add(grid(i, col));
	return v;
}

Vector<Vector<Value> > GetGridData(GridCtrl& grid) {
	Vector<Vector<Value> > data;
	
	for (int row = 0; row < grid.GetRowCount()+1; ++row) 
		data.Add(grid.ReadRow(row));
	
	return data;
}
void SetGridData(GridCtrl& grid, Vector<Vector<Value> > &data) {
	grid.Clear(true);
	if (!data.IsEmpty()) { 
		int nrow = data.GetCount();
		int ncol = data[0].GetCount();
		for (int col = 0; col < data[0].GetCount(); ++col) 
			grid.AddColumn(data[0][col]);
		grid.SetRowCount(data.GetCount()-1);
		for (int row = 0; row < grid.GetRowCount(); ++row) 
			for (int col = 0; col < grid.GetColumnCount(); ++col) 
				grid(row, col) = data[row+1][col];
	}
}

template <> void Xmlize(XmlIO xml, GridCtrl& r) {
	Vector<Vector<Value> > data;
	
	if(xml.IsLoading()) {
		xml("data", data);
		SetGridData(r, data);
	} else {
		data = GetGridData(r);
		xml("data", data);
	}
}

DropDate date;
GridCtrl grid;

grid.AddColumn("Date").Edit(date);

int GridCtrl::FindCol(const Id& id) const
{
    for(int i = fixed_cols; i < total_cols; i++)
        if(aliases.GetKey(i) == id)
            return i - fixed_cols;
    return -1;
}

int GridCtrl::FindColWidth(const Id& id)
{
    for(int i = fixed_cols; i < total_cols; i++)
        if(aliases.GetKey(i) == id)
            return hitems[i].Width();

    return -1;
}

GridCtrl::ItemRect& GridCtrl::ItemRect::Hidden(bool b)
{
    hidden = b;
    if(hidden) size = 0;//modify this to avoid alway hidden
    return *this;
}