private void CreateLegend(int length)
{
Panel firstColumn = new Panel();
Panel secondColumn = new Panel();
LegendHolder.Controls.Add(firstColumn);
LegendHolder.Controls.Add(secondColumn);
for (int i = 0; i < length; i++)
{
Panel cell = new Panel();
Panel colorDiv = new Panel();
colorDiv.CssClass = "colorDiv";
colorDiv.BackColor = PaletteHelper.GetCommonPalletePointColor(i);
LiteralControl text = new LiteralControl(GetPointName(i));
cell.Controls.Add(colorDiv);
cell.Controls.Add(text);
if (i % 2 == 0)
{
firstColumn.Controls.Add(cell);
}
else
{
secondColumn.Controls.Add(cell);
}
}
}