private void Form1_Load(object sender, System.EventArgs e)
{
// configure grid
_flex.Cols.Count = 2;
_flex.Cols.Fixed = 0;
_flex.Rows.Count = 1;
C1.Win.C1FlexGrid.CellStyle s = _flex.Styles[C1.Win.C1FlexGrid.CellStyleEnum.Subtotal0];
s.BackColor = _flex.Styles.Normal.BackColor;
s.ForeColor = _flex.Styles.Normal.ForeColor;
// populate grid
_flex[0, 0] = "Type";
_flex[0, 1] = "Item";
_flex.AddItem("Fruit\tApple");
_flex.AddItem("Fruit\tBanana");
_flex.AddItem("Fruit\tOrange");
_flex.AddItem("Fruit\tGrape");
_flex.AddItem("Meat\tSteak");
_flex.AddItem("Meat\tHamburger");
_flex.AddItem("Meat\tRib");
_flex.AddItem("Meat\tPot Roast");
_flex.AddItem("Salad\tGreen");
_flex.AddItem("Salad\tCaesar");
_flex.AddItem("Salad\tGreek");
_flex.AddItem("Salad\tSpinach");
}