private void Show_Combobox(int iRowIndex, int iColumnIndex)
{
// DESCRIPTION: SHOW THE COMBO BOX IN THE SELECTED CELL OF THE GRID.
// PARAMETERS: iRowIndex - THE ROW ID OF THE GRID.
// iColumnIndex - THE COLUMN ID OF THE GRID.
int x = 0;
int y = 0;
int Width = 0;
int height = 0;
// GET THE ACTIVE CELL'S DIMENTIONS TO BIND THE COMBOBOX WITH IT.
Rectangle rect = default(Rectangle);
rect = grid_Master.GetCellDisplayRectangle(iColumnIndex, iRowIndex, false);
x = rect.X + grid_Master.Left;
y = rect.Y + grid_Master.Top;
Width = rect.Width;
height = rect.Height;
ComboBox1.SetBounds(x, y, Width, height);
ComboBox1.Visible = true;
ComboBox1.Focus();
}