public bool CanMergeCells(GridStyleInfo style1, GridStyleInfo style2)
{
GridStyleInfoIdentity id1 = style1.CellIdentity;
GridStyleInfoIdentity id2 = style2.CellIdentity;
if (id1.RowIndex < 1 || id2.RowIndex < 1)
{
return(false);
}
// if (id1.ColIndex > 0 && id2.ColIndex > 0
// && !CanMergeCells(this[id1.RowIndex, id1.ColIndex-1], this[id2.RowIndex, id2.ColIndex-1]))
// return false;
return(style1.Text != "" && style1.Text == style2.Text);
}
/// <summary>
/// Here you can can compare cells if they meet the criteria for
/// automatic merging. You could also consider neighbouring columns
/// as part of the criteria if necessary.
/// </summary>
/// <param name="style1"></param>
/// <param name="style2"></param>
/// <returns></returns>
protected override void OnQueryCanMergeCells(GridQueryCanMergeCellsEventArgs e)
{
base.OnQueryCanMergeCells(e);
if (!e.Handled)
{
GridStyleInfoIdentity id1 = e.Style1.CellIdentity;
GridStyleInfoIdentity id2 = e.Style2.CellIdentity;
if (id1.ColIndex <= 3)
{
e.Result = CanMergeCells(e.Style1, e.Style2);
e.Handled = true;
}
// for other cells (Col 4 and higher) we just do default handling
}
}
