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Error occured when adding row in datagrid view

sooraj pr

I want to add a new rows in datagridview when cell leave event occurs.It shows error like Operation can not be performed in this event handler...

my code is here

if (e.ColumnIndex == 2)
{
if (dgvItm.Rows[e.RowIndex].Cells[e.ColumnIndex].Value != null)
{
dgvItm.Rows.Add();

dgvItm.Rows[dgvItm.Rows.Count].Cells[0].Value = dgvItm.Rows.Count;

}

2 Replies

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Suthish Nair15y ago
If the query got resolved, then mark the post that helped you as Answer so will be helpful for others. Otherwise if you got the solution please share with us.
Vulpes15y ago
You're not allowed to add rows to the DGV in the CellLeave eventhandler and also when handling certain other events - see here (http://msdn.microsoft.com/en-us/library/x0akdhcd.aspx) for a full list.

You'll therefore need to carry out this operation somewhere else.