How to increase cell quantity using keyboard up and down arrows ?

I work on windows form desktop application using csharp

I face issue I can't increase quantity or decrease using press on key up or down

on datagridview control

when have quantity 1 value then when press up arrow then will be 2

when have quantity 2 then when press down arrow will be 1

what i try

private void GridTrxInvF_KeyPress(object sender, KeyPressEventArgs e)
{
int currentNumber = Utilities.ObjectConverter.ConvertToInteger(GridTrxInvF.Rows[GridTrxInvF.CurrentCell.RowIndex].Cells["Quantity"].Value);
if (e.KeyChar ==(char) Keys.Down)
{
GridTrxInvF.Rows[GridTrxInvF.CurrentCell.RowIndex].Cells["Quantity"].Value = (currentNumber - 1).ToString();
}
else if (e.KeyChar == (char)Keys.Up)
{
GridTrxInvF.Rows[GridTrxInvF.CurrentCell.RowIndex].Cells["Quantity"].Value = (currentNumber + 1).ToString();
}
}

when press up arrow or down

it moving to quanityt previous row when press down keyboard button

or moving to quantity Next rows when press up keyboard button

so what i do to solve issue please ?

4 Replies

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Rijwan Ansari5y ago
I think you can use textbox with number type in grid edit and hide the border of that textbox.
+2
Satya Karki5y ago
Instead use Textbox for quantity column and put type numeric.
+1
Kiran Mohanty5y ago
Define the input type as "number" and that would solve your issue.
+1
Rajanikant Hawaldar5y ago
when you press up/down arrow cell selection will change and its an default and expected behaviuor, instead of TextBox CellType, try to write new custom CellType using NumaricUpDown control
+1