C# Only allow numbers in dataGridView column

[mvrb]

Hello all, i have been searching for a while and found some codes, but they did not work. I am looking for a code that doesnt allow letters to be entered in a dataGridView column.
I tried this code:

private void fra1DataGridViewTextBoxColumn_KeyPress(object sender, KeyPressEventArgs e)
{
if (!char.IsDigit(e.KeyChar) && e.KeyChar != (char)Keys.Back)
e.Handled = true;
}

But it didnt work. Can anyone help me?

[arnaudk]

You might have more luck on the .NET forum.

[vanc]

Hello all, i have been searching for a while and found some codes, but they did not work. I am looking for a code that doesnt allow letters to be entered in a dataGridView column.
I tried this code:

private void fra1DataGridViewTextBoxColumn_KeyPress(object sender, KeyPressEventArgs e)
{
if (!char.IsDigit(e.KeyChar) && e.KeyChar != (char)Keys.Back)
e.Handled = true;
}

But it didnt work. Can anyone help me?

What do you mean "it doesn't work"? The point is how you want it to be and what was the results? Have a look at below dummy code and tell if it's not what you want.

//This is for a Cell not a whole column
cell_KeyPressHandler(.........)
{
if(e.KeyCode is not letter)
    remove that letter out of the cell.Value
}

You have to know when a key is pressed, that pressed key actually will go into the cell, so you have to remove that value out of the cell if it's not right.

Cheers.