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how to accept int and double in same textbox?

Valerie Meunier

Hi

To accept only integer in a textbox (windows forms), i use if (int.TryParse(textBox1.Text, out num) == true) with num as int and for double if (double.TryParse(textBox1.Text, out num) == true) with num as double. But how to accept together an integer and a double number in a textbox?

My solution is to use a double, so int or float or double will be accepted, but the price is that a simple integer will take 8 bytes of memory. Is that acceptable for you?

Thanks

1 Reply

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Sachin Singh4y ago
Accepted answer
The reply i gave in your last post was actually for numeric means int/float/decimal etc. so again the answer will be same.
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
    {
        e.Handled = !char.IsDigit(e.KeyChar) && !char.IsControl(e.KeyChar);
    }
But, the best is to use numericupdown
// Create a new numericupdown control
NumericUpDown numbox = new NumericUpDown();
// Some location on the form
numbox.Location = new Point(10, 50);
numbox.Visible = true;
// Append to the form
Controls.Add(numbox);

// Retrieve numeric up down value
decimal value = numericUpDown1.Value;

// Show in an alert
MessageBox.Show(value.ToString());
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