Question

Generate textboxes with:

 public void addTextBox(int number)
    {
        for (int i = 0; i < number; i++)
        {
            string name = "tb_" + (i + 1).ToString("00");
            tb = new TextBox();
            tb.Name = name;
            tb.Location = new Point(x, y);
            tb.Width = 20;
            x += 30;

            this.Controls.Add(tb);  
        }
    }

Manual formed textbox that only accepts numbers:

 private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
    {
        const char Delete = (char)8;
        e.Handled = !Char.IsDigit(e.KeyChar) && e.KeyChar != Delete;
    }

My questions: 1. How do i set to generate texboxes that accepts only numbers?
2. i would like to have only two numbers (from 0 – 99 string pattern = @"^[0-9]{2}?$";). Or is any different way to do this.

Answer 1

is the textBox1_KeyPress the method to handle the validation of the Texbox input?

if so – just before adding the TextBox, add an event refference:

tb.KeyPress += new KeyPressEventHandler(textBox1_KeyPress);

UPD:

another option (this is the dirty way):

    tb.KeyPress += (sender, e)=>{ 
 const char Delete = (char)8;
        e.Handled = !Char.IsDigit(e.KeyChar) && e.KeyChar != Delete;
    };

before the this.Controls.Add(tb);