C# Have text box only accept Numbers and Paste

I would like to make a text box in C# only accept numbers, backspace and pasted numbers here is the code i have used attached.   it handles backspace and numbers only but i am having a hard time getting it to accept paste.  Can anyone help on this?
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
            //if (!Char.IsDigit(e.KeyChar)||!Char.IsControl(e.KeyChar))
            if ((!Char.IsDigit(e.KeyChar)) && (e.KeyChar != Convert.ToChar(Keys.Back)))
                e.Handled = true;

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Andrew BassProject ManagerAsked:
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Have you considered using a MaskedTextBox?  This may be better suited to what you are doing.

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Andrew BassProject ManagerAuthor Commented:
I can not believe I have ignored the obvious.  Thanks For the quick response
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