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Restrict User to write any digit words in Textbox

Posted By:Ravi Ranjan Kumar       Posted Date: June 29, 2011    Points: 40    Category: Validations    URL: http://www.dotnetspark.com  

This Code Snippets enable you to learn how to restrict user to type any digit words in TextBox

Take a textbox control on your Form and after that at at keypress event of textbox we can write given code to restrict user to write any single digit word 
 private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
            // Restrict user to Enter Digit in texbox 
            if (char.IsDigit(e.KeyChar))
                e.Handled = true;
Alternative way

if ((e.KeyChar >= '0' && e.KeyChar <= '9'))
                e.Handled = true;


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