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Allow only Number to textbox

Posted By:satyapriyanayak       Posted Date: January 16, 2014    Points: 40    Category: Visual Studio    URL: http://www.dotnetspark.com  

In this Code Snippets we will know how to allow only numbers to textbox.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace Number_Character_validate_Csharp
    public partial class Form1 : Form
        public Form1()

        private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
            // Number Validation(only Number allowed)
            if (!System.Text.RegularExpressions.Regex.IsMatch(e.KeyChar.ToString(), "\\d+"))
                e.Handled = true;


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