how to word count in asp.net

Here discuss how to word count some important Logic in c# ? we can use click event and write code easily. 

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        String stringtrim = TextBox1.Text;

        int strringLenth = stringtrim.Length;

        Label1.Text = (strringLenth.ToString());

    }

    protected void Button2_Click(object sender, EventArgs e)

    {

        string stringtrim = TextBox1.Text;

        string[] strtrim = stringtrim.Split(' ');

        int i = strtrim.Length;

        Label1.Text = i.ToString();

    }

    protected void TextBox1_TextChanged(object sender, EventArgs e)

    {

    }

    protected void Button3_Click(object sender, EventArgs e)

    {

        int sum = 0;

        string[] strtrim = TextBox1.Text.Split(' ');

        for (int i = 0; i <= strtrim.Length - 1; i++)

        {

            int j=strtrim[i].Length;

            sum += j;

        }

        String str = TextBox1.Text;

        str.Trim();

        int count = str.Length;

        Label1.Text = sum.ToString();

    }

    protected void Button4_Click(object sender, EventArgs e)

    {

       

    }

}