How to use Substring using asp.net c#?

Substringmethod allow us to retrieve a substring from a string object. Here this examplecode demonstrate us how can we get a substring from a string in .net framework.

    <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Click Me" />

 

   protected void Button1_Click(object sender, EventArgs e)

    {

       

       string input = "AppleBallCat";

       string sub = input.Substring(0, 5);

       Console.WriteLine("Substring: {0}", sub);

   ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('Substring:" + sub + "');", true);

 

    }

Output: