c# - How to append a substring to a string

String append
string-append.aspx

<%@ Page Language="C#" AutoEventWireup="true"%>

<!DOCTYPE html>  
<script runat="server"> 
    protected void Button1_Click(object sender, System.EventArgs e)  
    {
        //this section create a string variable.
        string stringPlants = "Inkberry. Juneberry. Kousa. Kudzu.";
        
        Label1.Text = "string of plants..................<br />";
        Label1.Text += stringPlants;

        //this line append plant 'Laceflower' in string (insert at string last)
        stringPlants = stringPlants.Insert(stringPlants.Length, " Laceflower.");
        
        //another way to append string
        //stringPlants += " Laceflower.";

        Label1.Text += "<br /><br />string after append ' Laceflower.'...........<br />";
        Label1.Text += stringPlants;
    }  
</script>  
  
<html xmlns="http://www.w3.org/1999/xhtml">  
<head id="Head1" runat="server">  
    <title>c# example - string append</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <div>  
        <h2 style="color:MidnightBlue; font-style:italic;">  
            c# example - string append
        </h2>  
        <hr width="550" align="left" color="Gainsboro" />  
        <asp:Label   
            ID="Label1"   
            runat="server"  
            Font-Size="Large"
            >  
        </asp:Label>  
        <br /><br />
        <asp:Button   
            ID="Button1"   
            runat="server"   
            Text="string append"  
            OnClick="Button1_Click"
            Height="40"  
            Font-Bold="true"  
            />  
    </div>  
    </form>  
</body>  
</html>
More c# examples