c# - How to convert a string array to a string

String array to string
convert-string-array-to-string.aspx

<%@ Page Language="C#" AutoEventWireup="true"%>    
    
<!DOCTYPE html>    
<script runat="server">  
    protected void Button1_Click(object sender, System.EventArgs e)    
    {  
        string[] stringarray = new string[]  
        {  
            "how",  
            "are",  
            "you"
        };  
  
        Label1.Text = "string array.........<br />";  
        foreach (string s in stringarray)  
        {  
            Label1.Text += s + "<br />";  
        }

        string convertedstring = String.Join("", stringarray);
        Label1.Text += "<br />string array to converted string: " + convertedstring;
    }    
</script>    
    
<html xmlns="http://www.w3.org/1999/xhtml">    
<head id="Head1" runat="server">    
    <title>c# example - string array to string</title>    
</head>    
<body>    
    <form id="form1" runat="server">    
    <div>    
        <h2 style="color:DarkBlue; font-style:italic;">    
            c# example - string array to string
        </h2>    
        <hr width="550" align="left" color="LightBlue" />      
        <asp:Label     
            ID="Label1"     
            runat="server"    
            Font-Size="Large"    
            >    
        </asp:Label>    
        <br /><br />  
        <asp:Button     
            ID="Button1"     
            runat="server"     
            Text="convert string array to string"    
            OnClick="Button1_Click"  
            Height="40"    
            Font-Bold="true"    
            />    
    </div>    
    </form>    
</body>    
</html>
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