c# - How to concat two arrays

Array concat
array-concat.aspx

<%@ Page Language="C#" AutoEventWireup="true"%>  
  
<!DOCTYPE html>  
<script runat="server">  
    protected void Button1_Click(object sender, System.EventArgs e)  
    {
        string[] birds = new string[]
        {
            "Manx Shearwater",
            "Andean Flamingo",
            "Chilean Flamingo"
        };

        string[] morebirds = new string[]
        {
            "Roseate Spoonbill",
            "Little Bittern"
        };

        Label1.Text = "birds array.........<br />";
        foreach (string s in birds)
        {
            Label1.Text += s + "<br />";
        }

        Label1.Text += "<br />more birds array.........<br />";
        foreach (string s in morebirds)
        {
            Label1.Text += s + "<br />";
        }
        
        string[] totalbirds =new string[birds.Length + morebirds.Length];
        birds.CopyTo(totalbirds, 0);
        morebirds.CopyTo(totalbirds,birds.Length);

        //another way by linq to concatenate two array
        //var totalbirds = birds.Concat(morebirds);

        Label1.Text += "<br />total birds array [after concatenate] two arrays.........<br />";
        foreach (string s in totalbirds)
        {
            Label1.Text += s + "<br />";
        }
    }  
</script>  
  
<html xmlns="http://www.w3.org/1999/xhtml">  
<head id="Head1" runat="server">  
    <title>c# example - array concat</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <div>  
        <h2 style="color:DarkBlue; font-style:italic;">  
            c# example - array concat
        </h2>  
        <hr width="550" align="left" color="LightBlue" />    
  
        <asp:Label   
            ID="Label1"   
            runat="server"  
            Font-Size="Large"  
            >  
        </asp:Label>  
        <br />
        <asp:Button   
            ID="Button1"   
            runat="server"   
            Text="concatenate two arrays"  
            OnClick="Button1_Click"
            Height="40"  
            Font-Bold="true"  
            />  
    </div>  
    </form>  
</body>  
</html>
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