c# - How to write a StringBuilder data to a CSV file

c# example - stringbuilder to csv file
stringbuilder-to-csv-file.aspx

<%@ Page Language="C#" AutoEventWireup="true"%>
<%@ Import Namespace="System.IO" %>
  
<!DOCTYPE html>
  
<script runat="server"> 
    protected void Button1_Click(object sender, System.EventArgs e)  
    {
        StringBuilder stringb = new StringBuilder();

        stringb.Append("Indigo Ivory Khaki LemonChiffon LightCoral LightCyan");

        Label1.Text = stringb.ToString();

        string convertedString = stringb.ToString();
        string result = convertedString.Replace(' ', ',');

        stringb.Replace(stringb.ToString(),result);

        Label1.Text += "<br /><br />stringbuilder to comma separated list............<br />";
        Label1.Text += stringb.ToString();

        string appPath = Request.PhysicalApplicationPath;
        string filePath = appPath + "stringbuilder.csv";

        //stringbuilder to physical csv file
        using (StreamWriter swriter = new StreamWriter(filePath))
        {
            swriter.Write(stringb.ToString());
        }
    }  
</script>  
  
<html xmlns="http://www.w3.org/1999/xhtml">  
<head id="Head1" runat="server">  
    <title>c# example - stringbuilder to csv file</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <div>  
        <h2 style="color:MidnightBlue; font-style:italic;">  
            c# example - stringbuilder to csv file
        </h2>  
        <hr width="550" align="left" color="Gainsboro" />  
        <br />  
        <asp:Label   
            ID="Label1"   
            runat="server"  
            Font-Size="Large"  
            >  
        </asp:Label>  
        <br /><br />
        <asp:Button   
            ID="Button1"   
            runat="server"   
            Text="stringbuilder to csv file"  
            OnClick="Button1_Click"
            Height="40"  
            Font-Bold="true"  
            />  
    </div>  
    </form>  
</body>  
</html>
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