How to Get List Items into Comma Separated in a single string .
Aspx Page:-
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form
id="form1"
runat="server">
<div>
</div>
<asp:Button ID="Button1"
runat="server"
onclick="Button1_Click"
Text="Button"
/>
<br
/>
<br
/>
<br
/>
<asp:Button ID="Button2"
runat="server"
onclick="Button2_Click"
Text="Data Table" />
</form>
</body>
</html>
Aspx.cs Page
using System;
using
System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using
System.Web.UI.WebControls;
using System.Data;
public partial class _Default : System.Web.UI.Page
{
//Global
Variable
List<string> l = new List<string>();
string s = string.Empty;
DataTable
dt = new DataTable();
DataRow
dr;
protected void
Button1_Click(object sender, EventArgs e)
{
//Getting
Comma Seperate String from List Item
for (int
i = 0; i < 9; i++)
{
l.Add(i.ToString());
}
s = string.Join(",",
l.ToArray());
ScriptManager.RegisterClientScriptBlock(this, this.GetType(),
"", "alert('"
+ s + "')", true);
}
protected void
Button2_Click(object sender, EventArgs e)
{
//
Getting Comma Seperate string from table's First column.
dt.Columns.Add("No");
for (int i = 1; i < 10; i++)
{
dr = dt.NewRow();
dr["No"]
= i.ToString();
dt.Rows.Add(dr);
}
s = string.Join(",", ((List<string>)dt.AsEnumerable().Select(x =>
x[0].ToString()).ToList()).ToArray());
ScriptManager.RegisterClientScriptBlock(this, this.GetType(),
"", "alert('"
+ s + "')", true);
}
}
