Get value of TextBox inside DataList on Button Click in ASP.Net

HTML

<asp:DataList ID="DataList1" runat="server">
    <ItemTemplate>
    Name : 
        <asp:TextBox ID="txtName" Text='<%# Eval("Name") %>' runat="server" />
        <br />
        Email : 
        <asp:TextBox ID="txtEmail" runat="server"  Text='<%# Eval("Email") %>'/>
    </ItemTemplate>
</asp:DataList>
<hr />
<asp:Button Text="Save" OnClick="Save" runat="server" />

Namespace

using System.Data;

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        DataTable dt = new DataTable();
        dt.Columns.AddRange(new DataColumn[2]{new DataColumn("Name"),
                                                new DataColumn("Email")});
        dt.Rows.Add("Abc", "Abc@Abc.com");
        dt.Rows.Add("Pqr", "Pqr@Pqr.com");
        this.DataList1.DataSource = dt;
        this.DataList1.DataBind();
    }
}

protected void Save(object sender, EventArgs e)
{
    string name = string.Empty;
    string email = string.Empty;
    // This will Update and insert one by one in Sql. You can Insert or Update as per your requirement
    foreach (DataListItem item in this.DataList1.Items)
    {
        name = (item.FindControl("txtName") as TextBox).Text;
        email = (item.FindControl("txtEmail") as TextBox).Text;
        // For inserting name and email
        this.Insert(name, email);
        // For Updating name and email
        this.Update(name, email);
    }
}

private void Insert(string name, string email)
{
    // Write your code for Insert by passing name and email in the insert query
}

private void Update(string name, string email)
{
    // Write your code for update by passing name and email in the update query 
}