Templating Engine to Generate Simple Reports in .NET

<html>
    <head>
         <title>My Report</title>
    </head>
    <body>
        <% foreach (ReportRow r in ReportData) { %>
             <!-- Markup and Code for Report -->
        <% } %>
    </body>
</html>

<viewdata products="IEnumerable[[Product]]"/>
<ul if="products.Any()">
  <li each="var p in products">${p.Name}</li>
</ul>
<else>
  <p>No products available</p>
</else>

<script type="text/html" id="item_tmpl">
  <div id="<%=id%>" class="<%=(i % 2 == 1 ? " even" : "")%>">
    <div class="grid_1 alpha right">
      <img class="righted" src="<%=profile_image_url%>"/>
    </div>
    <div class="grid_6 omega contents">
      <p><b><a href="/<%=from_user%>"><%=from_user%></a>:</b> <%=text%></p>
    </div>
  </div>
</script>

Dear $User.FullName$,
{%set orders=User.GetOrders() /}
Thank you for your order of $orders.Length$ items, We believe you will be very satisfied with the quality of costume pieces included in each. It is this quality that makes our imaginative play apparel so unique.

We created an account for you to track your orders. Here is the login information:
Email: $User.EmailAddress$
Password: $User.Password$

Following is the details of your order (OrderId: $OrderId$):
#   Part ID    Name            Quantity     Price(per unit)       Sub Total
{%set Total=0.0 /}{%foreach orderproduct,i in orders%}{%set Total = Total + orderproduct.Price * orderproduct.Quantity/}
{%rendertemplate orderproducttemplate item=orderproduct/}{$foreach%}
                                                                                               Total: $PadLeft(Format(Total,"$$#.##"),11)$

If you have any concern, please call us at 913-555-0115.

Sincerely,

$CompanyName$

{%template orderproducttemplate%}$PadLeft(i,4)$$PadLeft(item.PartId, 7)$    $PadRight(item.ProductName, 15)$        $PadRight(item.Quantity, 5)$        $PadLeft(Format(item.Price,"$$#.##"), 7)$   $PadLeft(Format(item.Price*item.Quantity,"$$#.##"), 12)${$template%}

Dear John Borders,

Thank you for your order of 3 items, We believe you will be very satisfied with the quality of costume pieces included in each. It is this quality that makes our imaginative play apparel so unique.

We created an account for you to track your orders. Here is the login information:
Email: [email protected]
Password: 123abc

Following is the details of your order (OrderId: 1625DGHJ):
#   Part ID    Name            Quantity     Price(per unit)       Sub Total

   0   1239    Product A              3            $104.09        $312.27
   1     22    Product B              1            $134.09        $134.09
   2    167    Product C              5              $14.7          $73.5

                                               Total:     $519.86

If you have any concern, please call us at 913-555-0115.

Sincerely,

My Company Name

class OrderProduct
        {
            private int _partId;
            private string _productName;
            private int _quantity;
            private float _price;

            public int PartId
            {
                get { return _partId; }
                set { _partId = value; }
            }

            public string ProductName
            {
                get { return _productName; }
                set { _productName = value; }
            }

            public int Quantity
            {
                get { return _quantity; }
                set { _quantity = value; }
            }

            public float Price
            {
                get { return _price; }
                set { _price = value; }
            }
        }

        class User
        {
            private string _fullName;
            private string _emailAddress;
            private string _password;

            public string FullName
            {
                get { return _fullName; }
                set { _fullName = value; }
            }

            public string EmailAddress
            {
                get { return _emailAddress; }
                set { _emailAddress = value; }
            }

            public string Password
            {
                get { return _password; }
                set { _password = value; }
            }

            public OrderProduct[] GetOrders()
            {
                OrderProduct[] ops = new OrderProduct[3];

                ops[0] = new OrderProduct();
                ops[0].PartId = 1239;
                ops[0].Price = 104.09f;
                ops[0].ProductName = "Product A";
                ops[0].Quantity = 3;

                ops[1] = new OrderProduct();
                ops[1].PartId = 22;
                ops[1].Price = 134.09f;
                ops[1].ProductName = "Product B";
                ops[1].Quantity = 1;

                ops[2] = new OrderProduct();
                ops[2].PartId = 167;
                ops[2].Price = 14.7f;
                ops[2].ProductName = "Product C";
                ops[2].Quantity = 5;

                return ops;
            }
        }

        private void btnRun_Click(object sender, EventArgs e)
        {
            try
            {
                dt.LoadFromString(txtSource.Text);
                dt.SetValue("CompanyName", "My Company Name");

                User u = new User();
                u.EmailAddress = "[email protected]";
                u.FullName = "John Borders";
                u.Password = "123abc";
                dt.SetValue("User", u);
                dt.SetValue("OrderId", "1625DGHJ");

                txtOutput.Text = dt.Run();
            }
            catch (Exception exc)
            {
                MessageBox.Show("An error occurred: " + exc.Message);
            }
        }