ASP.NET动态按钮？

Question

I can't find solution for my problem. I'm making web shop. I have list of products which i'm taking from database. I'm sending all of them to html with foreach

<% foreach (var product in productList) { %>
            <h1><%= product.Name  %>  &nbsp;

I want to have button "Buy Now" for each of products and after clicking want to have id product property in sender. What would be best way to do that ?

Answer 1

Generate buttons with different IDs & properties that result in the same OnClick method in the code behind.

In the code behind:

// Generate elements for each product  
foreach (var product in productList)  
{  
   Button btn = new Button();  
   btn.CommandArgument = product.ID; // This would be your product ID  
   btn.Text = "Buy Now";  
   btn.Click += Btn_Click;  

   this.Products.Controls.Add(btn);  
}

In the markup:

<div id="Products" runat="server">
</div>

Or either use a WebHandler (.ashx) which acts as an endpoint to retrieve a request and process to return data. Helpful for async as well.