Change HtmlForm action in C# ASP.NET 3.5

Question

I have a form as

When accessing in C# code-behind via

Answer 1

You can use the Control Adapters of asp.net.

Here is a working example:

public class RewriteFormHtmlTextWriter : HtmlTextWriter
{
    public RewriteFormHtmlTextWriter(HtmlTextWriter writer)
        : base(writer)
    {
        this.InnerWriter = writer.InnerWriter;
    }
    public RewriteFormHtmlTextWriter(System.IO.TextWriter writer)
        : base(writer)
    {
        base.InnerWriter = writer;
    }

    public override void WriteAttribute(string name, string value, bool fEncode)
    {
        if (name == "action")
        {
            value = "Change here your value"            
        }

        base.WriteAttribute(name, value, fEncode);
    }
}

With the above code, and a declare on the App_Browsers with a file called Form.browser

you can change the form. Of course this code called in every form render.

Relative : http://weblogs.asp.net/scottgu/archive/2007/02/26/tip-trick-url-rewriting-with-asp-net.aspx