Read file contents into a string variable

CSharpReadFile

MailDefinition md = new MailDefinition();
md.From = "test@domain.com";
md.IsBodyHtml = true;
md.Subject = "Test of MailDefinition";

ListDictionary replacements = new ListDictionary();
replacements.Add("<%Name%>", "Martin");
replacements.Add("<%Country%>", "Denmark");

string body = String.Empty;

using (StreamReader sr = new StreamReader(@"C:\Path\To\File.txt"))
{
    body = sr.ReadToEnd();
}

MailMessage msg = md.CreateMailMessage("you@anywhere.com", replacements, body, new System.Web.UI.Control());