Dynamics CRM Linq Query Error

“The method ‘Count’ is not supported”

My initial query as below, gave me the exception saying “The method ‘Count’ is not supported”

var xrm = newXrmServiceContext(“Xrm”);
var exampleContacts = xrm.ContactSet.Where(c => c.EMailAddress1.EndsWith(“.com”)).ToList();
var count = exampleContacts.Count<Contact>();
if (count > 0)
{
  ContactsGridView.DataSource = exampleContacts;
  ContactsGridView.DataBind();
}

It is due to the reason that by using var, .Net implicitly takes the type of the result and in this case it is

Microsoft.Xrm.Sdk.Linq.Query<ContactxampleContacts;

All I had to do was implicitly cast it to a list by using “ToList()” which helped me in getting the desired result back.

IEnumerable<Contact> exampleContacts = xrm.ContactSet.Where(c => c.EMailAddress1.EndsWith(“.com”)).ToList();
var count = exampleContacts.Count<Contact>();
if (count > 0)
{
  string alert = String.Format(“<SCRIPT LANGUAGE=\”\”JavaScript\”\”>alert(\”Hello this is an Alert {0}\”)</SCRIPT>”, count);
  System.Web.HttpContext.Current.Response.Write(alert); 
  ContactsGridView.DataSource = exampleContacts;
  ContactsGridView.DataBind();
}