Send SqlDbType.Xml to Store Procedure

SqlCommand command = new SqlCommand(”ReportMultiTruckGeneric”);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(”@startDate”, SqlDbType.DateTime).Value = ProcessStartDate;
command.Parameters.Add(”@endDate”, SqlDbType.DateTime).Value = ProcessEndDate;

StringBuilder sb = new StringBuilder();

sb.Append(”<Trucks>”);
foreach (DataRow row in trucks.Tables[0].Rows)
{
sb.AppendFormat(”<TruckId>{0}</TruckId>”, row["ID"].ToString());
}
sb.Append(”</Trucks>”);

command.Parameters.Add(”@trucks”, SqlDbType.Xml).Value = sb.ToString();

DataSet queryResult = DBHook.SendSQLSelectRequest(command, out ex);

==store procedure=============
ALTER procedure [dbo].[ReportMultiTruckGeneric]
@startDate datetime,
@endDate datetime,
@trucks xml
as

…
set @trucksCopy = @trucks
…

select Trucks.TruckId.value(’.', ‘int’)
from @trucksCopy.nodes(’Trucks/TruckId’) as Trucks(TruckId)