public Inventory_ExchangeRateMaster GetExchangeRateByGLDateandCurrency(long Currency_Id, string GLDate)
 {
     try
     {
         if (Currency_Id > 0 && !string.IsNullOrEmpty(GLDate))
         {
             return(mbc.GetExchangeRateByGLDateandCurrency(Currency_Id, GLDate));
         }
         else
         {
             throw new Exception("Id is required and it cannot be null or empty.");
         }
     }
     catch (Exception ex)
     {
         throw ex;
     }
     finally { }
 }