public static string GetTableNameByExpression(this MemberExpression expression, SqlPack sqlPack)
 {
     if (expression != null)
     {
         string tableName = "";
         if (expression.Expression != null)
         {
             tableName = sqlPack.GetTableName((expression.Expression.Type));
         }
         else
         {
             tableName = sqlPack.GetTableName(expression.Member.DeclaringType.UnderlyingSystemType);
         }
         return(tableName);
     }
     return("");
 }
        public static string GetTableNameByExpression(this ParameterExpression expression, SqlPack sqlPack)
        {
            if (expression != null)
            {
                string tableName = "";
                tableName = sqlPack.GetTableName((expression.Type));

                return(tableName);
            }
            return("");
        }