convert sql query to vb.net

Question

I have sql query for find missing dates and would like to use in VB.NET , can some help convert query to vb.net and populate missing date in datagrid.

DECLARE  @MaxDate DATE, 
         @MinDate DATE, 
         @iDate  DATE 
-- SQL Server table variable 
DECLARE  @DateSequence TABLE( 
                          DATE DATE 
                          ) 
SELECT @MaxDate = Convert(DATE,Max(DateIn)), 
       @MinDate = Convert(DATE,Min(DateIn)) 
FROM   [Attn]

SET @iDate = @MinDate 

WHILE (@iDate <= @MaxDate) 
  BEGIN 
    INSERT @DateSequence
    SELECT @iDate 

    SET @iDate = Convert(DATE,Dateadd(DAY,1,@iDate)) 
  END 

SELECT Gaps = DATE 
FROM   @DateSequence
EXCEPT 
SELECT DISTINCT Convert(DATE,DateIn) 
FROM   [Attn]
GO 

Answer 1

Yes, table on SQL server
table: Attn
Field: DataIn type date

Answer 2

Date in sql table field

01/08/2021
04/08/2021
06/08/2021
07/08/2021

missing dates need to inset in another table

02/08/2021
03/08/2021
05/08/2021