DECLARE @Id Int                               
SELECT @Id = Id From sysobjects Where Name = 'Daste_Cheqe'
IF not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'NationalCode')
  Alter Table Daste_Cheqe Add NationalCode VARCHAR(15) NULL 

SELECT @Id = Id From sysobjects Where Name = 'Config_check'
IF not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'Top_NationalCode')
  Alter Table Config_check Add Top_NationalCode FLOAT NULL 

SELECT @Id = Id From sysobjects Where Name = 'Config_check'
IF not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'Left_NationalCode')
  Alter Table Config_check Add Left_NationalCode FLOAT NULL 

SELECT @Id = Id From sysobjects Where Name = 'Config_check'
IF not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'With_NationalCode')
  Alter Table Config_check Add With_NationalCode FLOAT NULL 

SELECT @Id = Id From sysobjects Where Name = 'Config_check'
IF not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'Font_NationalCode')
  Alter Table Config_check Add Font_NationalCode NVARCHAR(20) NULL 

SELECT @Id = Id From sysobjects Where Name = 'Config_check'
IF not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'FontSize_NationalCode')
  Alter Table Config_check Add FontSize_NationalCode FLOAT NULL 