SQLServer export data insert statement

SET NOCOUNT ON
--Table name and query conditions
DECLARE @TABLENAME VARCHAR(64),@C VARCHAR(512)
SET @TABLENAME='BA_ROLEAUTHORITY'
SET @C='WHERE 1=1'
--Define variables for field names, types, and lengths, and get cursors for table structures
declare @name varchar(64),@type varchar(16),@len varchar(6)
declare tbCur cursor
	for select COLUMN_NAME ,DATA_TYPE,CHARACTER_OCTET_LENGTH from INFORMATION_SCHEMA.COLUMNS
	where table_name=@TABLENAME
--Define the variable for the insert statement
declare @rows nvarchar(512),@EXE_SQL nvarchar(2048),@sqlrow nvarchar(2048)
set @rows=''
set @EXE_SQL=''
-- get table structure,
open tbCur
fetch next from tbCur into @name,@type,@len
while @@FETCH_STATUS=0
begin
 set @rows=@rows+@name+','
 IF @type = 'varchar' or @type='char' or @type ='datetime' or @type='nvarchar' or @type ='nchar'
	BEGIN
		set @EXE_SQL=@EXE_SQL+ 'ISNULL(''N''''''+'+@name+'+'''''''',''NULL'')'+'+'',''+'
	END
 ELSE
	BEGIN
		set @EXE_SQL=@EXE_SQL+ 'ISNULL(CONVERT(VARCHAR(12),'+@name+'),''NULL'')'+'+'',''+'
	END
 fetch next from tbCur into @name,@type,@len
end
set @rows=SUBSTRING(@rows,1,len(@rows)-1)
set @EXE_SQL=SUBSTRING(@EXE_SQL,1,len(@EXE_SQL)-5)
close tbCur
deallocate tbCur

--EXEC('select '+@EXE_SQL+' from '+@TABLENAME +' '+@C)
--create temporary table
exec('select '+@EXE_SQL+' AS R into ##temp from '+@TABLENAME +' '+@C)
--Define the cursor to fetch data
declare tb_cur cursor
	for select * from ##temp
open tb_cur
fetch next from tb_cur into @sqlrow
while(@@FETCH_STATUS=0)
	begin
		print 'INSERT INTO '+@TABLENAME+'('+@rows+') VALUES('+@sqlrow+')'
		fetch next from tb_cur into @sqlrow
	end
close tb_cur
deallocate tb_cur
exec('drop table ##temp')