自動將存儲過程轉成C#代碼的過程

一個國外程式員寫的自動將存儲過程轉成C#源碼的存儲過程。我沒有作任何的更改﹐原版貼在這裡﹐希望對有些人能夠有所幫助:

CREATE     PROCEDURE dbo.tools_CS_SPROC_Builder
(
@objName nvarchar(100)
)
AS
/*
___________________________________________________________________
Name:  CS SPROC Builder
Version: 1
Date:  20/06/2004
Author:  Paul McKenzie
Description: Call this stored procedue passing the name of your
  database object that you wish to insert/update
  from .NET (C#) and the code returns code to copy
  and paste into your application.  This version is
  for use with "Microsoft Data Application Block".
Sample:  
  EXEC tools_CS_SPROC_Builder 'InsertSQL'
*/
SET NOCOUNT ON

DECLARE @parameterCount int
DECLARE @errMsg varchar(100)
DECLARE @parameterAt varchar(1)
DECLARE @connName varchar(100)

SET @connName='conn.Connection'
SET @parameterAt=''
 
SELECT
 dbo.sysobjects.name AS ObjName,
 dbo.sysobjects.xtype AS ObjType,
 dbo.syscolumns.name AS ColName,
 dbo.syscolumns.colorder AS ColOrder,
 dbo.syscolumns.length AS ColLen,
 dbo.syscolumns.colstat AS ColKey,
 dbo.systypes.xtype
INTO #t_obj
FROM        
 dbo.syscolumns INNER JOIN
 dbo.sysobjects ON dbo.syscolumns.id = dbo.sysobjects.id INNER JOIN
 dbo.systypes ON dbo.syscolumns.xtype = dbo.systypes.xtype
WHERE    
 (dbo.sysobjects.name = @objName)
 AND
 (dbo.systypes.status <> 1)
ORDER BY
 dbo.sysobjects.name,
 dbo.syscolumns.colorder

SET @parameterCount=(SELECT count(*) FROM #t_obj)

IF(@parameterCount<1) SET @errMsg='No Parameters/Fields found for ' + @objName

IF(@errMsg is null)
 BEGIN
  PRINT 'try'
  PRINT '   {'
  PRINT '   SqlParameter[] paramsToStore = new SqlParameter[' + cast(@parameterCount as varchar) + '];'
  PRINT ''
  
  DECLARE @source_name nvarchar,@source_type varchar,@col_name nvarchar(100),@col_order int,@col_type varchar(20),@col_len int,@col_key int,@col_xtype int,@col_redef varchar(20)
 
  DECLARE cur CURSOR FOR
  SELECT * FROM #t_obj
  OPEN cur
  -- Perform the first fetch.
  FETCH NEXT FROM cur
  INTO @source_name,@source_type,@col_name,@col_order,@col_len,@col_key,@col_xtype
 
  if(@source_type=N'U') SET @parameterAt='@'
  -- Check @@FETCH_STATUS to see if there are any more rows to fetch.
  WHILE @@FETCH_STATUS = 0
  BEGIN
   SET @col_redef=(SELECT
      CASE @col_xtype
    WHEN 34 THEN 'Image'
    WHEN 35 THEN 'Text'
    WHEN 48 THEN 'TinyInt'
    WHEN 52 THEN 'SmallInt'
    WHEN 56 THEN 'Int'
    WHEN 58 THEN 'SmallDateTime'
    WHEN 59 THEN 'Real'
    WHEN 60 THEN 'Money'
    WHEN 61 THEN 'DateTime'
    WHEN 62 THEN 'Float'
    WHEN 99 THEN 'NText'
    WHEN 104 THEN 'Bit'
    WHEN 106 THEN 'Decimal'
    WHEN 122 THEN 'SmallMoney'
    WHEN 127 THEN 'BigInt'
    WHEN 165 THEN 'VarBinary'
    WHEN 167 THEN 'VarChar'
    WHEN 173 THEN 'Binary'
    WHEN 175 THEN 'Char'
    WHEN 231 THEN 'NVarChar'
    WHEN 239 THEN 'NChar'
    ELSE '!MISSING'

      END AS C)
   --Write out the parameter
   PRINT '   paramsToStore[' + cast(@col_order-1 as varchar)
    + '] = new SqlParameter("' + @parameterAt + @col_name
    + '", SqlDbType.' + @col_redef
    + ');'

   --If the type is a string then output the size declaration
   IF(@col_xtype=231)OR(@col_xtype=167)OR(@col_xtype=175)OR(@col_xtype=99)OR(@col_xtype=35)
    BEGIN
    PRINT '   paramsToStore[' + cast(@col_order-1 as varchar)
     + '].Size=' + cast(@col_len as varchar) + ';'
    END
   PRINT '   paramsToStore['+ cast(@col_order-1 as varchar)
    + '].Value =  ;'
      -- This is executed as long as the previous fetch succeeds.
      FETCH NEXT FROM cur
   INTO @source_name,@source_type,@col_name,@col_order,@col_len,@col_key,@col_xtype 
  END
  PRINT ''
  PRINT '   SqlHelper.ExecuteNonQuery(' + @connName + ', CommandType.StoredProcedure,"' + @objName + '", paramsToStore);'
  PRINT '   }'
  PRINT 'catch(Exception excp)'
  PRINT '   {'
  PRINT '   }'
  PRINT 'finally'
  PRINT '   {'
  PRINT '   ' + @connName + '.Dispose();'
  PRINT '   ' + @connName + '.Close();'
  PRINT '   }'  
  CLOSE cur
  DEALLOCATE cur
 END

if(LEN(@errMsg)>0) PRINT @errMsg
DROP TABLE #t_obj
SET NOCOUNT ON

GO