HOWTO: Visual C# .NET¿¡¼­ OleDbConnection °³Ã¼¸¦ »ç¿ëÇÏ¿© µ¥ÀÌÅÍ ¸µÅ© ÆÄÀÏ »ç¿ë

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ÀÌ ¹®¼­¿¡¼­´Â OLE DB Universal Data Link(.udl) ÆÄÀÏÀ» »ç¿ëÇÏ¿© ¿¬°á ¹®ÀÚ¿­À» ÁöÁ¤ÇÏ´Â ¹æ¹ýÀ» ¼³¸íÇϸç, ADO.NET OleDbConnection °³Ã¼´Â ÀÌ ¿¬°á ¹®ÀÚ¿­À» »ç¿ëÇÏ¿© µ¥ÀÌÅͺ£À̽º¿Í ¿¬°áÇÕ´Ï´Ù.

OLE DB Universal Data Link(.udl) ÆÄÀÏÀ» »ç¿ëÇϸé OLE DB µ¥ÀÌÅÍ ¿øº»¿¡ ¿¬°áÇÏ´Â µ¥ »ç¿ëµÇ´Â ADO(ActiveX Data Objects) ¿¬°á ¹®ÀÚ¿­À» ½±°Ô ¸¸µé°í È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù. ¿¬°á ¹®ÀÚ¿­ Á¤º¸´Â È®Àå¸íÀÌ .udlÀÎ ÆÄÀÏ¿¡ ƯÁ¤ Çü½ÄÀ¸·Î ÀúÀåµË´Ï´Ù. ADO.NET OleDbConnection °³Ã¼ÀÇ ConnectionString ¼Ó¼º¿¡¼­ .udl ÆÄÀÏÀ» ÂüÁ¶Çϸé ÇØ´ç °³Ã¼°¡ µ¥ÀÌÅͺ£À̽º¿¡ ¿¬°áÇÏ´Â µ¥ »ç¿ëÇÒ ¿¬°á ¹®ÀÚ¿­À» ÁöÁ¤ÇÒ ¼ö ÀÖ½À´Ï´Ù. ¿¬°á ¹®ÀÚ¿­ Á¤º¸°¡ Æ÷ÇԵǾî ÀÖ´Â .udl ÆÄÀÏÀÇ À̸§À» ÁöÁ¤ÇÏ·Á¸é ¿¬°á ¹®ÀÚ¿­ÀÇ File Name ¸Å°³ º¯¼ö¸¦ »ç¿ëÇϽʽÿÀ.

.NET Framework Class Library ¼³¸í¼­ÀÇ "OleDbConnection.ConnectionString Property" ¹®¼­¿¡ ³ª¿Í ÀÖ´Â ´ÙÀ½ Á¤º¸¿¡ ÁÖÀÇÇϽʽÿÀ(ÂüÁ¶ Àý ÂüÁ¶).
Microsoft Data Link(UDL)¸¦ ÂüÁ¶ÇÏ·Á¸é UDL¿¡ ´ëÇÑ ÂüÁ¶¸¦ "File Name = myfile.udl"ÀÇ ÇüÅ·ΠConnectionString¿¡ Ãß°¡ÇÕ´Ï´Ù. ¿¬°á ¹®ÀÚ¿­¿¡ µÑ ÀÌ»óÀÇ UDLÀ» ÁöÁ¤ÇÑ °æ¿ì¿¡´Â ¸¶Áö¸· ¿¬°á¸¸ ·ÎµåµË´Ï´Ù. UDLÀ» ÁöÁ¤Çϰí ÀÌÈÄ¿¡ OleDbConnection °³Ã¼¸¦ È£ÃâÇÏ¿© ConnectionStringÀ» °Ë»öÇϸé ÇØ´ç ConnectionString¿¡´Â UDL ÆÄÀÏÀÇ ³»¿ëÀÌ ¾Æ´Ï¶ó ÇØ´ç ÆÄÀÏ¿¡ ´ëÇÑ ÂüÁ¶°¡ Æ÷ÇԵǾî ÀÖ½À´Ï´Ù. UDLÀ» Æ÷ÇÔÇϰí ÀÖ´Â ¿¬°á ¹®ÀÚ¿­Àº OleDbConnectionÀÌ ½ÃÀÛµÉ ¶§¸¶´Ù ±¸¹® ºÐ¼®µË´Ï´Ù. ±×·¯¸é ¼º´ÉÀÌ ÀúÇ쵃 ¼ö ÀÖÀ¸¹Ç·Î UDLÀ» ÂüÁ¶ÇÏÁö ÇÏÁö ¾Ê´Â ConnectionStringÀ» »ç¿ëÇÏ´Â °ÍÀÌ ÁÁ½À´Ï´Ù.

¿¹Á¦ ºôµå ÀýÂ÷

.udl ÆÄÀÏÀ» »ç¿ëÇÏ¿© ADO.NET OleDbConnection °³Ã¼¿¡ ´ëÇØ ¿¬°á ¹®ÀÚ¿­ Á¤º¸¸¦ ÁöÁ¤ÇÏ´Â Visual C# .NET ÄÜ¼Ö ÀÀ¿ë ÇÁ·Î±×·¥À» ¸¸µé·Á¸é ´ÙÀ½°ú °°ÀÌ ÇϽʽÿÀ.
  1. SQL Server OLE DB Provider¸¦ ÀÌ¿ëÇÏ¿© Microsoft SQL Server µ¥ÀÌÅͺ£À̽º Áß Çϳª¿Í ¿¬°áÇϰí Cµå¶óÀ̺êÀÇ ·çÆ® Æú´õ¿¡ Test.udlÀ̶ó´Â .udl ÆÄÀÏÀ» ¸¸µì´Ï´Ù.

    ¶ÇÇÑ SQL Server µ¥ÀÌÅͺ£À̽º¿¡ ´ëÇÑ »ç¿ë ±ÇÇÑÀÌ ¾ø´Â °æ¿ì Jet 4.0¿ë Microsoft OLE DB Provider¸¦ »ç¿ëÇÏ¿© Microsoft Access 97 ¶Ç´Â 2000 µ¥ÀÌÅͺ£À̽º¿¡ ¿¬°áÇϵµ·Ï .udl ÆÄÀÏÀ» ±¸¼ºÇÒ ¼ö ÀÖ½À´Ï´Ù..udl ÆÄÀÏÀ» ¸¸µå´Â ¹æ¹ý¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº Microsoft ±â¼ú ÀÚ·áÀÇ ´ÙÀ½ ¹®¼­¸¦ ÂüÁ¶ÇϽʽÿÀ.
    189680 HOWTO: Use Data Link Files with ADO
  2. »õ Visual C# .NET ÄÜ¼Ö ÀÀ¿ë ÇÁ·Î±×·¥À» ¿±´Ï´Ù.
  3. Class1 ¸ðµâÀÇ ±âº» Äڵ带 ´ÙÀ½ ÄÚµå·Î ´ëüÇÕ´Ï´Ù.
    using System;
    using System.Data;
    using System.Data.OleDb;
    
    namespace DataLink
    {
        class Class1
        {
            static void Main(string[] args)
            {
                OleDbConnection myConnection = new OleDbConnection("File Name = d:\\test.udl");
    
                try
                {
                    myConnection.Open();
                    if (myConnection.State == ConnectionState.Open)
                        Console.WriteLine("Connection opened successfully!");
                    else
                        Console.WriteLine("Connection could not be established");
                }
                catch(Exception ex)
                {
                    Console.WriteLine(ex.Message.ToString());
                }
                finally
                {
                    myConnection.Close();
                }
                Console.ReadLine();
     
                return;
            }
        }
    }
  4. »ý¼ºÇÑ .udl ÆÄÀÏÀÇ À̸§À̳ª ÀúÀå À§Ä¡°¡ ´Ù¸¥ °æ¿ì OleDbConnection °³Ã¼ÀÇ ConnectionString ¼Ó¼ºÀ» ¼³Á¤ÇÑ ¸í·É¹®¿¡¼­ ÆÄÀÏ °æ·Î¸¦ ÀûÀýÇÏ°Ô ¼öÁ¤ÇÕ´Ï´Ù.
  5. Visual Studio .NET IDE(ÅëÇÕ °³¹ß ȯ°æ)¿¡¼­ ÀÀ¿ë ÇÁ·Î±×·¥À» ½ÇÇàÇÕ´Ï´Ù. ÄÜ¼Ö Ã¢ÀÌ ¿­¸®¸é¼­ "Connection opened successfully!"¶ó´Â ³»¿ëÀÇ ÅØ½ºÆ®°¡ Ç¥½ÃµÇ¾î OleDbConnection °³Ã¼°¡ .udl ÆÄÀÏÀÇ ¿¬°á ¹®ÀÚ¿­ Á¤º¸¸¦ »ç¿ëÇÏ¿© µ¥ÀÌÅͺ£À̽º¿Í ¿¬°áµÉ ¼ö ÀÖÀ½À» ³ªÅ¸³À´Ï´Ù.
  6. Enter ۸¦ ´­·¯ ÄÜ¼Ö Ã¢À» ´Ý°í ÀÀ¿ë ÇÁ·Î±×·¥À» Á¾·áÇÕ´Ï´Ù.

ÂüÁ¶

OleDbConnection.ConnectionString ¼Ó¼º¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº ´ÙÀ½ .NET Framework Class Library ¼³¸í¼­¸¦ ÂüÁ¶ÇϽʽÿÀ.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemDataOleDbOleDbConnectionClassConnectionStringTopic.asp
ÀÚ¼¼ÇÑ ³»¿ëÀº Microsoft ±â¼ú ÀÚ·áÀÇ ´ÙÀ½ ¹®¼­¸¦ ÂüÁ¶ÇϽʽÿÀ.
189680 HOWTO: Use Data Link Files with ADO

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  • Microsoft ADO .NET(.NET Framework¿¡ Æ÷ÇÔ)
  • Microsoft Visual C# .NET 2002 Standard Edition
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