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string fullpath = E:\µçÄÔͼ±ê\BMPͼÀý\BestBMP48X48\2.bmp;//Îļþ·¾¶
FileStream fs = new FileStream(fullpath, FileMode.Open, FileAccess.Read);
byte[] imagebytes = new byte[fs.Length];
BinaryReader br = new BinaryReader(fs);
imagebytes = br.ReadBytes(Convert.ToInt32(fs.Length));
fs.Close();
//´ò¿ªÊýËù
OleDbConnection con1 = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + "¾­·Ñ·ÖÎöÊý¾Ý¿â.mdb" + ";Persist Security Info=False");
con1.Open();
OleDbCommand cmd = con1.Crea


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