if (openFileDialog1.ShowDialog() == DialogResult.OK)            {                Filename = openFileDialog1.FileName;                string strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Filename + ";Extended Properties=‘Excel 8.0;IMEX=1‘";                System.Data.OleDb.OleDbConnection Conn = new System.Data.OleDb.OleDbConnection(strCon);                string strCom = "SELECT * FROM [Sheet1$]";                Conn.Open();                System.Data.OleDb.OleDbDataAdapter myCommand = new System.Data.OleDb.OleDbDataAdapter(strCom, Conn);                DataSet ds = new DataSet();                myCommand.Fill(ds, "[Sheet1$]");                temp.DataSource = ds.Tables[0];                Conn.Close();                           }