Beispiel #1
0
        private static void TestReadFile()
        {
            //create a simple DBF file and output to args[0]
            var odbf = new DbfFile(Encoding.GetEncoding(1252));

            odbf.Open(Path.Combine(TestPath,"TestNew2.dbf"), FileMode.Open); //State_vars1.dbf  county_vars1.dbf

            //if (File.Exists("P:\\Development\\Library\\CS\\DbfLib\\DBFSamples\\filesource.txt"))
            //  File.Delete("P:\\Development\\Library\\CS\\DbfLib\\DBFSamples\\filesource.txt");

            var ofs = new FileStream(Path.Combine(TestPath,"filesource.txt"), FileMode.Create);
            var osw = new StreamWriter(ofs, Encoding.Default);

            //read and print records to screen...
            var orec = new DbfRecord(odbf.Header);

            for (int i = 0; i < odbf.Header.RecordCount; i++)
            {
                if (!odbf.Read(i, orec))
                    break;
                osw.WriteLine("index: " + orec.RecordIndex + ": " + orec);
            }

            /*
              while (odbf.ReadNext(orec))
              {
            osw.WriteLine("index: " + orec.RecordIndex + ": " + orec.ToString());
              }
              */

            osw.Flush();
            osw.Close();
        }
Beispiel #2
0
        private static void TestWriteNewDbf()
        {
            //create a simple DBF file and output to args[0]
            var odbf = new DbfFile(Encoding.GetEncoding(1252));
            odbf.Open(Path.Combine(TestPath,"TestNew2.dbf"), FileMode.Create);

            //create a header
            odbf.Header.AddColumn(new DbfColumn("StrCol", DbfColumn.DbfColumnType.Character, 20, 0));
            odbf.Header.AddColumn(new DbfColumn("DecCol1", DbfColumn.DbfColumnType.Number, 5, 1));
            odbf.Header.AddColumn(new DbfColumn("DecCol2", DbfColumn.DbfColumnType.Number, 5, 2));
            odbf.Header.AddColumn(new DbfColumn("DecCol3", DbfColumn.DbfColumnType.Number, 5, 3));
            odbf.Header.AddColumn(new DbfColumn("DecCol4", DbfColumn.DbfColumnType.Number, 15, 5));
            odbf.Header.AddColumn(new DbfColumn("NumCol1", DbfColumn.DbfColumnType.Number, 5, 0));
            odbf.Header.AddColumn(new DbfColumn("NumCol2", DbfColumn.DbfColumnType.Number, 10, 0));
            odbf.Header.AddColumn(new DbfColumn("DateCol1", DbfColumn.DbfColumnType.Date));
            odbf.Header.AddColumn(new DbfColumn("BoolCol1", DbfColumn.DbfColumnType.Boolean));

            //add some records...
            var orec = new DbfRecord(odbf.Header) {AllowDecimalTruncate = true};
            orec[0] = "Ahmed Test";
            orec[1] = "123.5";
            orec[2] = "12.35";
            orec[3] = "1.235";
            orec[4] = "1235.123456";
            orec[5] = "1235";
            orec[6] = "123567890";
            orec[7] = "11/07/2007";
            orec[8] = "f";
            odbf.Write(orec, true);

            orec[0] = "Stéfanié Singer";
            orec[1] = "-1.5";
            orec[2] = "-1.35";
            orec[3] = "1.235";
            orec[4] = "-1235.123";
            orec[5] = "15";
            orec[6] = "12345"; //put a decimal in integer, we won't throw an exception beacuse we do not test for that.
            orec[7] = "2008-12-21";
            orec[8] = "f";
            odbf.Write(orec, true);

            orec[0] = "Stéfanié Singer longer than fits in the DBF record!";
            orec[1] = "0.1";
            orec[2] = ".12";
            orec[3] = ".1";
            orec[4] = "";
            orec[5] = "-15";
            orec[6] = "-12345"; //put a decimal in integer, we won't throw an exception beacuse we do not test for that.
            orec[7] = "";
            orec[8] = "no";
            odbf.Write(orec);

            //overwrite first record with last record's data...
            orec.RecordIndex = 0;
            odbf.Write(orec);

            //odbf.Header.RecordCount = 50;
            odbf.WriteHeader();

            odbf.Close();

            //open the same DBF file we just output, and append a few records to it...
            odbf.Open(Path.Combine(TestPath,"TestNew2.dbf"), FileMode.Open);

            orec.Clear();
            orec[0] = "New record added!";
            orec[6] = "100";
            orec[8] = "t";
            odbf.Write(orec, true);

            orec[0] = "New record 2";
            orec[6] = "104";
            orec[8] = "y";
            odbf.Write(orec, true);

            orec[0] = "New record 3";
            orec[6] = "104";
            orec[8] = "TRUE";
            odbf.Write(orec, true);

            if (odbf.Read(0, orec))
            {
                orec[0] = "modified first record";
                odbf.Write(orec, true);
            }

            //read 3rd record and output to console...
            Console.WriteLine(odbf.Read(2).ToString());

            //now add a new record, forcing seek to end of file...
            orec.Clear();
            orec[0] = "New record 4";
            orec[6] = "500";
            orec[8] = "FALSE";
            odbf.Write(orec, true);

            odbf.Close();

            Console.ReadKey();
        }