1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169
| using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Text;
namespace System.CSV
{
public class CSV
{
protected StreamWriter writer;
protected FileStream stream;
private string file_path;
private DataSet csvSource;
private const string filename_extension = .csv;
public DataSet Source
{
get { return csvSource; }
}
public string FilePath
{
get { return file_path; }
}
public CSV(DataSet source, string path)
{
csvSource = source;
try
{
stream = File.Create(path + filename_extension);
writer = new StreamWriter(stream, Encoding.Default);
}
catch (UnauthorizedAccessException unauthorized)
{
new UnauthorizedAccessException(You arent authorize to access (if exists) or create this file: + unauthorized.Message);
}
catch (PathTooLongException toolong)
{
new PathTooLongException(The name of the file is too long: + toolong.Message);
}
catch (ArgumentException invalidpath)
{
new ArgumentException(Invalid path for the file: + invalidpath.Message);
}
catch (Exception general)
{
new Exception(An exception ocurred: + general.Message);
}
}
public void Create()
{
StringBuilder content = new StringBuilder();
if (Source != null && (FilePath != null && FilePath.Length > 0))
{
if (Source.Tables.Count == 0)
{
DataTable table = Source.Tables[0];
int qtyColumns = (table.Rows[0] as DataRow).ItemArray.Length;
if (table.Rows.Count > 0)
{
foreach (DataRow currentRow in table.Rows)
{
string chunk = null;
for (int iterator = 0; iterator <= qtyColumns - 1; iterator++)
{
chunk = (string)currentRow[iterator];
if (iterator < qtyColumns - 1 && iterator > 0)
chunk += , ;
}
if (chunk != null)
content.Append(chunk);
}
}
writer.Write(content.ToString());
}
else
{
new Exception(Only one table can be included in a CSV file);
}
}
else
{
new Exception(No source or file path was set);
}
}
}
} |
Partager