回答編集履歴
3
見直しキャンペーン中
answer
CHANGED
@@ -1,112 +1,112 @@
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1
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リンク記事は配列の配列(ジャグ配列)をDataGridに表示する例ですね(あまり使うことはなさそうですが)
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2
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xamlが記事通りだとすると`List<string>`(list_param)が`List<char[]>`のように扱われてしまいます。
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3
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-
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4
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* xamlを変える(回答コードのDataGrid_CSV1・FileRead1)
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* 段階を踏まず全部出す(回答コードのDataGrid_CSV2・FileRead2)
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かでしょうか。
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```
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10
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<Window
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x:Class="Questions241547.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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Width="800"
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Height="450">
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<Grid>
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<Grid.RowDefinitions>
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<RowDefinition />
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<RowDefinition />
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</Grid.RowDefinitions>
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<DataGrid x:Name="DataGrid_CSV1" AutoGenerateColumns="False">
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<DataGrid.Columns>
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<DataGridTextColumn Binding="{Binding}" Header="Col1" />
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<!--<DataGridTextColumn Binding="{Binding [0]}" Header="Col1" />
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<DataGridTextColumn Binding="{Binding [1]}" Header="Col2" />
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<DataGridTextColumn Binding="{Binding [2]}" Header="Col3" />
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<DataGridTextColumn Binding="{Binding [3]}" Header="Col4" />-->
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</DataGrid.Columns>
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</DataGrid>
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<DataGrid
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x:Name="DataGrid_CSV2"
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Grid.Row="1"
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AutoGenerateColumns="False">
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<DataGrid.Columns>
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<DataGridTextColumn Binding="{Binding [0]}" Header="Col1" />
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<DataGridTextColumn Binding="{Binding [1]}" Header="Col2" />
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<DataGridTextColumn Binding="{Binding [2]}" Header="Col3" />
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<DataGridTextColumn Binding="{Binding [3]}" Header="Col4" />
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</DataGrid.Columns>
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</DataGrid>
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</Grid>
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</Window>
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```
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```
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using System;
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using System.Collections.Generic;
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49
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using System.IO;
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using System.Text;
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using System.Windows;
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-
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namespace Questions241547
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{
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public partial class MainWindow : Window
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{
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public MainWindow()
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{
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InitializeComponent();
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FileRead1(@"test.csv");
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FileRead2(@"test.csv");
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}
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private void FileRead1(string path_read)
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{
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try
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{
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using(var sr = new StreamReader(path_read, Encoding.GetEncoding("shift_jis")))
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{
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List<string> list_param = new List<string>();
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while(!sr.EndOfStream)
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{
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string line = sr.ReadLine();
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string[] csv_array = line.Split(',');
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list_param.Add(csv_array[0]);
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}
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DataGrid_CSV1.ItemsSource = list_param;
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}
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}
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catch(Exception e)
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{
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MessageBox.Show(e.Message);
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}
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}
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private void FileRead2(string path_read)
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{
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try
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{
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using(var sr = new StreamReader(path_read, Encoding.GetEncoding("shift_jis")))
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{
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//List<string> list_param = new List<string>();
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93
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List<string[]> list_param = new List<string[]>();
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while(!sr.EndOfStream)
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{
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string line = sr.ReadLine();
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97
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string[] csv_array = line.Split(',');
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98
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//list_param.Add(csv_array[0]);
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list_param.Add(csv_array);
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100
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}
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DataGrid_CSV2.ItemsSource = list_param;
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}
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}
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catch(Exception e)
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{
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MessageBox.Show(e.Message);
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}
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}
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}
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}
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1
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+
リンク記事は配列の配列(ジャグ配列)をDataGridに表示する例ですね(あまり使うことはなさそうですが)
|
2
|
+
xamlが記事通りだとすると`List<string>`(list_param)が`List<char[]>`のように扱われてしまいます。
|
3
|
+
|
4
|
+
* xamlを変える(回答コードのDataGrid_CSV1・FileRead1)
|
5
|
+
* 段階を踏まず全部出す(回答コードのDataGrid_CSV2・FileRead2)
|
6
|
+
|
7
|
+
かでしょうか。
|
8
|
+
|
9
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+
```xml
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10
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+
<Window
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11
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+
x:Class="Questions241547.MainWindow"
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12
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+
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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13
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+
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
|
14
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+
Width="800"
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15
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+
Height="450">
|
16
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+
<Grid>
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17
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+
<Grid.RowDefinitions>
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18
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+
<RowDefinition />
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19
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+
<RowDefinition />
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20
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+
</Grid.RowDefinitions>
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21
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+
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22
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+
<DataGrid x:Name="DataGrid_CSV1" AutoGenerateColumns="False">
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23
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+
<DataGrid.Columns>
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24
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+
<DataGridTextColumn Binding="{Binding}" Header="Col1" />
|
25
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+
<!--<DataGridTextColumn Binding="{Binding [0]}" Header="Col1" />
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26
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+
<DataGridTextColumn Binding="{Binding [1]}" Header="Col2" />
|
27
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+
<DataGridTextColumn Binding="{Binding [2]}" Header="Col3" />
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28
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<DataGridTextColumn Binding="{Binding [3]}" Header="Col4" />-->
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29
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</DataGrid.Columns>
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30
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+
</DataGrid>
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31
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+
|
32
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+
<DataGrid
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33
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x:Name="DataGrid_CSV2"
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34
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+
Grid.Row="1"
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35
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+
AutoGenerateColumns="False">
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36
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+
<DataGrid.Columns>
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37
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+
<DataGridTextColumn Binding="{Binding [0]}" Header="Col1" />
|
38
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+
<DataGridTextColumn Binding="{Binding [1]}" Header="Col2" />
|
39
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+
<DataGridTextColumn Binding="{Binding [2]}" Header="Col3" />
|
40
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+
<DataGridTextColumn Binding="{Binding [3]}" Header="Col4" />
|
41
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+
</DataGrid.Columns>
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42
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</DataGrid>
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43
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</Grid>
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44
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</Window>
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45
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+
```
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46
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+
```cs
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47
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+
using System;
|
48
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+
using System.Collections.Generic;
|
49
|
+
using System.IO;
|
50
|
+
using System.Text;
|
51
|
+
using System.Windows;
|
52
|
+
|
53
|
+
namespace Questions241547
|
54
|
+
{
|
55
|
+
public partial class MainWindow : Window
|
56
|
+
{
|
57
|
+
public MainWindow()
|
58
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+
{
|
59
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+
InitializeComponent();
|
60
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+
FileRead1(@"test.csv");
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61
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FileRead2(@"test.csv");
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62
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+
}
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63
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+
private void FileRead1(string path_read)
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64
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+
{
|
65
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+
try
|
66
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+
{
|
67
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+
using(var sr = new StreamReader(path_read, Encoding.GetEncoding("shift_jis")))
|
68
|
+
{
|
69
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+
List<string> list_param = new List<string>();
|
70
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+
while(!sr.EndOfStream)
|
71
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+
{
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72
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+
string line = sr.ReadLine();
|
73
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+
string[] csv_array = line.Split(',');
|
74
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+
list_param.Add(csv_array[0]);
|
75
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+
}
|
76
|
+
|
77
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+
DataGrid_CSV1.ItemsSource = list_param;
|
78
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+
}
|
79
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+
}
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80
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+
catch(Exception e)
|
81
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+
{
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82
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+
MessageBox.Show(e.Message);
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83
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+
}
|
84
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+
}
|
85
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+
|
86
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+
private void FileRead2(string path_read)
|
87
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+
{
|
88
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+
try
|
89
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+
{
|
90
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+
using(var sr = new StreamReader(path_read, Encoding.GetEncoding("shift_jis")))
|
91
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+
{
|
92
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+
//List<string> list_param = new List<string>();
|
93
|
+
List<string[]> list_param = new List<string[]>();
|
94
|
+
while(!sr.EndOfStream)
|
95
|
+
{
|
96
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+
string line = sr.ReadLine();
|
97
|
+
string[] csv_array = line.Split(',');
|
98
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+
//list_param.Add(csv_array[0]);
|
99
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+
list_param.Add(csv_array);
|
100
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+
}
|
101
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+
|
102
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+
DataGrid_CSV2.ItemsSource = list_param;
|
103
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+
}
|
104
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+
}
|
105
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+
catch(Exception e)
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106
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+
{
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107
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+
MessageBox.Show(e.Message);
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108
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+
}
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109
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+
}
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110
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+
}
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111
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+
}
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112
112
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```
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2
変更点明示
answer
CHANGED
@@ -18,13 +18,17 @@
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18
18
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<RowDefinition />
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19
19
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<RowDefinition />
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20
20
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</Grid.RowDefinitions>
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21
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-
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21
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+
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22
22
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<DataGrid x:Name="DataGrid_CSV1" AutoGenerateColumns="False">
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23
23
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<DataGrid.Columns>
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24
24
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<DataGridTextColumn Binding="{Binding}" Header="Col1" />
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25
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+
<!--<DataGridTextColumn Binding="{Binding [0]}" Header="Col1" />
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26
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+
<DataGridTextColumn Binding="{Binding [1]}" Header="Col2" />
|
27
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+
<DataGridTextColumn Binding="{Binding [2]}" Header="Col3" />
|
28
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+
<DataGridTextColumn Binding="{Binding [3]}" Header="Col4" />-->
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25
29
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</DataGrid.Columns>
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26
30
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</DataGrid>
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27
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-
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31
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+
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28
32
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<DataGrid
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29
33
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x:Name="DataGrid_CSV2"
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30
34
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Grid.Row="1"
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@@ -85,11 +89,13 @@
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85
89
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{
|
86
90
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using(var sr = new StreamReader(path_read, Encoding.GetEncoding("shift_jis")))
|
87
91
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{
|
92
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+
//List<string> list_param = new List<string>();
|
88
93
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List<string[]> list_param = new List<string[]>();
|
89
94
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while(!sr.EndOfStream)
|
90
95
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{
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91
96
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string line = sr.ReadLine();
|
92
97
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string[] csv_array = line.Split(',');
|
98
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+
//list_param.Add(csv_array[0]);
|
93
99
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list_param.Add(csv_array);
|
94
100
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}
|
95
101
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|
1
箇条書き
answer
CHANGED
@@ -1,8 +1,9 @@
|
|
1
1
|
リンク記事は配列の配列(ジャグ配列)をDataGridに表示する例ですね(あまり使うことはなさそうですが)
|
2
2
|
xamlが記事通りだとすると`List<string>`(list_param)が`List<char[]>`のように扱われてしまいます。
|
3
3
|
|
4
|
-
xamlを変える
|
4
|
+
* xamlを変える(回答コードのDataGrid_CSV1・FileRead1)
|
5
|
-
|
5
|
+
* 段階を踏まず全部出す(回答コードのDataGrid_CSV2・FileRead2)
|
6
|
+
|
6
7
|
かでしょうか。
|
7
8
|
|
8
9
|
```xaml
|