回答編集履歴
3
見直しキャンペーン中
test
CHANGED
@@ -1,223 +1,112 @@
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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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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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* 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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```x
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```xml
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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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```cs
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using System;
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using System.Collections.Generic;
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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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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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{
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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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MessageBox.Show(e.Message);
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}
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}
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private void FileRead
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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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List<string> list_param = new List<string>();
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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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list_param.Add(csv_array
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list_param.Add(csv_array);
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}
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DataGrid_CSV
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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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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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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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list_param.Add(csv_array);
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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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```
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2
変更点明示
test
CHANGED
@@ -38,7 +38,7 @@
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</Grid.RowDefinitions>
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+
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<DataGrid x:Name="DataGrid_CSV1" AutoGenerateColumns="False">
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@@ -46,11 +46,19 @@
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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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@@ -172,6 +180,8 @@
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{
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//List<string> list_param = new List<string>();
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List<string[]> list_param = new List<string[]>();
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while(!sr.EndOfStream)
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string[] csv_array = line.Split(',');
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//list_param.Add(csv_array[0]);
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list_param.Add(csv_array);
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}
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1
箇条書き
test
CHANGED
@@ -4,9 +4,11 @@
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4
4
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5
5
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6
6
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7
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-
xamlを変える
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7
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+
* xamlを変える(回答コードのDataGrid_CSV1・FileRead1)
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8
|
-
|
8
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+
|
9
|
-
|
9
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+
* 段階を踏まず全部出す(回答コードのDataGrid_CSV2・FileRead2)
|
10
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+
|
11
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+
|
10
12
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11
13
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かでしょうか。
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12
14
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