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  1. using System;
  2. using System.Collections.Generic;
  3. using System.ComponentModel;
  4. using System.Data;
  5. using System.Drawing;
  6. using System.IO;
  7. using System.Linq;
  8. using System.Text;
  9. using System.Threading.Tasks;
  10. using System.Windows.Forms;
  11.  
  12. namespace DataGridView_SortTest2
  13. {
  14. 	public partial class Form1 : Form
  15. 	{
  16. 		public Form1()
  17. 		{
  18. 			InitializeComponent();
  19. 		}
  20.  
  21. 		private void Form1_Load(object sender, EventArgs e)
  22. 		{
  23. 			// テーブルにデータを追加
  24. 			//タスクテーブルBindingSource.Add("要望", "レベル", "低", "進行中");
  25. 			studyDataSet.studyTable.Rows.Add("数学", 80, "鈴木");
  26. 			studyDataSet.studyTable.Rows.Add("国語", 40, "田中");
  27. 			studyDataSet.studyTable.Rows.Add("社会", 60, "田中");
  28. 			studyDataSet.studyTable.Rows.Add("英語", 70, "鈴木");
  29. 			studyDataSet.studyTable.Rows.Add("数学", 80, "田中");
  30. 			studyDataSet.studyTable.Rows.Add("英語", 90, "田中");
  31. 			studyDataSet.studyTable.Rows.Add("国語", 80, "鈴木");
  32. 			studyDataSet.studyTable.Rows.Add("社会", 60, "鈴木");
  33. 		}
  34.  
  35. 		// ボタン「Sort」を押す
  36. 		private void button1_Click(object sender, EventArgs e)
  37. 		{
  38. 			DataView dv = new DataView(studyDataSet.studyTable);
  39. 			dv.Sort = "教科 ASC";
  40. 			this.dgv.DataSource = dv.ToTable();
  41. 		}
  42.  
  43. 		// ボタン「Save Text」を押す
  44. 		private void button3_Click(object sender, EventArgs e)
  45. 		{
  46. 			SaveTaskData();
  47. 		}
  48.  
  49. 		// 関数：表データを出力する
  50. 		private void SaveTaskData()
  51. 		{
  52. 			// 出力ファイル名
  53. 			string path = "data.txt";
  54. 			// 1行分のデータ
  55. 			string strData = "";
  56.  
  57. 			// 出力設定
  58. 			StreamWriter sw = new StreamWriter(
  59. 				path,
  60. 				false, // 追記ではなく上書き
  61. 				Encoding.Default);
  62.  
  63. 			// 表の一行の値をカンマ区切りで一行の文字列にしていく
  64. 			foreach (studyDataSet.studyTableRow drTask
  65. 				in studyDataSet.studyTable)
  66. 			{
  67. 				strData = drTask.教科 + ","
  68. 						+ drTask.点数 + ","
  69. 						+ drTask.名前 + ",";
  70.  
  71. 				// 一行書き込み
  72. 				sw.WriteLine(strData);
  73. 			}
  74. 			sw.Close();
  75. 		}
  76. 	}
  77. }
  78.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cs(4,14): error CS0234: The type or namespace name `Data' does not exist in the namespace `System'. Are you missing `System.Data' assembly reference?
prog.cs(10,22): error CS0234: The type or namespace name `Forms' does not exist in the namespace `System.Windows'. Are you missing `System.Windows.Forms' assembly reference?
prog.cs(14,31): error CS0246: The type or namespace name `Form' could not be found. Are you missing an assembly reference?
Compilation failed: 3 error(s), 0 warnings
stdout
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Standard output is empty
https://ideone.com/tpFnyp
language:
C# (gmcs 5.20.1)
created:
5 years ago
visibility:
public

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