回答編集履歴
2
net48
test
CHANGED
@@ -18,9 +18,11 @@
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18
18
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保存があれ(ただカンマで繋げるだけ)なら、読み込みも`Split`するだけでいいんじゃないですかね?
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```cs
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+
using System;
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using System.Data;
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using System.IO;
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using System.Text;
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-
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using System.Windows.Forms;
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namespace Q1fyr16mcto59tg
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{
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@@ -39,8 +41,6 @@
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dt.Columns.Add("値段", typeof(int));
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ItemListDataGridView.DataSource = dt;
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-
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Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
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}
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private void CalculateButton_Click(object sender, EventArgs e)
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@@ -134,7 +134,7 @@
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if (0 == dt.Rows.Count) return;
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// 日付を保存
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-
string date = dt.Rows[0].Field<string>("日付")
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string date = dt.Rows[0].Field<string>("日付");
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// 選択行の削除
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foreach (DataGridViewRow r in ItemListDataGridView.SelectedRows)
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@@ -171,7 +171,7 @@
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171
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foreach (string line in File.ReadLines(dlg.FileName, Encoding.GetEncoding("shift_jis")))
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{
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-
string[] array = line.Split(
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string[] array = line.Split(',');
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DataRow row = dt.NewRow();
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row["日付"] = array[0];
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row["商品"] = array[1];
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@@ -199,10 +199,12 @@
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return;
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}
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-
using StreamWriter writer = new StreamWriter(dlg.FileName, false, Encoding.GetEncoding("shift_jis"))
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using (StreamWriter writer = new StreamWriter(dlg.FileName, false, Encoding.GetEncoding("shift_jis")))
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{
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-
foreach (DataRow row in dt.Rows)
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foreach (DataRow row in dt.Rows)
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-
{
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{
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writer.WriteLine(string.Join(",", row.ItemArray));
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writer.WriteLine(string.Join(",", row.ItemArray));
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}
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}
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}
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@@ -212,8 +214,8 @@
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int total = 0;
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foreach (DataRow row in dt.Rows)
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{
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-
int count = row.Field<int>("個数")
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int count = row.Field<int>("個数");
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-
int price = row.Field<int>("値段")
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int price = row.Field<int>("値段");
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graph += new string('■', count) + Environment.NewLine;
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total += price;
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1
不要コード
test
CHANGED
@@ -77,8 +77,6 @@
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77
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else
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{
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dt.Clear();
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-
GraphTextBox.Text = "";
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-
TotalTextBox.Text = "";
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}
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DataRow row = dt.NewRow();
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