回答編集履歴
1
C#の検証コードを追記
test
CHANGED
@@ -1,3 +1,97 @@
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`DataGridView1.Rows(e.RowIndex).Cells.Item("SEL").Value= "False"`
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では?
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追記
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--
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ものすごい雑な検証コードですが、これでチェックボックスは外れました。
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```C#
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private void Form1_Load(object sender, EventArgs e)
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{
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var gv = new DataGridView()
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{
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Dock = DockStyle.Fill,
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AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill,
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Parent = this
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};
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var cbx = new DataGridViewCheckBoxColumn()
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{
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TrueValue = "True",
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FalseValue = "False"
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};
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var tbx = new DataGridViewTextBoxColumn();
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gv.Columns.AddRange(cbx, tbx);
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gv.Columns[0].HeaderText = "チェックボックス";
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gv.Columns[1].HeaderText = "テキスト";
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gv.CellValueChanged += GvOnCellValueChanged;
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this.Controls.Add(gv);
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this.Controls.Add(new Label() { Name = "Message" });
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}
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private void GvOnCellValueChanged(object sender, DataGridViewCellEventArgs e)
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{
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var gv = (DataGridView)sender;
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if (gv.Rows[e.RowIndex].Cells[0].Value == null)
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return;
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var chkValue = gv.Rows[e.RowIndex].Cells[0].Value.ToString();
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if (chkValue == "True")
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{
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var tbxValue = gv.Rows[e.RowIndex].Cells[1].Value;
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if (tbxValue != null && !string.IsNullOrWhiteSpace(tbxValue.ToString()) && int.Parse(tbxValue.ToString()) <= 10)
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{
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this.Controls.Find("Message", true)[0].Text = "数量が10以下です。";
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gv.Rows[e.RowIndex].Cells[0].Value = "False";
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}
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}
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}
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```
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