C# 開発

【C#】DataGridView

2025.02.14 DataGridView：行を削除する

private void Form1_Load(object sender, EventArgs e)
{
    dataGridView1.ColumnCount = 5;
    dataGridView1.RowCount = 5;
}

private void button1_Click(object sender, EventArgs e)
{
    dataGridView1.Rows.Clear();
}

2025.02.14 DataGridView：Visual スタイルを適用しない

private void Form1_Load(object sender, EventArgs e)
{
    dataGridView1.ColumnCount = 5;
    dataGridView1.RowCount = 5;
    dataGridView1.EnableHeadersVisualStyles = false;
}

2025.02.14 DataGridView：カレントセルを未設定にする

private void Form1_Load(object sender, EventArgs e)
{
    dataGridView1.ColumnCount = 5;
    dataGridView1.RowCount = 5;
    dataGridView1.Focus();
}

private void button1_Click(object sender, EventArgs e)
{
    dataGridView1.CurrentCell = null;
}

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