dataGridView右键菜单并选中该行

最新推荐文章于 2023-08-09 14:59:02 发布

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最新推荐文章于 2023-08-09 14:59:02 发布

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分类专栏： c# winform 文章标签： object listview

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本文介绍如何在DataGridView控件中实现右键菜单，并展示了如何通过代码选中当前行及进行上下移动的操作。适用于需要增强DataGridView交互性的Windows Forms应用程序。

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dataGridView右键菜单并选中该行

程序代码：

private void dataGridView1_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                if (e.RowIndex >= 0)
                {
                    dataGridView1.ClearSelection();
                    dataGridView1.Rows[e.RowIndex].Selected = true;
                    dataGridView1.CurrentCell = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];
                    contextMenuStrip1.Show(MousePosition.X, MousePosition.Y);
                }
            }
        }

去掉带*好的左边的那一列：

把DataGridView 的RowHeadervisible设置成false

private void dataGridView1_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                contextMenuStrip1.Show(MousePosition.X, MousePosition.Y);
            }
        }

//上移
private void btnMoveUp_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < listView1.SelectedItems.Count; i++)
            {
                System.Windows.Forms.ListViewItem listViewItem = this.listView1.SelectedItems[i];
                int index = this.listView1.SelectedItems[i].Index - 1;
                if (index < 0) return;
                this.listView1.Items.Remove(this.listView1.SelectedItems[i]);
                this.listView1.Items.Insert(index, listViewItem);
                listViewItem.Selected = true;
            }
        }
//下移
        private void btnMoveDown_Click(object sender, EventArgs e)
        {
            for (int i = this.listView1.SelectedItems.Count - 1; i > -1; i--)
            {
                System.Windows.Forms.ListViewItem listViewItem = this.listView1.SelectedItems[i];
                int index = this.listView1.SelectedItems[i].Index + 1;
                if (index > this.listView1.Items.Count - 1) return;
                this.listView1.Items.Remove(this.listView1.SelectedItems[i]);
                this.listView1.Items.Insert(index, listViewItem);
                listViewItem.Selected = true;
            }
        }