DataGridView 双下划线单元格 [英] DataGridView double underline Cell

问题描述

如何在 DataGridView 中的单元格中双下划线与此图像类似?
我想在最后一行显示总计，DataGridView 中的总计单元格应该在单元格底部带有下划线或一些边框

解决方案

你可以处理 DataGridView 的 CellPainting 事件并在指定行的底部绘制双边框 this方式:

void dataGridView1_CellPainting(对象发送者，DataGridViewCellPaintingEventArgs e){if (e.RowIndex == 1 && e.ColumnIndex >= 0){e.Paint(e.CellBounds, e.PaintParts);e.Graphics.DrawLine(Pens.Black, e.CellBounds.Left,e.CellBounds.Bottom - 2, e.CellBounds.Right, e.CellBounds.Bottom - 2);e.Graphics.DrawLine(Pens.Black, e.CellBounds.Left,e.CellBounds.Bottom - 4, e.CellBounds.Right, e.CellBounds.Bottom - 4);e.handled = true;}}

作为另一个选项，您可以设置

如果要为所有行设置分隔线高度，在添加行之前或设置数据源之前，为RowTemplate设置DividerHeight，例如:

dataGridView1.RowTemplate.DividerHeight = 5;

How can double underline cell in DataGridView similar to this image?
I want to show total in last row, and total's cell in DataGridView should be in underlined or some border at bottom of cell

解决方案

You can handle CellPainting event of DataGridView and draw a double border at bottom of the specified row this way:

void dataGridView1_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
{
    if (e.RowIndex == 1 && e.ColumnIndex >= 0)
    {
        e.Paint(e.CellBounds, e.PaintParts);
        e.Graphics.DrawLine(Pens.Black, e.CellBounds.Left,
            e.CellBounds.Bottom - 2, e.CellBounds.Right, e.CellBounds.Bottom - 2);
        e.Graphics.DrawLine(Pens.Black, e.CellBounds.Left,
            e.CellBounds.Bottom - 4, e.CellBounds.Right, e.CellBounds.Bottom - 4);
        e.Handled = true;
    }
}

Also as another option you can set DividerHeight of the the specified row to a larger value:

dataGridView1.Rows[1].DividerHeight = 5; 

In case if you want to set divider height for all rows, before adding rows or before setting data source, set the DividerHeight for RowTemplate, for example:

dataGridView1.RowTemplate.DividerHeight = 5;

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