private int? nextrow = null; private int? nextcol = null; private void dataGridView1_CellFormatting(object System.Windows.Forms.DataGridViewCellFormattingEventArgs e)
sender,
...{
if (this.dataGridView1.Columns[\"description\"].Index == e.ColumnIndex && e.RowIndex >= 0) ...{
if (this.nextcol != null & e.ColumnIndex == this.nextcol) ...{
e.CellStyle.BackColor = Color.LightBlue; this.nextcol = null; }
if (this.nextrow != null & e.RowIndex == nextrow) ...{
e.CellStyle.BackColor = Color.LightPink; this.nextrow = null; }
if (e.RowIndex != this.dataGridView1.RowCount - 1) ...{
if (e.Value.ToString() == this.dataGridView1.Rows[e.RowIndex + 1].Cells[e.ColumnIndex].Value.ToString()) ...{
e.CellStyle.BackColor = Color.LightPink; nextrow = e.RowIndex + 1; } }
}
if (this.dataGridView1.Columns[\"name\"].Index == e.ColumnIndex && e.RowIndex >= 0) ...{ if
(e.Value.ToString()
==
this.dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex + 1].Value.ToString()) ...{
e.CellStyle.BackColor = Color.LightBlue; nextcol = e.ColumnIndex + 1; } } }
//==========================
//绘制单元格
private void dataGridView1_CellPainting(object sender,
System.Windows.Forms.DataGridViewCellPaintingEventArgs e) ...{
//纵向合并
if (this.dataGridView1.Columns[\"description\"].Index == e.ColumnIndex && e.RowIndex >= 0) ...{
using (
Brush gridBrush SolidBrush(this.dataGridView1.GridColor),
=
new
backColorBrush = new SolidBrush(e.CellStyle.BackColor)) ...{
using (Pen gridLinePen = new Pen(gridBrush)) ...{
// 擦除原单元格背景
e.Graphics.FillRectangle(backColorBrush, e.CellBounds); /**/////绘制线条,这些线条是单元格相互间隔的区分线条, ////因为我们只对列name做处理,所以datagridview自己会处理左侧和上边缘的线条
if (e.RowIndex != this.dataGridView1.RowCount - 1) ...{
if (e.Value.ToString() != this.dataGridView1.Rows[e.RowIndex + 1].Cells[e.ColumnIndex].Value.ToString()) ...{
e.Graphics.DrawLine(gridLinePen,
e.CellBounds.Left, e.CellBounds.Bottom - 1,
e.CellBounds.Right - 1, e.CellBounds.Bottom - 1);//下边缘的线
//绘制值
if (e.Value != null) ...{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font,
Brushes.Crimson, e.CellBounds.X + 2, e.CellBounds.Y StringFormat.GenericDefault); } } }
+
2,
else
...{
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left, e.CellBounds.Bottom - 1,
e.CellBounds.Right - 1, e.CellBounds.Bottom - 1);//下边缘的线
//绘制值
if (e.Value != null) ...{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font,
Brushes.Crimson, e.CellBounds.X + 2, e.CellBounds.Y StringFormat.GenericDefault); } }
//右侧的线
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1, e.CellBounds.Top, e.CellBounds.Right - 1, e.CellBounds.Bottom - 1);
e.Handled = true; } } }
//横向合并
if (this.dataGridView1.Columns[\"name\"].Index == e.ColumnIndex && e.RowIndex >= 0) ...{
using (
Brush gridBrush SolidBrush(this.dataGridView1.GridColor),
=
new
+
2,
backColorBrush = new SolidBrush(e.CellStyle.BackColor)) ...{
using (Pen gridLinePen = new Pen(gridBrush)) ...{
// 擦除原单元格背景
e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
if (e.Value.ToString() != this.dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex + 1].Value.ToString()) ...{
//右侧的线
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1, e.CellBounds.Top,
e.CellBounds.Right - 1, e.CellBounds.Bottom - 1); //绘制值
if (e.Value != null)
...{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font,
Brushes.Crimson, e.CellBounds.X + 2, e.CellBounds.Y StringFormat.GenericDefault); } }
//下边缘的线
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Bottom - 1,
e.CellBounds.Left,
-
1,
+
2,
e.CellBounds.Right e.CellBounds.Bottom - 1);
e.Handled = true; } }
}
}
#endregion
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