DataGridView二维表头

Question

如图想要这么个效果，应该怎么做啊？

Answer 1

我在CSDN中也下载了个控件试了 但是出来的结果是乱的 没有按照我的设计显示啊

Answer 2

 1,继承DataGridView，添加表头信息类。
  2，添加CellPainting，代码如下：private void DataGridViewEx_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
        {
            if (e.RowIndex == -1)
            {
             //   int w = dataGridView1.HorizontalScrollingOffset + dataGridView1.TopLeftHeaderCell.Size.Width + dataGridView1.Columns[0].Width + 10;
                Rectangle newRect = new Rectangle(e.CellBounds.X + 1,
               e.CellBounds.Y + 1, e.CellBounds.Width - 4,
               e.CellBounds.Height - 4);                using (
                    Brush gridBrush = new SolidBrush(this.GridColor),
                    backColorBrush = new SolidBrush(e.CellStyle.BackColor))
                {
                    using (Pen gridLinePen = new Pen(gridBrush))
                    {
                        // Erase the cell.
                        e.Graphics.FillRectangle(backColorBrush, e.CellBounds);                        // Draw the grid lines (only the right and bottom lines;
                        // DataGridView takes care of the others).
                        e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left,
                            e.CellBounds.Bottom - 1, e.CellBounds.Right - 1,
                            e.CellBounds.Bottom - 1);
                        if (e.ColumnIndex > -1 && topRow!=null&&topRow.Cells[e.ColumnIndex].ColSpan>1)
                        {
                            e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1,
                                e.CellBounds.Top + e.ClipBounds.Height / 2, e.CellBounds.Right - 1,
                                e.CellBounds.Bottom);
                        }
                        else
                        {
                            e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1,
                                                          e.CellBounds.Top, e.CellBounds.Right - 1,
                                                          e.CellBounds.Bottom);
                        }                        // Draw the inset highlight box.
                        //   e.Graphics.DrawRectangle(Pens.Blue, newRect);                        int scale = e.CellBounds.Height/3;
                        if (e.ColumnIndex > -1 && topRow.Cells[e.ColumnIndex].Text != null)
                        {
                            scale= e.CellBounds.Height / 2;
                            e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left, e.CellBounds.Bottom - e.CellBounds.Height / 2, e.CellBounds.Right, e.CellBounds.Bottom - e.CellBounds.Height / 2);
                        }
                        // Draw the text content of the cell, ignoring alignment.                                              if (e.Value != null)
                        {
                            e.Graphics.DrawString(e.Value.ToString(), e.CellStyle.Font,
                                Brushes.Crimson, e.CellBounds.X + 2,
                                e.CellBounds.Y + scale+ 2, StringFormat.GenericDefault);                        }
                        if (e.ColumnIndex > -1 &&  topRow.Cells[e.ColumnIndex].RelateIndex > -1 && topRow.Cells[e.ColumnIndex].Text!=null)
                    
                        {
                            Rectangle recCell = new Rectangle(e.CellBounds.X - 1 - topRow.Cells[e.ColumnIndex].SpanRowWith,
           e.CellBounds.Y + 1, topRow.Cells[e.ColumnIndex].SpanRowWith,
           e.CellBounds.Height / 2);
                            StringFormat sf = new StringFormat();                            sf.Alignment = StringAlignment.Center;
                            e.Graphics.DrawString(topRow.Cells[e.ColumnIndex].Text, e.CellStyle.Font, Brushes.Crimson, recCell, sf);                        }
               
                        e.Handled = true;
                    }
                }
            }        }
调用方法
  dataGridViewEx1.TopRow.Cells[2].Text = "入库";
            dataGridViewEx1.TopRow.Cells[2].ColSpan = 2;
            dataGridViewEx1.TopRow.Cells[4].Text = "出库";
            dataGridViewEx1.TopRow.Cells[4].ColSpan = 2;

Answer 3

Spread 6.0 for Asp.Net and Windows Forms
很好實現

Answer 4

Spread 6.0 这是收费的啊 
有没有自己画的那种代码啊？求代码