C#DataGridView怎么合并单元格。(WinForm)

[Jave.Lin]

如题。

明天等大家的答案。

[lfwer]

哪儿来的合并单元格一说·你以为是Table啊

[wuyq11]

  private void dataGridView1_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
        
            if (e.ColumnIndex == 0 && e.RowIndex != -1)
            {
                using
                    (
                    Brush gridBrush = new SolidBrush(this.dataGridView1.GridColor),
                    backColorBrush = new SolidBrush(e.CellStyle.BackColor)
                    )
                {
                    using (Pen gridLinePen = new Pen(gridBrush))
                    {
                        e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
                        if (e.RowIndex < dataGridView1.Rows.Count - 1 &&
                        dataGridView1.Rows[e.RowIndex + 1].Cells[e.ColumnIndex].Value.ToString() != 
                        e.Value.ToString())
                            e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left,
                            e.CellBounds.Bottom - 1, e.CellBounds.Right - 1,
                            e.CellBounds.Bottom - 1);
                        e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1,
                            e.CellBounds.Top, e.CellBounds.Right - 1,
                            e.CellBounds.Bottom);
                        if (e.Value != null)
                        {
                            if (e.RowIndex > 0 &&
                            dataGridView1.Rows[e.RowIndex - 1].Cells[e.ColumnIndex].Value.ToString() == 
                            e.Value.ToString())
                            { }
                            else
                            {
                                e.Graphics.DrawString((String)e.Value, e.CellStyle.Font,
                                    Brushes.Black, e.CellBounds.X + 2,
                                    e.CellBounds.Y + 5, StringFormat.GenericDefault);
                            }
                        }
                        e.Handled = true;
                    }
                }
            }

参考

[surlew]

LZ可以看下我的博客里面有合并的例子!

[Jave.Lin]

[Quote=引用 2 楼 wuyq11 的回复:]
C# codeprivatevoid dataGridView1_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)if (e.ColumnIndex==0&& e.RowIndex!=-1)
{using
(
Brush gridBrush=new SolidBrush(this.dataGridView1.GridColor),
backColorBrush=new SolidBrush(e.CellStyle.BackColor)
)
{using (Pen gridLinePen=new Pen(gridBrush))
{
e.Graphics.FillRectangle(backColorBrush, e.CellBounds);if (e.RowIndex< dataGridView1.Rows.Count-1&&
dataGridView1.Rows[e.RowIndex+1].Cells[e.ColumnIndex].Value.ToString()!=
e.Value.ToString())
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left,
e.CellBounds.Bottom-1, e.CellBounds.Right-1,
e.CellBounds.Bottom-1);
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right-1,
e.CellBounds.Top, e.CellBounds.Right-1,
e.CellBounds.Bottom);if (e.Value!=null)
{if (e.RowIndex>0&&
dataGridView1.Rows[e.RowIndex-1].Cells[e.ColumnIndex].Value.ToString()==
e.Value.ToString())
{ }else
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font,
Brushes.Black, e.CellBounds.X+2,
e.CellBounds.Y+5, StringFormat.GenericDefault);
}
}
e.Handled=true;
}
}
}
参考


[/Quote]

麻烦大哥加一下注释。

参考里的链接：HTTP连接超时。

[hanhanmj]

[Quote=引用 1 楼 lfwer 的回复:]
哪儿来的合并单元格一说·你以为是Table啊
[/Quote]

哪儿来的不能合并单元格一说？

[hanhanmj]

 public  void dgCellPainting(DataGridView dgStandard, string strColumnName, DataGridViewCellPaintingEventArgs e)
        {
            if (dgStandard.Rows.Count > 0)
            {

                if (dgStandard.Rows[0].Cells[0].Value.ToString().Trim() != string.Empty)
                {
                    try
                    {
                        if (dgStandard.Columns[strColumnName].Index == e.ColumnIndex && e.RowIndex >= 0)
                        {
                            using (
                                Brush gridBrush = new SolidBrush(dgStandard.GridColor),
                                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.RowIndex != dgStandard.RowCount - 1)
                                    {
                                        if (e.Value.ToString() != dgStandard.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 
                                        }
                                    }
                                    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                       
                                    }

                                    //右侧的线
                                    e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1, //x1,y1,x2,y2
                                        e.CellBounds.Top, e.CellBounds.Right - 1,
                                        e.CellBounds.Bottom - 1);

                                    if (e.RowIndex == 0)
                                    {
                                        //绘制值
                                        if (e.Value != null)
                                        {

                                            e.Graphics.DrawString((String)e.Value, e.CellStyle.Font,
                                                Brushes.Crimson, 
                                                e.CellBounds.X +(e.CellBounds.Width - e.Graphics.MeasureString(e.Value.ToString().Trim(), e.CellStyle.Font).Width)/2,
                                                e.CellBounds.Y + 2, StringFormat.GenericDefault);
                                        }
                                    }
                                    else
                                    {
                                        if (e.Value.ToString() != dgStandard.Rows[e.RowIndex - 1].Cells[e.ColumnIndex].Value.ToString())
                                        {
                                            //绘制值
                                            if (string.IsNullOrEmpty(e.Value.ToString().Trim()).Equals(false))
                                            {
                                                e.Graphics.DrawString((String)e.Value, e.CellStyle.Font,
                                                    Brushes.Crimson, e.CellBounds.X + (e.CellBounds.Width - e.Graphics.MeasureString(e.Value.ToString().Trim(), e.CellStyle.Font).Width) / 2,
                                                    e.CellBounds.Y + 2, StringFormat.GenericDefault);
                                            }
                                        }
                                    }

                                    e.Handled = true;
                                }
                            }
                        }
                    }
                    catch { }
                }
            }
        }

[kristy244]

LZ可以考虑一下用C1FLEX控件

调整格式挺方便的

包括单元格合并
单元格格式等等

[fengjian_428]

找个第三方控件来用嘛

[peterb]

C# WinForm开发系列 - DataGridView

[suners]

好像网上有一个例子 在博客园上吧 你搜搜 看看 那解释挺详细的

[修改一下昵称]

[Quote=引用 5 楼 hanhanmj 的回复:]
引用 1 楼 lfwer 的回复:
哪儿来的合并单元格一说·你以为是Table啊


哪儿来的不能合并单元格一说？ 
[/Quote]
本来就是不能合并。
你那表面是实现了，那不也就是在dgv的CellPainting绘制事件里面画出来的。

[youyoubaihehua]

哪可以下到C1FLEX控件