DataGridView合并单元格后文字居中显示

Question

DataGridView合并单元格后如何使文字居中显示，如果文本长度超出单元格长度，隐藏超出部分

Answer 1

System.Windows.Forms.DataGridViewCellStyle   dataGridViewCellStyle1   =   new   System.Windows.Forms.DataGridViewCellStyle(); dataGridViewCellStyle1.Alignment   =   System.Windows.Forms.DataGridViewContentAlignment.MiddleCenter; this.fParentDataGridViewTextBoxColumn.DefaultCellStyle   =   dataGridViewCellStyle1;
DefaultCellStyle  
 

Answer 2

附上重绘单元格代码
#region 重绘单元格
        /// <summary>
        /// 重绘单元格
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dataGridViewBom_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
        {
            if (e.RowIndex >= 0 && e.ColumnIndex > -1)
            {
                if (this.dataGridViewBom.Rows[e.RowIndex].DefaultCellStyle.BackColor == Color.Gray && this.dataGridViewBom.Rows[e.RowIndex].ReadOnly == true)
                {
                    Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
                    Editor ed = doc.Editor;
                    using (Brush gridBrush = new SolidBrush(this.dataGridViewBom.GridColor), backColorBrush = new SolidBrush(e.CellStyle.BackColor))
                    {
                        using (Pen gridLinePen = new Pen(gridBrush))
                        {
                            //擦出单元格背景
                            e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
                            if (e.ColumnIndex == this.dataGridViewBom.ColumnCount - 1)
                            {
                                //画右侧线
                                e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1, e.CellBounds.Top, e.CellBounds.Right - 1, e.CellBounds.Bottom);
                            }
                            double rowLen = this.dataGridViewBom.Columns.GetColumnsWidth(DataGridViewElementStates.Displayed);
                            Graphics g = this.CreateGraphics();
                            //if (e.Value != null)
                            //{
                                
                            //}
                            string s = "";
                            for (int i = 0; i < equipNameList.Count; i++)
                            {
                                if (e.RowIndex == Convert.ToInt32(equipNameList[i][1]))
                                {
                                    s = equipNameList[i][0];
                                    break;
                                }
                            }
                            try
                            {
                                e.Graphics.DrawString(this.dataGridViewBom.Rows[e.RowIndex].Cells[0].Value.ToString(), e.CellStyle.Font, Brushes.Red, (float)rowLen / 2 - 20, e.CellBounds.Y + 5, StringFormat.GenericDefault);
                            }
                            catch
                            {
                                e.Graphics.DrawString(s, e.CellStyle.Font, Brushes.Red, (float)rowLen / 2 - 20, e.CellBounds.Y + 5, StringFormat.GenericDefault);
                            }
                            //else
                            //{
                            //    e.Graphics.DrawString("", e.CellStyle.Font, Brushes.Red, (float)rowLen / 2 - 20, e.CellBounds.Y + 5, StringFormat.GenericDefault);
                            //}
                            //下边缘线
                            e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left, e.CellBounds.Bottom - 1, e.CellBounds.Right - 1, e.CellBounds.Bottom - 1);
                            e.Handled = true;
                        }
                    }
                    ed.UpdateScreen();
                }
            }
        }
        #endregion

Answer 3

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