C#中的DataGridViewComboBoxColumn 的用法，要详细的，百分送上

Question

如有大侠给指点，百分送上，另有“谢谢”二字送上，最好给个例子

Answer 1

参考
http://www.cnblogs.com/slcfhr/articles/455088.html
http://www.cnblogs.com/perfect/articles/1216591.html

Answer 2

http://www.rustemsoft.com/DataGridViewColumns.asp

Answer 3

        /// <summary>
        /// 读取并绑定权限关系数据显示
        /// </summary>
        private void BindDataToRightsRelationList()
        {
            try
            {
                // 创建工厂类实例
                BLLFactory.BLLFactory bllFactory = new BLLFactory.BLLFactory();
                // 创建权限关系管理类实例
                IBLL.IRightsRelationManager rightsRelationManager = bllFactory.BuildRightsRelationManager();
                // 调用实例方法
                _rightsRelationList = rightsRelationManager.GetAllRightsRelation();
                // 创建操作管理类实例
                IBLL.IOperatorManager operatorManager = bllFactory.BuildOperatorManager();
                // 调用实例方法
                _operatorCollection = operatorManager.GetAllOperatorInfo();                // 清除原有的列
                dgvRightsRelationList.Columns.Clear();                // 手动创建数据列
                //
                // dgvColId
                // 
                DataGridViewTextBoxColumn dgvColId = new DataGridViewTextBoxColumn();
                dgvColId.Name = "dgvColId";
                dgvColId.HeaderText = "关系编号";
                dgvColId.ToolTipText = "[只读列]";
                dgvColId.DisplayIndex = 0;
                dgvColId.ReadOnly = true;
                dgvColId.DataPropertyName = "Id";
                dgvColId.AutoSizeMode = DataGridViewAutoSizeColumnMode.ColumnHeader;
                //
                // dgvColOperatorId
                // 
                DataGridViewTextBoxColumn dgvColOperatorId = new DataGridViewTextBoxColumn();
                dgvColOperatorId.Name = "dgvColOperatorId";
                dgvColOperatorId.HeaderText = "用户编号";
                dgvColOperatorId.ToolTipText = "[只读列]";
                dgvColOperatorId.DisplayIndex = 1;
                dgvColOperatorId.ReadOnly = true;
                dgvColOperatorId.DataPropertyName = "OperatorId";
                dgvColOperatorId.Visible = false;
                dgvColOperatorId.AutoSizeMode = DataGridViewAutoSizeColumnMode.ColumnHeader;
                //
                // dgvColOperatorName
                // 
                DataGridViewComboBoxColumn dgvColOperatorName = new DataGridViewComboBoxColumn();
                dgvColOperatorName.Name = "dgvColOperatorName";
                dgvColOperatorName.HeaderText = "用户名称";
                dgvColOperatorName.DisplayIndex = 2;
                dgvColOperatorName.DataPropertyName = "OperatorName";
                BindingSource operatorNameSource = new BindingSource();
                operatorNameSource.DataSource = _operatorCollection.Values;
                dgvColOperatorName.DataSource = operatorNameSource;
                dgvColOperatorName.DisplayMember = "ModelName";
                dgvColOperatorName.ValueMember = "ModelName";
                //
                // dgvColRightsGroupId
                // 
                DataGridViewTextBoxColumn dgvColRightsGroupId = new DataGridViewTextBoxColumn();
                dgvColRightsGroupId.Name = "dgvColRightsGroupId";
                dgvColRightsGroupId.HeaderText = "分组编号";
                dgvColRightsGroupId.ToolTipText = "[只读列]";
                dgvColRightsGroupId.DisplayIndex = 3;
                dgvColRightsGroupId.ReadOnly = true;
                dgvColRightsGroupId.DataPropertyName = "RightsGroupId";
                dgvColRightsGroupId.Visible = false;
                dgvColRightsGroupId.AutoSizeMode = DataGridViewAutoSizeColumnMode.ColumnHeader;
                //
                // dgvColRightsGroupName
                // 
                DataGridViewComboBoxColumn dgvColRightsGroupName = new DataGridViewComboBoxColumn();
                dgvColRightsGroupName.Name = "dgvColRightsGroupName";
                dgvColRightsGroupName.HeaderText = "分组名称";
                dgvColRightsGroupName.DisplayIndex = 4;
                dgvColRightsGroupName.DataPropertyName = "RightsGroupName";
                BindingSource rightsGroupSource = new BindingSource();
                rightsGroupSource.DataSource = _rightsGroupCollection.Values;
                dgvColRightsGroupName.DataSource = rightsGroupSource;
                dgvColRightsGroupName.DisplayMember = "ModelName";
                dgvColRightsGroupName.ValueMember = "ModelName";                // 添加新建的列
                dgvRightsRelationList.Columns.AddRange(new DataGridViewColumn[] {
                dgvColId,
                dgvColOperatorId,
                dgvColOperatorName,
                dgvColRightsGroupId,
                dgvColRightsGroupName});                //// 手动添加数据行(根据权限关系集合数量)
                //dgvRightsRelationList.Rows.Add(_rightsRelationList.Count);
                //// 手动为数据行赋值
                //foreach (Model.RightsRelation tmpRightsRelation in _rightsRelationList)
                //{
                //    dgvRightsRelationList.Rows[tmpRightsRelation.Id - 1].Cells["dgvColId"].Value = tmpRightsRelation.Id;
                //    dgvRightsRelationList.Rows[tmpRightsRelation.Id - 1].Cells["dgvColOperatorId"].Value = tmpRightsRelation.OperatorId;
                //    dgvRightsRelationList.Rows[tmpRightsRelation.Id - 1].Cells["dgvColOperatorName"].Value = tmpRightsRelation.OperatorId;
                //    dgvRightsRelationList.Rows[tmpRightsRelation.Id - 1].Cells["dgvColRightsGroupId"].Value = tmpRightsRelation.RightsGroupId;
                //    dgvRightsRelationList.Rows[tmpRightsRelation.Id - 1].Cells["dgvColRightsGroupName"].Value = tmpRightsRelation.RightsGroupId;
                //}                // 使用绑定显示数据行
                BindingSource source = new BindingSource();
                source.DataSource = _rightsRelationList;
                dgvRightsRelationList.AutoGenerateColumns = false;
                dgvRightsRelationList.DataSource = source;                // 设置工具提示
                foreach (DataGridViewRow dgvRow in dgvRightsRelationList.Rows)
                {
                    foreach (DataGridViewCell dgvCell in dgvRow.Cells)
                    {
                        if (dgvCell.ReadOnly)
                            dgvCell.ToolTipText = "[只读格]";
                        else
                            dgvCell.ToolTipText = "[可写格]";
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(
                    ex.Message,
                    "加载失败",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Error);
            }
        }

Answer 4

DataGridViewRow newrow = dgvSelected.Rows[index];
DataGridViewComboBoxCell dgb = (DataGridViewComboBoxCell)newrow.Cells[列数];
然后给dgb赋值