DataGridView中添加了右键菜单（C#） 多行选中 添加事件

1.  添加ContextMenuStrip快捷菜单控件

2.  添加ContextMenuStrip事件

3. DataGridView 右键属性关联ContextMenuStrip

bool isChecked = true;

if (this.dataGridView1.Rows != null)
            {
                for (int i = 0; i < this.dataGridView1.Rows.Count; i++)
                {
                    if (dataGridView1.Rows[i].Selected == true) //该行是否选中
                    {
                        this.dataGridView1.Rows[i].Cells[0].Value = isChecked; //勾选改行复选框
                    }
                }
                this.dataGridView1.RefreshEdit();
            }

添加事件

            this.dataGridView1.CellClick += new System.Windows.Forms.DataGridViewCellEventHandler(this.dataGridView1_CellClick);
            this.dataGridView1.CellContentClick += new System.Windows.Forms.DataGridViewCellEventHandler(this.dataGridView1_CellContentClick);
            this.dataGridView1.CellContentDoubleClick += new System.Windows.Forms.DataGridViewCellEventHandler(this.dataGridView1_CellContentDoubleClick);