DataGridView 添加checkBox

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DataGridViewCheckBoxColumn chk = new DataGridViewCheckBoxColumn();
          // chk.ReadOnly = true;
            chk.Width = 50;
            chk.HeaderText = "状态";
            dG_List.Columns.Add(chk);

DataGridView添加checkBox列

private void dG_List_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (dG_List.Columns[e.ColumnIndex].HeaderText == "状态")
            {
                if (dG_List.Rows[e.RowIndex].Cells[6].ValueType == typeof(bool))
                {
                    bool IsChk = (bool)dG_List.Rows[e.RowIndex].Cells[6].FormattedValue;
                    if (IsChk)
                    {
                        IsChk = false;
                        dG_List.Rows[e.RowIndex].Cells[6].Value = false;
                    }
                    else
                    {
                        IsChk = true;
                        dG_List.Rows[e.RowIndex].Cells[6].Value = true;
                    }

                }
                else
                {
                    if (dG_List.Rows[e.RowIndex].Cells[6].ValueType == typeof(CheckState))
                    {
                        CheckState chk = (CheckState)dG_List.Rows[e.RowIndex].Cells[6].EditedFormattedValue;
                        if (chk == CheckState.Checked)
                        {
                            chk = CheckState.Unchecked;
                            dG_List.Rows[e.RowIndex].Cells[6].Value = false;
                        }
                        else
                        {
                            chk = CheckState.Checked;
                            dG_List.Rows[e.RowIndex].Cells[6].Value = true;
                        }
                    }

                }
            }

        }

        private void dG_List_CurrentCellDirtyStateChanged(object sender, EventArgs e)
        {
            if (dG_List.IsCurrentCellDirty)
            {
                // Commit
                dG_List.CommitEdit(DataGridViewDataErrorContexts.Commit);
            }

}

        private void dG_List_CellValueChanged(object sender, DataGridViewCellEventArgs e)
        {
            if (dG_List.Rows[e.RowIndex].Cells[6].ValueType == typeof(bool))
            {
                DataGridViewCheckBoxCell chk = (DataGridViewCheckBoxCell)dG_List.Rows[e.RowIndex].Cells[6] as DataGridViewCheckBoxCell;
                chk.ThreeState = true;
            }

}