dataGridView控件DateTime列插入DateTimePicker

public Form1()

        {

            InitializeComponent();

        }

        //定义一个DateTimePicker控件

        private DateTimePicker dTimePicker = new DateTimePicker();

        //定义一个DataSet

        private DataSet ds;

       

        private void Form1_Load(object sender, EventArgs e)

        {

            //隐藏dTimePicker

            dTimePicker.Visible = false;

            

            //dataGirdView1控件数据绑定

            Data_Bind();

            //定义控件dTimePicker当Text变更时委托于事件dTimePicker_TextChanged

            dTimePicker.TextChanged += new EventHandler(dTimePicker_TextChanged);

            //dataGridView1添加控件dTimePicker

            dataGridView1.Controls.Add(dTimePicker);

        }

        /**//**//**//// <summary>

        /// dataGirdView绑定数据

        /// </summary>

        private void Data_Bind()

        {

            string sqlstr = "select businessname,lastlogindate from business";

            ds = SqlHelper.ExecuteDS(CommandType.Text, sqlstr);

            dataGridView1.DataSource = ds.Tables[0].DefaultView;

        }

        //事件dTimePicker_TextChanged,当dTimePicker当Text变更时触发

        private void dTimePicker_TextChanged(object sender, EventArgs e)

        {

            //把dTimePicker的Text值赋给dataGridView1选中的单元格值

            dataGridView1.CurrentCell.Value = dTimePicker.Text;

        }

        

        private void dataGridView1_Scroll(object sender, ScrollEventArgs e)

        {

            //当dataGridView1滚动条移动时dTimePicker控件隐藏

            dTimePicker.Visible = false;

        }

        private void dataGridView1_ColumnWidthChanged(object sender, DataGridViewColumnEventArgs e)

        {

            //当dataGridView1的列宽改变时dTimePicker控件隐藏

            dTimePicker.Visible = false;

        }

        private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)

        {

            //判断选中行时日期类型

            //dt = ds.Tables[0];

            Type t = ds.Tables[0].Columns[dataGridView1.CurrentCell.ColumnIndex].DataType;

            DateTime d = DateTime.Now;

            if (t== d.GetType() )

            {

                //获得dataGridView1选中单元格显示区域的矩形

                Rectangle Rect = this.dataGridView1.GetCellDisplayRectangle(this.dataGridView1.CurrentCell.ColumnIndex, this.dataGridView1.CurrentCell.RowIndex, false);

                //显示dTimePicker在dataGridView1选中单元格显示区域的矩形里面,即选中单元格内

                dTimePicker.Visible = true;

                dTimePicker.Top = Rect.Top;

                dTimePicker.Left = Rect.Left;

                dTimePicker.Height = Rect.Height;

                dTimePicker.Width = Rect.Width;

                //dTimePicker控件获取初始值为dataGridView1选中单元格值

                dTimePicker.Text=dataGridView1.CurrentCell.Value.ToString();

            }

        }