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();




            }


        }




        ~Form1()




        ...{


            ds.Dispose(); 


            ds.Clear();


            System.GC.Collect();


        }






    }