C#

private void dateTimePicker_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                //How can i know whether user selects Cut/Copy/Paste/No DateTime                
            } 
        }

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Data.Sql;

namespace WindowsFormsApplication1
{
    public partial class frmBook : Form
    {


        SqlConnection con;

        SqlCommand cmd;
        SqlDataReader dr;


        public frmBook()
        {
            InitializeComponent();
        }

        private void lblStaffDetails_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {

        }

        private void btnMainmenu_Click(object sender, EventArgs e)
        {
            this.Hide();
            frmMainmenu op = new frmMainmenu();
            op.Show();
        }

        
       
            

        

        private void dGridBook_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }

        private void frmBook_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'dbLibraryDataSet.tblBook' table. You can move, or remove it, as needed.
            this.tblBookTableAdapter.Fill(this.dbLibraryDataSet.tblBook);
            // TODO: This line of code loads data into the 'dbLibraryDataSet.tblBook' table. You can move, or remove it, as needed.
            this.tblBookTableAdapter.Fill(this.dbLibraryDataSet.tblBook);

            con = new SqlConnection();
            cmd = new SqlCommand();
            cmd.Connection = con;
        }

        private void btnSaveBook_Click(object sender, EventArgs e)
        {
            con.Open();
            cmd.CommandText = "insert into tblBook (Book_ID, Name, Authour, Category, Donater_ID, Section_ID) values ('" + txtBoxBookId.Text + "', '" + txtBoxBookName.Text + "', '" + txtBoxAuthour.Text + "', '" + txtBoxCategory.Text + "', '" + txtBoxDonaterId.Text + "', '" + txtBoxSecId.Text + "')";
            cmd.ExecuteNonQuery();
            con.Close();
            MessageBox.Show("Record is inserted", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);

        }

        private void tblBookBindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            this.tblBookBindingSource.EndEdit();
            this.tableAdapterManager.UpdateAll(this.dbLibraryDataSet);

        }
    }
}