frmbookconcerninfoview.cs

数据库课程设计

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Bussiness;
namespace UI
{
    public partial class frmBookConcernInfoView : Form
    {
        SelectInfo objSelectInfo = new SelectInfo();
        frmAddBookConcern objfrmAddBookConcern;
        public frmBookConcernInfoView(frmAddBookConcern from)
        {
            objfrmAddBookConcern = from;
            InitializeComponent();
        }

        private void txtBookName_TextChanged(object sender, EventArgs e)
        {
            try
            {
                if (txtBookName.Text.Trim() == string.Empty)
                {
                    GridViewBookInfo.DataSource = null;
                    GridViewBookInfo.DataSource = objSelectInfo.GridViewBookConcernnfoTable();
                }
                else
                {
                    GridViewBookInfo.DataSource = null;
                    GridViewBookInfo.DataSource = objSelectInfo.selectLikeBookConcernID(txtBookName.Text.Trim());
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void txtBookIDorISBN_TextChanged(object sender, EventArgs e)
        {
            try
            {
                if (txtBookName.Text.Trim() == string.Empty)
                {
                    GridViewBookInfo.DataSource = null;
                    GridViewBookInfo.DataSource = objSelectInfo.GridViewBookConcernnfoTable();
                }
                else
                {
                    GridViewBookInfo.DataSource = null;
                    GridViewBookInfo.DataSource = objSelectInfo.selectLikeBookConcernName(txtBookName.Text.Trim());
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void butOK_Click(object sender, EventArgs e)
        {

        }
    }
}