丨丶Story随笔

在按键处理的代码里填上 e.Handled = true; 就没声音了  private void textBoxCodebar_KeyPress(object sender, KeyPressEventArgs e) { if (e.KeyChar == Convert.ToChar(Keys.Enter))

先下载log4net.dll类库，引用using System;using System.Threading;using System.Net;using System.IO;using System.Text;using System.Net.Sockets;using System.Configuration;namespace Update{ ///

using System;using System.Collections.Generic;using System.Text;using System.Data;using System.Data.SqlClient;using System.Configuration;using System.IO;namespace BFB.DAL{ /// ///

using System.Security.Cryptography;public string GetStrMD5Code(string Srcstr) { MD5CryptoServiceProvider md5csp = new MD5CryptoServiceProvider(); byte[] SrcBytes = E

后台管理： 前台收银：

using Microsoft.Win32;private void button1_Click(object sender, EventArgs e) { RegistryKey Rootkey = Registry.LocalMachine;//获取顶结点 RegistryKey Appkey = Rootkey.Creat

C#绘画表源代码下载地址效果图：可以向下滑动方法可以看源代码

获取视图ViewTBook的所有信息 /// /// 获取所有信息 /// /// public DataSet GetAllBook() { string sql = "select * from ViewTBook"; cmd.Co

在主窗体上放一个Panel 里面用来显示子窗体在treeview的 afterselect 事件中写如下代码private void treeView1_AfterSelect(object sender, TreeViewEventArgs e) { if (treeView1.SelectedNode == treeView1.Nodes["

1.当前的单元格属性取得、变更Console.WriteLine(DataGridView1.CurrentCell.Value)Console.WriteLine(DataGridView1.CurrentCell.ColumnIndex)Console.WriteLine(DataGridView1.CurrentCell.RowIndex)DataGridView1.Cu

新建一个SystemHotKey类using System;using System.Runtime.InteropServices;using System.Windows.Forms;namespace SystemHotKey{ public delegate void HotkeyEventHandler(int HotKeyID); pub

在FormLoad里面写如下代码实现展开所有节点  private void Form1_Load(object sender, EventArgs e) { for (int i = treeView1.GetNodeCount(false)-1; i >-1; i--) {

CREATE PROCEDURE [sp_TBook_Save] @BookCodeBar varchar(15), @BookName varchar(50), @BookAuther varchar(50), @BookPress varchar(50), @BookISBN varchar(15), @BookVersi

父窗体 弹出对话框代码FormMain是主窗体FormSelect 是对话框 private void button2_Click(object sender, EventArgs e) { FormSelect frm = new FormSelect(); frm.Owner =

文章不错，转过来，方便以后使用。针对数据浏览控件DataGridView增加下拉框，虽然我们可以通过其DataGridViewComboBoxColumn方法在DataGridView中添加下拉框列，但问题是一整列的下拉框，很不美观，并且还要编程为其绑定数据，不符合.NET的尽量少干涉的原则。我最近通过有这方面的需求，通过学习可以根据Form控件的事件的简单编程实现了DataGridVie