panruola的博客

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using 

解决方法：给字符串name = {0}加单引号，即‘{0}’ //常量查询        public DataTable GetMessage(string name) {            string P_Str_ConnectionStr = string.Format("server={0};user id = {1};port = {2};database=my_d

private void button2_Click(object sender, EventArgs e)        {            GetMessage();        }        private DataTable GetMessage() {            string P_Str_ConnectionStr = string.For

namespace ComeBoxTest{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        private void Form1_Load(object sende

将用户输入的信息写入文本，然后进行读取，实现百度搜索框提示已输入过的信息，其中包括对乱码的处理，分行写入，以及文件是否已创建的判断

//画中画        public void pop(PictureBox[] controlCloneVideo)        {            Point n = new Point();            for (int j = 0; j             {                Point p = new Point();  

//pBox            pictureBoxVideo[0] = pictureBox1;            pictureBoxVideo[1] = pictureBox2;            pictureBoxVideo[2] = pictureBox3;            pictureBoxVideo[3] = pictureBox4;