随笔分类 - C#开发
摘要：SaveFileDialog sfd = new SaveFileDialog(); sfd.DefaultExt = "xls"; sfd.Filter = "Excel文?件t(*.xls)|*.xls"; if (sfd.ShowDialog() == Dialo...
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摘要：C# 获取本机的串口号 using System.IO.Ports; //头文件 string[] PortNames = SerialPort.GetPortNames(); //获取本机串口名称，存入PortNames数组中 for (int i = 0; i < PortNa...
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摘要：C# 将二进制流转化成图片格式 MemoryStream ms = new MemoryStream(photo); Bitmap bmpt = new Bitmap(ms); //将二进制流转化成图片格式 SickPicture.Image = bmpt; //SickPi...
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摘要：DSO Framer Control Object 实现加载word文件的不可编辑 axFramerControl1.Open(OldPath); this.axFramerControl1.set_EnableFileCommand(DSOFramer.dsoFileCommandType...
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摘要：将图片转换成二进制插入数据库 FileStream fs = new FileStream("D:\\Add.ico",FileMode.Open); byte[] imagebytes = new byte[fs.Length]; BinaryReader br = new BinaryRe...
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摘要：private int ExistOrNot(string name) //判断当前数据表是否存在 { con = new SqlConnection(s); DataSet ds = new DataSet(); string strSQL = "select name from syso...
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摘要：C#MessageBox用法： DialogResult dr = MessageBox.Show("是否删除？", "提示", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information); if (dr == DialogResul...
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摘要：//CurrentCommunication为解决方案的名字，dynamic为图片的名字pictureBox1.Image = CurrentCommunication.Properties.Resources.dynamic;
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摘要：基本信息设置 progressBar1.Maximum = 1000; //设置ProgressBar的最大值 progressBar1.Value = 0; //ProgressBar的初始值 progressBar1.Step = 5; //ProgressBar的增长度 for (i...
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摘要：c#创建数据库表： private void CreatTable(string name) //创建数据库源数据表，name为表名 { con.ConnectionString = s; con.Open(); string sql = "CREATE TABLE " + name + "(Lin...
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摘要：连接数据库操作： string s = "Data Source=服务器名称;Initial Catalog=数据库名称;Integrated Security=True"; //连接数据库所需要的字符串 SqlConnection con = new SqlConnection(); c...
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摘要：treeView1.SelectedNode = treeView1.Nodes[0]; //选中当前treeview控件的根节点为当前节点添加子节点： TreeNode tmp; tmp = new TreeNode("需要添加的内容"); treeView1.Se...
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摘要：string pathname = dt.ToString().Replace(":", ""); string str = richTextBoxResult.Text; str = str.Replace("\n", "\r\n"); //关键 File.AppendAllText(@"D...
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摘要：private static void InitRichTextBoxContextMenu(RichTextBox textBox) { //创建剪切子菜单 var cutMenuItem = new System.Windows.Forms.MenuItem("剪切"); cutMenuItem
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摘要：FileStream fs = new FileStream(@"D:\text.txt", FileMode.Append); StreamWriter sw = new StreamWriter(fs, Encoding.Default); sw.Write(strAnalasy)...
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摘要：备份数据库： string connectionString = "server=服务器名称;database=数据库名;uid=登入名;pwd=登入密码"; //登入名和密码在SQL Server中查找 private void btnBackDataBase_Click(...
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