随笔分类 - winfrom
摘要:CodeSmith连接Access,Sql,Oracle,mysqlACCESS数据库1:CodeSmith选中链接类型是:ADOXSchema2:无密码的Access链接为:Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\hh\db.mdb;3:有密...
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摘要:namespace WindowsFormsApplication5{ public partial class Form1 : Form { public Form1() { InitializeComponent(); ...
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摘要:using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;u...
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摘要:using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;u...
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摘要:c# 操作txt文件 # 操作txt文件 c#创建文本private const string FILE_NAME = "ErroLog.txt"; public static void WriteFile(string str) ...{ S...
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摘要:1)Trim方法string tt=" aaa "; tt=tt.Trim() 去字符串首尾空格的函数tt=tt.TrimEnd() 去掉字符串尾空格tt=tt.TrimStart() 去掉字符串首空格
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摘要:复制代码1、打开文件路径: OpenFileDialog a= new OpenFileDialog(); //new一个方法a.Filter = "(*.et;*.xls;*.xlsx)|*.et;*.xls;*.xlsx|all|*.*"; //删选、设定文件显示类型a.ShowDialog(...
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摘要:private void button1_Click(object sender, EventArgs e) //这里是不用泛型集合的情况,用的是Datatable { SqlConnection conn = new SqlConnection("server=...
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摘要:private void button3_Click(object sender, EventArgs e) { if(listView1.SelectedItems.Count>0) { string x = listView1.Select...
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摘要:private void button1_Click(object sender, EventArgs e) //登陆页面的第一栏的文本 要将它传到Main窗体的状态栏 { //...
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摘要:private void button1_Click(object sender, EventArgs e)//从硬盘打开图片显示在窗体里面 { OpenFileDialog op = new OpenFileDialog();//造一个打开对话框 ...
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摘要:public class method { //成员变量 private SqlConnection conn; private SqlCommand cmd; public method() //通过构造函数给变量赋值 { ...
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摘要:namespace 计算器_新{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private bo...
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摘要:using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Window...
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