C#winform窗体实现对sql server数据库的增删改查

1.运行效果截图

2.输入用户名，密码进行查询

查找成功则显示

查找不成功显示用户信息不存在

3.输入用户名与密码，向数据库中添加用户信息

添加后数据库表信息

4.查看全部信息

5.根据编号信息进行查找，修改用户信息

6通过编号进行删除用户信息

数据库的sql语句

/*
Navicat SQL Server Data Transfer

Source Server : Sqlserver
Source Server Version : 110000
Source Host : localhost:1433
Source Database : syszyt
Source Schema : dbo

Target Server Type : SQL Server
Target Server Version : 110000
File Encoding : 65001

Date: 2018-10-27 10:38:33
*/

-- ----------------------------
-- Table structure for users
-- ----------------------------
DROP TABLE [dbo].[users]
GO
CREATE TABLE [dbo].[users] (
[code] int NOT NULL IDENTITY(1,1) ,
[name] varchar(20) NOT NULL ,
[pwd] varchar(20) NOT NULL
)

GO
DBCC CHECKIDENT(N'[dbo].[users]', RESEED, 11)
GO

-- ----------------------------
-- Records of users
-- ----------------------------
SET IDENTITY_INSERT [dbo].[users] ON
GO
INSERT INTO [dbo].[users] ([code], [name], [pwd]) VALUES (N'1', N'zhangsan', N'111')
GO
GO
INSERT INTO [dbo].[users] ([code], [name], [pwd]) VALUES (N'3', N'wangwu', N'333')
GO
GO
INSERT INTO [dbo].[users] ([code], [name], [pwd]) VALUES (N'4', N'zhaoliu', N'444')
GO
GO
INSERT INTO [dbo].[users] ([code], [name], [pwd]) VALUES (N'5', N'zyt', N'zyt123')
GO
GO
INSERT INTO [dbo].[users] ([code], [name], [pwd]) VALUES (N'6', N'zyt', N'1234')
GO
GO
INSERT INTO [dbo].[users] ([code], [name], [pwd]) VALUES (N'9', N'liyao', N'147')
GO
GO
INSERT INTO [dbo].[users] ([code], [name], [pwd]) VALUES (N'10', N'111', N'222')
GO
GO
INSERT INTO [dbo].[users] ([code], [name], [pwd]) VALUES (N'11', N'新东方', N'666')
GO
GO
SET IDENTITY_INSERT [dbo].[users] OFF
GO

-- ----------------------------
-- Indexes structure for table users
-- ----------------------------

-- ----------------------------
-- Primary Key structure for table users
-- ----------------------------
ALTER TABLE [dbo].[users] ADD PRIMARY KEY ([code])
GO

源代码

https://pan.baidu.com/s/1y15NygYMHzC_kR3zkxTivg

参考博客园链接http://www.cnblogs.com/Claires/p/4330849.html