使用C#的DAPPER 进行增删改查操作（准备工作）
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如何在C＃中使用Dapper ORM从SQL数据库插入，更新，删除和查看学生资料数据
步骤1： 单击 新建项目，然后选择左侧的Visual C＃，然后点选windows ，然后选择 Windows窗体应用程序。命名您的项目“ CRUD”，然后单击 确定
选择“类库”，然后创建CRUD.Core和CRUD.DataAccess项目
步骤2：您需要将dapper安装到CRUD.DataAccess项目，右键点击您的项目，选择Manage NuGet Packages->Dapper
步骤4：您应该创建一个新的数据库，然后将一个学生表添加到数据库中
创建数据表
CREATE TABLE [dbo].[UserInfo](
[Id] [int] IDENTITY(1,1) NOT NULL,
[FirstName] [nvarchar](50) NULL,
[LastName] [nvarchar](50) NULL,
[Email] [nvarchar](50) NULL,
[Gender] [nvarchar](50) NULL,
[IpAddress] [nvarchar](50) NULL,
CONSTRAINT [PK_User] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
插入测试数据
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Sigfrid‘, ‘Mardee‘, ‘smardee0@yellowpages.com‘, ‘Male‘, ‘240.130.149.124‘);
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Adair‘, ‘McCulley‘, ‘amcculley1@wunderground.com‘, ‘Male‘, ‘117.91.155.101‘);
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Archibald‘, ‘Le Port‘, ‘aleport2@goo.gl‘, ‘Male‘, ‘71.216.30.7‘);
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Antonin‘, ‘Burling‘, ‘aburling3@imgur.com‘, ‘Male‘, ‘40.52.235.204‘);
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Lyndsay‘, ‘Lillie‘, ‘llillie4@nytimes.com‘, ‘Female‘, ‘226.133.26.233‘);
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Dorice‘, ‘Nijssen‘, ‘dnijssen5@list-manage.com‘, ‘Female‘, ‘17.234.233.192‘);
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Fay‘, ‘Card‘, ‘fcard6@ycombinator.com‘, ‘Female‘, ‘86.128.82.43‘);
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Alicea‘, ‘Bellhanger‘, ‘abellhanger7@cbsnews.com‘, ‘Female‘, ‘231.167.15.120‘);
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Carine‘, ‘Brisse‘, ‘cbrisse8@europa.eu‘, ‘Female‘, ‘18.31.36.220‘);
insert into UserInfo (FirstName, LastName, Email, Gender, IpAddress) values (‘Amii‘, ‘Sultan‘, ‘asultan9@weather.com‘, ‘Female‘, ‘64.193.222.168‘);
创建一个存储过程以插入数据，并将数据更新到学生表
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