最新下载
热门教程
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
ADO.Net:使用DataReader向数据库中插入数据
时间:2022-06-30 10:38:37 编辑:袖梨 来源:一聚教程网
连接数据库coreDB,向表myBBS中插入文章。表myBBS的定义如下:
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[myBBS]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[myBBS]
GO
CREATE TABLE [dbo].[myBBS] (
[ID] [bigint] IDENTITY (1, 1) NOT NULL ,
[Title] [char] (160) COLLATE Chinese_PRC_CI_AS NULL ,
[Author] [char] (20) COLLATE Chinese_PRC_CI_AS NULL ,
[Date_of_Created] [datetime] NULL ,
[Abstract] [char] (480) COLLATE Chinese_PRC_CI_AS NULL ,
[Content] [ntext] COLLATE Chinese_PRC_CI_AS NOT NULL
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO
TextBox1,TextBox2分别为提供用户输入标题和文章内容的两个textBox,
用户点击Button1按钮时检查并保存文章到数据库中。
private void Button1_Click(object sender, System.EventArgs e)
{
SqlConnection coreDB=new SqlConnection();
coreDB.ConnectionString= "workstation id="GQA-ERIC-LV";packet size=4096;integrated security=SSPI;" +
"data source="gqa-eric-lv";persist security info=False;initial catalog=CoreDB";
string Title=TextBox1.Text;
string Content=TextBox2.Text;
if(Title.Trim()==""||Content.Trim()=="")return;
string mySelectQuery =@"insert into myBBS (Title,Content) Values('"+ Title + "','" +Content+"')";
SqlCommand myCommand = new SqlCommand(mySelectQuery,coreDB);
coreDB.Open();
SqlDataReader myReader = myCommand.ExecuteReader();
myReader.Close();
coreDB.Close();
}
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[myBBS]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[myBBS]
GO
CREATE TABLE [dbo].[myBBS] (
[ID] [bigint] IDENTITY (1, 1) NOT NULL ,
[Title] [char] (160) COLLATE Chinese_PRC_CI_AS NULL ,
[Author] [char] (20) COLLATE Chinese_PRC_CI_AS NULL ,
[Date_of_Created] [datetime] NULL ,
[Abstract] [char] (480) COLLATE Chinese_PRC_CI_AS NULL ,
[Content] [ntext] COLLATE Chinese_PRC_CI_AS NOT NULL
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO
TextBox1,TextBox2分别为提供用户输入标题和文章内容的两个textBox,
用户点击Button1按钮时检查并保存文章到数据库中。
private void Button1_Click(object sender, System.EventArgs e)
{
SqlConnection coreDB=new SqlConnection();
coreDB.ConnectionString= "workstation id="GQA-ERIC-LV";packet size=4096;integrated security=SSPI;" +
"data source="gqa-eric-lv";persist security info=False;initial catalog=CoreDB";
string Title=TextBox1.Text;
string Content=TextBox2.Text;
if(Title.Trim()==""||Content.Trim()=="")return;
string mySelectQuery =@"insert into myBBS (Title,Content) Values('"+ Title + "','" +Content+"')";
SqlCommand myCommand = new SqlCommand(mySelectQuery,coreDB);
coreDB.Open();
SqlDataReader myReader = myCommand.ExecuteReader();
myReader.Close();
coreDB.Close();
}
相关文章
- 抖音短视频网页版:官方入口一键直达 12-19
- 漫画岛入口在哪 最新漫画岛入口一览 12-19
- 女神漫画独家入口-女神漫画韩漫全集在线免费畅读入口 12-19
- 哔哩哔哩国产大片视频入口在哪-最新哔哩哔哩国产大片视频地址链接分享 12-19
- 抖音电脑版网页版入口-抖音官网PC端在线观看 12-19
- 126邮箱登录官网极速稳定-免费秒开收件箱畅快收发 12-19