ASP.Net种使用C#, 向CoreDB.myBBS表中插入记录值(Title, Content)【文章的标题和内容】,由于Content, Title中可能包含单引号,直接使用sql的insert命令会报错,对此有两种处理方法,一种将单引号替换成两个单引号,第2种方法是使用存储过程。
表myBBS的格式定义如下:
- 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]
1、将单引号用两个单引号替换:
- 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";
- //单引号用"''"替换,以插入'到SQL Server中;
- string Title=TextBox1.Text.Replace("'","''");
- string Content=TextBox2.Text.Replace("'","''");
- if(Title.Trim()==""||Content.Trim()=="")return;
- string insertCMD =@"insert into myBBS (Title,Content) Values('"+ Title + "','" +Content+"')";
- SqlCommand myCommand = new SqlCommand(insertCMD,coreDB);
- coreDB.Open();
- SqlDataReader myReader = myCommand.ExecuteReader();
- myReader.Close();
- coreDB.Close();
2、使用存储过程来插入
1) 创建存储过程:
- Create proc InsertMyBBSProc(@Title char(160), @Author char(20), @Content ntext)
- AS
- Insert into myBBS(Title,Author,Content) Values(@Title, @Author, @Content)
2) 查询分析器中测试存储过程:
- declare @title char(160)
- declare @author char(20)
- declare @content char(600)
- set @title='test title 3'
- set @author='david euler 3'
- set @content='it is the content 3'
- exec InsertMyBBSProc @title, @author, @content
3) C#中通过SqlCommand执行存储过程:
- 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;
- //InsertMyBBSProc是向MyBBS中插入数据的Procedure:
- SqlCommand insertCMD = new SqlCommand("InsertMyBBSProc",coreDB);
- insertCMD.CommandType=CommandType.StoredProcedure;//命令类型为存储过程;下面定义参数对象:
- SqlParameter prm1=new SqlParameter("@Title", SqlDbType.Char,160);
- SqlParameter prm2=new SqlParameter("@Author", SqlDbType.Char,20);
- SqlParameter prm3=new SqlParameter("@Content",SqlDbType.NText,1073741823);
- prm1.Direction=ParameterDirection.Input;
- prm2.Direction=ParameterDirection.Input;
- prm3.Direction=ParameterDirection.Input;
- //为insertCMD添加SQL参数:
- insertCMD.Parameters.Add(prm1);
- insertCMD.Parameters.Add(prm2);
- insertCMD.Parameters.Add(prm3);
- //为SQL参数赋值:
- prm1.Value=Title;
- prm2.Value="David Euler";
- prm3.Value=Content;
- coreDB.Open();
- int recordsAffected=insertCMD.ExecuteNonQuery();
- if(recordsAffected==1)Response.Write("<script>alert('"+ "插入成功" +"');</script>");
- coreDB.Close();
转贴:http://dev.csdn.net/article/51/51067.shtm
本日志由 flyinweb 于 2009-06-17 21:53:45 发表,目前已经被浏览 4591 次,评论 0 次;
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It is quite useful and interesting too.
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