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sql 储存过程的使用

时间:2022-03-10 17:19

-<span style="background-color: rgb(255, 255, 0);">-获取所有数据 根据自定义函数传人类型id返回类型名称</span>
USE [Cloths]
GO
/****** Object:  StoredProcedure [dbo].[Proc_all]    Script Date: 05/23/2014 12:10:37 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE   [dbo].[Proc_all]
AS
BEGIN
    SET NOCOUNT ON;
   select ClothColorId ,Name ,<span style="background-color: rgb(255, 0, 0);">dbo.myfun1(TypeId)</span> as typename from dbo.ClothColors;
END

  这些储存过程都是修改的,吧ALTER改为create 就可以在数据库中创建 

USE [Cloths]
GO
/****** Object:  UserDefinedFunction [dbo].[myfun1]    Script Date: 05/23/2014 13:53:46 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
  
<span style="background-color: rgb(255, 255, 0);"> --自定义函数</span>
ALTER FUNCTION  [dbo].[myfun1]
(  
 @a varchar(50)
      
)
 returns varchar(50)
as
begin
 declare @name varchar(50);
 select @name=[types].name from [types] where typeid=@a;
 return @name;
end

  //既有传人参数,又有返回参数

USE [Cloths]
GO
/****** Object:  StoredProcedure [dbo].[Proc_all]    Script Date: 05/23/2014 13:56:48 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO<br>--<span class="syntaxhighlighter csharp ie">
SqlCommand comm = new SqlCommand();
          comm.Connection = new SqlConnection("Data Source=.;Initial Catalog=Cloths;Integrated Security=True");
          comm.CommandType = CommandType.StoredProcedure;
          comm.CommandText = "Proc_all";
          comm.Parameters.Add(new SqlParameter("@name", "大红"));//传人参数
          comm.Parameters.Add(new SqlParameter("@count",DbType.Int32));
          comm.Parameters["@count"].Direction = <span style="background-color: rgb(255, 255, 0);">ParameterDirection.Output; //这个必须写,不写不会返回要传出的参数</span>
          SqlDataAdapter sda = new SqlDataAdapter(comm);
          DataSet ds=new DataSet ();
          sda.Fill(ds);

  

sql 储存过程的使用,布布扣,bubuko.com

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