C#调用SQL存储过程完整例子

SQL存储过程中的代码：

存储过程查询出两个表

set ANSI_NULLS ON

set QUOTED_IDENTIFIER ON

go

ALTER PROCEDURE [dbo].[pro_C#]

@intYear VarChar(4),

@intSeason VarChar(1)

AS

BEGIN

DECLARE @strSQLC VarChar(2000)

DECLARE @strSQLS VarChar(2000)

DECLARE @strSQL VarChar(2000)

DECLARE @strSQL1 VarChar(200)

DECLARE @strStartDatetime VarChar(30)

DECLARE @strEndDatetime VarChar(30)

DECLARE @tblName VarChar(30)

SET @tblName='tbl'+@intYear

IF(@intSeason='1')

BEGIN

SET @strStartDatetime=@intYear+'-1-1'

SET @strEndDatetime=@intYear+'-3-31'

end

IF(@intSeason='2')

BEGIN

SET @strStartDatetime=@intYear+'-4-1'

SET @strEndDatetime=@intYear+'-6-30'

end

IF(@intSeason='3')

BEGIN

SET @strStartDatetime=@intYear+'-7-1'

SET @strEndDatetime=@intYear+'-10-31'

end

IF(@intSeason='4')

BEGIN

SET @strStartDatetime=@intYear+'-10-1'

SET @strEndDatetime=@intYear+'-12-31'

end

set @strSQL='sum(case when casetype=1 then 1 else 0 end) AS BJtotal,

sum(case when casetype=1 and bigclass=1 then 1 else 0 end) AS BJpublic,

sum(case when casetype=1 and bigclass=2 then 1 else 0 end) AS BJtraffic,

sum(case when casetype=1 and bigclass=3 then 1 else 0 end) AS BJsurround,

sum(case when casetype=1 and bigclass=4 then 1 else 0 end) AS BJgreen,

sum(case when casetype=1 and bigclass=5 then 1 else 0 end) AS BJhouse,

sum(case when casetype=2 then 1 else 0 end) AS SJtotal,

sum(case when casetype=2 and bigclass=1 then 1 else 0 end) AS SJsurround,

sum(case when casetype=2 and bigclass=2 then 1 else 0 end) AS SJadvertise,

sum(case when casetype=2 and bigclass=3 then 1 else 0 end) AS SJmanage,

sum(case when casetype=2 and bigclass=4 then 1 else 0 end) AS SJurgent,

sum(case when casetype=2 and bigclass=5 then 1 else 0 end) AS SJstreet

INTO '

set @strSQL1= 'set val=((BJpublic*0.24+BJtraffic*0.21+BJsurround*0.03+BJgreen*0.51+BJhouse*0.01)*0.05+(SJsurround*0.33+SJadvertise*0.22+SJmanage*0.03+SJurgent*0.01+SJstreet*0.41)*0.95)/area;'

set @strSQLC='SELECT CommunityCode,CommunityName,STName,'+@strSQL+'#tblRC

FROM '+@tblName+'

WHERE UploadTime BETWEEN '''+@strStartDatetime+''' AND '''+@strEndDatetime+'''

GROUP BY CommunityCode,CommunityName,STName order by STName asc;

alter table #tblRC add area float,val float;

update #tblRC set #tblRC.area=community.area from community where #tblRC.CommunityName =community.SQName;

update #tblRC '+@strSQL1;

EXEC(@strSQLC+' SELECT * FROM #tblRC')

set @strSQLS='SELECT STCode,STName,'+@strSQL+'#tblRS

FROM '+@tblName+'

WHERE UploadTime BETWEEN '''+@strStartDatetime+''' AND '''+@strEndDatetime+'''

GROUP BY STCode,STName order by STName asc;

alter table #tblRS add area float,val float;

update #tblRS set #tblRS.area=street.area from street where #tblRS.STName =street.JDName;

update #tblRS '+@strSQL1;

EXEC(@strSQLS+' SELECT * FROM #tblRS')

END

C#代码：

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

SqlConnection conn;

SqlCommand comm;

SqlDataAdapter sda;

DataSet myDataSet;

private void Form1_Load(object sender, EventArgs e)

{

conn = new SqlConnection("server=10.19.1.55;uid=sa;pwd=123;database=08_09cgywdb;Connection TimeOut=2");

conn.Open();

//调用存储过程

comm = new SqlCommand();

comm.Connection = conn;

comm.CommandText = "pro_C#";//存储过程的名字

comm.CommandType = CommandType.StoredProcedure;

IDataParameter[] parameters =

{

new SqlParameter("@intYear", SqlDbType.VarChar,4) , //存储过程中参数的名字

new SqlParameter("@intSeason", SqlDbType.VarChar,1) //存储过程中参数的名字

};

parameters[0].Value = "2009";

parameters[1].Value = "2";

comm.Parameters.Add(parameters[0]);

comm.Parameters.Add(parameters[1]);

sda = new SqlDataAdapter();

sda.SelectCommand = comm;

myDataSet = new DataSet();

sda.Fill(myDataSet);

conn.Close();

dataGridView1.DataSource = myDataSet.Tables[0];

dataGridView2.DataSource = myDataSet.Tables[1];

}

}