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用存储过程填充DataGrid(Silverlight业务应用程序)_Silverlight_Stored Procedures_Silverlight 4.0 - Fatal编程技术网

用存储过程填充DataGrid(Silverlight业务应用程序)

用存储过程填充DataGrid(Silverlight业务应用程序),silverlight,stored-procedures,silverlight-4.0,Silverlight,Stored Procedures,Silverlight 4.0,我需要用存储过程填充datagrid。用asp.net我做到了 但有了Silverlight,我不能这么做 以下是如何使用asp.net填充datagrid的代码: DataTable dt = new DataTable(); SqlCommand cmd = new SqlCommand(); // Open the connection using (SqlConnection cnn = new SqlConnection(ConfigurationManager.Connectio

我需要用存储过程填充datagrid。用asp.net我做到了

但有了Silverlight,我不能这么做

以下是如何使用asp.net填充datagrid的代码:

DataTable dt = new DataTable();
SqlCommand cmd = new SqlCommand();

// Open the connection 
using (SqlConnection cnn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString))
{
   cnn.Open(); 

   cmd.Connection = cnn;
   cmd.CommandType = CommandType.StoredProcedure;
   cmd.CommandText = "sp_get_Scorelist";

   cmd.Parameters.Add("d1", new DateTime(2012, 03, 01));
   cmd.Parameters.Add("d2", DateTime.Now);

   using (SqlDataAdapter da = new SqlDataAdapter(cmd))
   {
       da.Fill(dt);
   }
}          

GridView1.DataSource = dt.DefaultView;
GridView1.DataBind();
这是我的存储过程

USE [ATLAS] 
GO 
/****** Object:  StoredProcedure [dbo].[sp_get_Scorelist]    Script Date: 05.04.2012 14:54:30 ******/ 
SET ANSI_NULLS ON 
GO 
SET QUOTED_IDENTIFIER ON 
GO 
ALTER Procedure [dbo].[sp_get_Scorelist](@d1 datetime,@d2 datetime) 
AS 
BEGIN 
SET FMTONLY OFF --SQL 2008 sonrası desteği yok, bir sonraki sürümde problem çıkacak 
SET NOCOUNT ON 
DECLARE @DT1 DateTime ,@DT2 DateTime ,@ToDay DateTime 
DECLARE @Name nvarchar(25), @Surname nvarchar(25) , @EID int, @DayScore nvarchar(25) 
DECLARE @Query varchar(Max), @FName varchar(80) 
if (select name from tempdb..sysobjects where name like '#ScoreList%') <> '' DROP TABLE #Scorelist 
Create Table  #ScoreList (Name nvarchar(25),Surname nvarchar(25),ID int) 
SET @DT1=@D1 
SET @DT2=@D2 
WHILE @DT1 <= @DT2   
BEGIN 
  SET @FName = Convert (Varchar(2),DATEPART(day,@DT1))+'_'+Convert(Varchar(2),DATEPART(month,@DT1)) -- +Convert(Varchar(4),DATEPART(Year,@DT1)) 
  SET @Query=N'ALTER TABLE #ScoreList ADD F'+ @FName +' nvarchar(25)' 
  EXECUTE(@Query) 
  DECLARE CRS_ALLOTMENT CURSOR FOR   
  --SET DATEFIRST 1 
    Select hr.Name, hr.Surname, hr.EmployeeID, sc.DayScore from hr_scoring sc left join hr_employee hr on  sc.EmployeeID = hr.employeeID Where ScoreDate=@Dt1 
OPEN CRS_ALLOTMENT   
FETCH NEXT FROM CRS_ALLOTMENT INTO @Name ,@Surname ,@EID ,@DayScore  
WHILE @@FETCH_STATUS =0 
BEGIN         
  IF (Select Count(*) FROM #ScoreList Where ID=@EID ) > 0 
  BEGIN 
    SET @Query=N'UPDATE #ScoreList Set F'+@FName+'='''+@DayScore+''' Where ID='+ Convert(varchar(30),@EID) 
  END 
  ELSE 
  BEGIN 
SET @Query=N'INSERT INTO #ScoreList (Name,Surname,ID,F'+@FName+') Values('''+@Name+''' '+','+' '''+ @SurName+ ' '''+ ','+Convert(Varchar(25),@EID)+','+' '''+@DayScore+' '''+') ' 
  END 
      EXECUTE(@Query)          
FETCH NEXT FROM CRS_ALLOTMENT INTO @Name ,@Surname ,@EID ,@DayScore  
END 
  CLOSE CRS_ALLOTMENT 
  DEALLOCATE CRS_ALLOTMENT     
    SET @DT1 = @DT1+1 
END 


Select * From #Scorelist Order By Name,SurName 

END 
我的问题是如何从Silverlight中的存储过程填充datagrid

它应该在域服务中还是在服务器端?如果你写一个例子就好了


无论如何,谢谢你

只要想一想你的代码在哪里以及如何运行一分钟:

在ASP.NET中,所有内容都在web服务器上运行,并转换为HTML,然后发送到客户端以在浏览器中显示。您的代码完全在服务器上运行,Javascript脚本除外,因此它可以直接访问数据库服务器和存储过程

另一方面,在Silverlight中,您的代码在Silverlight插件内的客户端上运行。那里没有数据库服务器-很可能,该客户机也无法从其位置直接连接到数据库服务器


因此,在Silverlight中,您需要通过域服务进行所有数据访问。您的域服务需要公开一个方法来获取该数据,并以某种方式返回该数据,以便SL客户端可以在客户端的计算机上显示该数据