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Stored Procedure
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À
06/11/2009 14:11:51
Information générale
Forum:
ASP.NET
Catégorie:
Bases de données
Versions des environnements
Environment:
C# 3.0
OS:
Windows XP SP2
Database:
MS SQL Server
Divers
Thread ID:
01433610
Message ID:
01433613
Vues:
40
>Hi All,
>
>I need some help with an sql stored procedure. The procedure listed here passes a parameter to the Table Name and works as it should. What I also want to be able to do is to add a WHERE clause that passes two datetime parameters to filter the results to return rows that have a date field between the datetime parameters. I cannot seem to get thw where clause to work. Any help would be appreciated.
>
Jim,

Try
ALTER PROCEDURE [dbo].[GetWellData] 
	-- Add the parameters for the stored procedure here	
	@Tablename sysname,	 
	@StartDate datetime,
	@EndDate datetime
AS
BEGIN
	-- SET NOCOUNT ON added to prevent extra result sets from interfering with SELECT statements.
	SET NOCOUNT ON;
	SET @TableName = RTRIM(@TableName)

	Declare @cmd AS NVARCHAR(max)
   DECLARE @ParmDefinition NVARCHAR(500)
   SET @ParmDefinition = N'@InnerStartDate datetime ,@InnerEndDate datetime'

	SET @cmd = N'Select * from ' + QUOTENAME(@TableName) + ' where DateField between @StartDate and @EndDate',
    
	exec sp_executesql @cmd, @ParmDefinition,
            @InnerStartDate = @StartDate,
            @InnerEndDate  = @EndDate
END
If it's not broken, fix it until it is.


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