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Pass Delimited List to SQL Server Stored Procedure

thank you albao

This Stored Procedure shows how to accept a comma delimited list of ID’s and return records from a table that match the items of the delimited list:
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-- =============================================
-- Description: Returns one or more user records from the Users table.
-- This sproc allows clients to have to make only one call to retrieve more than one record from a table (as opposed to calling the sproc for each record).
-- The parameter is a varchar that can be a comma delimited list of UserId's.
---- For example: A parameter of '1,8,9,45' will return four users of which have a UserId
---- of 1, 8, 9, or 45
-- =============================================
ALTER PROCEDURE [dbo].[GetUsers]
    -- Declare the SP Parameter.
    @UserIdList Varchar(MAX) --The UserIdList is a comma delimited list of UserId's
AS
    --Create a var that defines the char that is used for the UserIdList delimiter
    --We need to do this because a list such as (1,2,4,99) returns true in the T-SQL IsNumeric function - which screws up the IsNumeric condition later on in this SP
    DECLARE @ListDelimiter VARCHAR(1)
    SET @ListDelimiter = ','
 
    --Remove white spaces from the parameter string
    SET @UserIdList=REPLACE(@UserIdList,' ','')
 
    --Create the temporary table that will hold rows of ID's that were passed in the parameter
    CREATE TABLE #tmpUserList (UserId INT)
 
    DECLARE @UserId INT --This UserId var will hold the UserId value that was derived from the UserIdList
 
    --Loop until the UserIdList var has a length of zero
    WHILE(LEN(@UserIdList) > 0)
        BEGIN
            print (@UserIdList)
 
            --Set the UserId to the first value in the UserIdList
            IF(CHARINDEX(@ListDelimiter, @UserIdList) > 0)
                SET @UserId = LEFT(@UserIdList, CHARINDEX(@ListDelimiter, @UserIdList) - 1)
            ELSE
                SET @UserId = @UserIdList
 
            --Remove the first value from the UserIdList
            SET @UserIdList = RIGHT(@UserIdList, LEN(@UserIdList) - LEN(@UserId))
 
            --Insert the UserId into the temporary table
            IF(ISNUMERIC(@UserId) = 1)
            INSERT INTO #tmpUserList (UserId) SELECT @UserId
        END
    BEGIN
 
    -- SET NOCOUNT ON added to prevent extra result sets from interfering with SELECT statements.
    SET NOCOUNT ON;
 
    -- Get all the users that have a matching UserId in the tmpUserList table
    SELECT DISTINCT U.UserId, U.UserName,U.Email,U.FirstName, U.LastName, U.Password, U.MobilePhone, U.IsActive, U.DateAdded
    FROM Users U JOIN #tmpUserList UL ON U.UserId = UL.UserId
 
    BEGIN
        DROP TABLE #tmpUserList
    END
    END
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