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Command.CommandText = "select Playfile.FileName from Playfile where Playfile.PID IN(select Playlist.PID from Playlist where Playlist.Name1 = '" & TextBox1.Text & "')"
IF OBJECT_ID('tempdb..#TMP') > 0 DROP TABLE #TMP
Create TABLE #TMP(ID int identity(1,1) ,PID int,FileName NCHAR(10))
INSERT INTO #TMP Values(123,N'qw')
INSERT INTO #TMP Values(456,N'rt')
INSERT INTO #TMP Values(456,N'fg')
INSERT INTO #TMP Values(123,N'aa')
--INSERT INTO #TMP Values(123,NULL)
IF OBJECT_ID('tempdb..#TMP1') > 0 DROP TABLE #TMP1
Create TABLE #TMP1(ID int identity(1,1) ,PID char(10) ,Name1 NCHAR(10))
INSERT INTO #TMP1 Values(123,N'qq')
INSERT INTO #TMP1 Values(234,N'ss')
select #TMP.FileName from #TMP
where #TMP.PID IN(
select #TMP1.PID
from #TMP1
where #TMP1.Name1 = 'qq'
)
select A = (CONVERT(INT,(SELECT a= '100' union SELECT a= '110')))