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declare @p int
declare @p1 int
declare @count int
set @p=0
set @p1=10
set @count=2
if(@count<>0 or @count<>1)
set @p=@p1*@count-10
SELECT [t1].[userid], [t1].[username], [t1].[userorder]
from (
    SELECT ROW_NUMBER() OVER (ORDER BY [t0].[userorder]) AS [ROW_NUMBER], [t0].[userid], [t0].[username], [t0].[userorder]
    from [dbo].[users] AS [t0]
    ) AS [t1]
WHERE [t1].[ROW_NUMBER] BETWEEN @p + 1 AND @p + @p1


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private void button2_Click(object sender, EventArgs e)//Ôö
{
try
{
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