使用节标题将记录提取到选择菜单

my table is

我的桌子是

Section SectionID   SectionHeader
S1      1           Section1
S2      1           Section1
S3      1           Section1
S4      2           Section2
S5      2           Section2
S6      3           Section3
S7      3           Section3
Section SectionID   Secti