data to be embedded only in coder page .aspx.cs

i am having a dropdownlist1
my database has a
my table has a
values
a                          b
varchar                 int
sjkd                      1

sjkdhjhsd             2

sdjkk                    3


i dont need any data ctrls [sqldatasource1,objdatsource1,gridview1 ....etc  ]
what i need in droplist1 is a
i need code for that in .aspx.cs
i dont need that done in .aspx page
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