Asp.net C# Multiple same name in table column in asp.net c#

Question

Respected sir,

Please tell me about ,

How to replace the Multiple value in table column

Like

Table: building

Id      Name

1  Dev

2  Dev

3  Dev

4  Dev

How it bind the name field with dropdownbox  and show it only once in dropdownbox.....???

Please tell me as possible as.......???

Regards,

Ajit more

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