How to update the table with multiple column names

Question

I have a column like this string id=123 This 123 are columns name. 1 is a column name2 is a column name3 is a column name I want to update value to this three columns

Vasanth Jack · Answer

I get the column values through my server side .. For EX: String id=123 This three numbers is my column names I want to update my table by this column names

Dipika · Answer

simple update table tablename set col1=value1col2=value2col3=value where condition (if any)