vb.net - Convert linq statement to sql -

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i deprecating project linq coding sql stored procedures. (my company refuses upgrade our sql 2000 database.) stuck on current code trying convert sql. can this?

dim icd9codes = ( in linq2db.icd9codes iif(string.isnullorempty(variable1), 1 = 1, a.code.startswith(variable1)) select a).tolist

i stuck on 'iif' statements converting 'where' clause uses if statement if value not null.

to convert sp you'll need make variable1 parameter. iif part addressed in where clause, this:

create procedure [procedure_name] @variable1 varchar(50) begin     select *     id9codes     len(ltrim(rtrim(isnull(@variable1, '')))) = 0         or code @variable1 + '%' end

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