14 lines
504 B
C#
14 lines
504 B
C#
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namespace OnlineAssessment.Data
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{
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//https://stackoverflow.com/questions/31162576/entity-framework-add-if-not-exist-without-update
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//public static class DbSetExtensions
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//{
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// public static T AddIfNotExists<T>(this DbSet<T> dbSet, T entity, Expression<Func<T, bool>> predicate = null) where T : class, new()
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// {
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// var exists = predicate != null ? dbSet.Any(predicate) : dbSet.Any();
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// return !exists ? dbSet.Add(entity) : null;
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// }
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//}
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}
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