How can I make an item in a WHERE clause optional?
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Only do Where condition if a value is passed in
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WHERE IS NULL, IS NOT NULL or NO WHERE clause depending on SQL Server parameter value
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Building where clause based upon parameters
43769
How do I Parameterize a null string with DBNull.Value clearly and quickly
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Is there a DBMS that allows the "= NULL" syntax?
8885
How can I filter items with a certain enchantement?
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What is the linq equivalent to the SQL IN operator
61961
How to make LINQ execute a (SQL) LIKE range search
131439
Filter linq list on property value
25134
How do I perform an IF...THEN in an SQL SELECT?
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How do I use the conditional (ternary) operator?
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Should I use two "where" clauses or "&&" in my LINQ query?
104501
How do I enforce null checking?
131726
How to make primitive type properties Optional?
20329
Can you use "where" to require an attribute in c#?
33913
How can you use optional parameters in C#?
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SQL Server: Dynamic where-clause