Queryfilter. Iqueryfilter filters data based on an attribute query. An optional list of columns may be included to specify the column values to be retrieved.
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Examples sample code invoking the queryfilter function. Query iteration functions a look at the higher order functions that queries have. When do we use queryfilter class.
If no columns are specified all values will be returned.
Examples sample code invoking the queryfilter function. A string defining a where clause is required. A query predicate is a boolean expression typically passed to the linq where query operator. In a query operation queryfilter is a condition that evaluates the query results after the items are read and returns only the desired values.
