ODataQuery<TSource, TResult> Class
Builds the OData query options of the entity set of TSource that return results of type TResult computed by $apply. OData applies $apply first, so the Where, OrderBy, Skip and Take of this query work on the results.
Inheritance
Object
ODataQuery<TSource, TResult>
Namespace: Radzen
Assembly: Radzen.Blazor.dll
Syntax
public class ODataQuery<TSource, TResult>Type Parameters
| Name | Description |
|---|---|
| TSource | The entity type of the entity set. |
| TResult | The type of the results. |
Methods
OrderBylinkLink to this section
Orders the results by keySelector ascending, translated to $orderby. Replaces any earlier ordering.
Declaration
public OrderedODataQuery<TSource, TResult> OrderBy(Expressions.Expression<Func<TResult, TKey>> keySelector)Parameters
| Type | Name | Description |
|---|---|---|
| Expressions.Expression<Func<TResult, TKey>> | keySelector | A group key or an aggregate of the result. |
Returns
| Type | Description |
|---|---|
| OrderedODataQuery<TSource, TResult> | A new query to which ThenBy adds the next key. |
OrderByDescendinglinkLink to this section
Orders the results by keySelector descending, translated to $orderby. Replaces any earlier ordering.
Declaration
public OrderedODataQuery<TSource, TResult> OrderByDescending(Expressions.Expression<Func<TResult, TKey>> keySelector)Parameters
| Type | Name | Description |
|---|---|---|
| Expressions.Expression<Func<TResult, TKey>> | keySelector | A group key or an aggregate of the result. |
Returns
| Type | Description |
|---|---|
| OrderedODataQuery<TSource, TResult> | A new query to which ThenBy adds the next key. |
SkiplinkLink to this section
Skips count results, translated to $skip. Call it once, before Int32).
Declaration
public ODataQuery<TSource, TResult> Skip(int count)Parameters
| Type | Name | Description |
|---|---|---|
| int | count | The number of results to skip. |
Returns
| Type | Description |
|---|---|
| ODataQuery<TSource, TResult> | A new query with $skip. |
TakelinkLink to this section
Takes at most count results, translated to $top. Call it once.
Declaration
public ODataQuery<TSource, TResult> Take(int count)Parameters
| Type | Name | Description |
|---|---|---|
| int | count | The number of results to return. |
Returns
| Type | Description |
|---|---|
| ODataQuery<TSource, TResult> | A new query with $top. |
ToQueryStringlinkLink to this section
Returns the query options with each value escaped once with String).
Declaration
public string ToQueryString()Returns
| Type | Description |
|---|---|
| string | The query string without the leading question mark. |
ToStringlinkLink to this section
Returns the query options unescaped, e.g. $apply=filter(Refunded ne true)/groupby((Currency),aggregate(Price with sum as TotalPrice)).
Declaration
public override string ToString()Returns
| Type | Description |
|---|---|
| string | The readable query options. |
WherelinkLink to this section
Filters the results with predicate, translated to a filter(...) transformation after the grouping.
Declaration
public ODataQuery<TSource, TResult> Where(Expressions.Expression<Func<TResult, bool>> predicate)Parameters
| Type | Name | Description |
|---|---|---|
| Expressions.Expression<Func<TResult, bool>> | predicate | The condition, e.g. total => total.TotalPrice > 100. |
Returns
| Type | Description |
|---|---|
| ODataQuery<TSource, TResult> | A new query with the filter added. |
WithCountlinkLink to this section
Requests the count of the results, translated to $count=true.
Declaration
public ODataQuery<TSource, TResult> WithCount()Returns
| Type | Description |
|---|---|
| ODataQuery<TSource, TResult> | A new query with $count=true. |