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EntityConnectionExtensions.Single<TRow> method (1 of 2)

namespace: Serenity.Data   assembly: Serenity.Net.Entity

Finds a single entity, allowing caller to edit the criteria and set of fields to load through a editQuery callback.

public static TRow Single<TRow>(this IDbConnection connection, Action<SqlQuery> editQuery)
    where TRow : class, IRow, new()
parameter description
TRow The type of the row.
connection The connection.
editQuery The callback to edit query.

Return Value

Single entity matching the criteria set by editQuery.

Exceptions

exception condition
ValidationError No records matching the specified criteria.
InvalidOperationException Multiple records matching the specified criteria.

See Also

EntityConnectionExtensions.Single<TRow> method (2 of 2)

namespace: Serenity.Data   assembly: Serenity.Net.Entity

Finds a single entity matching the specified criteria. This method selects only the table fields, and no foreign / calculated fields. Use other overloads if you want to select different set of fields.

public static TRow Single<TRow>(this IDbConnection connection, ICriteria where)
    where TRow : class, IRow, new()
parameter description
TRow The type of the row.
connection The connection.
where The where criteria.

Return Value

The single entity matching the specified criteria

Exceptions

exception condition
ValidationError No matching records found
InvalidOperationException Multiple records matching the specified criteria.

See Also