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

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

Tries to finds an entity by its ID value. 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 TryById<TRow>(this IDbConnection connection, object id)
    where TRow : class, IRow, IIdRow, new()
parameter description
TRow The type of the row.
connection The connection.
id The identifier.

Return Value

Entity with given ID, or null if not found

Exceptions

exception condition
InvalidOperationException Multiple records with the ID found

See Also

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

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

Tries to find an entity by its ID value. This method does not select any fields by default and allows you to edit the query to select fields you want.

public static TRow TryById<TRow>(this IDbConnection connection, object id, 
    Action<SqlQuery> editQuery)
    where TRow : class, IRow, IIdRow, new()
parameter description
TRow The type of the row.
connection The connection.
id The identifier.
editQuery Callback to edit the query.

Return Value

Entity with given ID, or null if not found

Exceptions

exception condition
InvalidOperationException Multiple records with the ID found

See Also