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

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

Finds first entity, allowing the caller to set criteria and fields to select through an editQuery callback.

public static TRow First<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 edit query callback.

Return Value

First entity matching the criteria.

Exceptions

exception	condition
ValidationError	No records matching the specified criteria.

See Also

• class TRow
• class SqlQuery
• interface IRow
• class EntityConnectionExtensions

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

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

Finds first entity matching a where criteria.

public static TRow First<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

First entity matching the where criteria.

Exceptions

exception	condition
ValidationError	No records matching the specified criteria.

See Also

• class TRow
• interface ICriteria
• interface IRow
• class EntityConnectionExtensions