ColumnBuilder.Single Method

Reference

Definition

Namespace:: System.Data.Entity.Migrations.Builders

Assembly:: EntityFramework.dll

Important

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Overloads

Single(Nullable<Boolean>, Nullable<Single>, String, String, String)

Creates a new column definition to store Single data.

Single(Nullable<Boolean>, Nullable<Single>, String, String, String, IDictionary<String,AnnotationValues>)

Creates a new column definition to store Single data.

Entity Framework Migrations APIs are not designed to accept input provided by untrusted sources (such as the end user of an application). If input is accepted from such sources it should be validated before being passed to these APIs to protect against SQL injection attacks etc.

Single(Nullable<Boolean>, Nullable<Single>, String, String, String)

Creates a new column definition to store Single data.

public System.Data.Entity.Migrations.Model.ColumnModel Single (Nullable<bool> nullable = null, Nullable<float> defaultValue = null, string defaultValueSql = null, string name = null, string storeType = null);

member this.Single : Nullable<bool> * Nullable<single> * string * string * string -> System.Data.Entity.Migrations.Model.ColumnModel

Public Function Single (Optional nullable As Nullable(Of Boolean) = null, Optional defaultValue As Nullable(Of Single) = null, Optional defaultValueSql As String = null, Optional name As String = null, Optional storeType As String = null) As ColumnModel

Parameters

nullable: Nullable<Boolean>

Value indicating whether or not the column allows null values.

defaultValue: Nullable<Single>

Constant value to use as the default value for this column.

defaultValueSql: String

SQL expression used as the default value for this column.

name: String

The name of the column.

storeType: String

Provider specific data type to use for this column.

Returns

ColumnModel

The newly constructed column definition.

Applies to

Single(Nullable<Boolean>, Nullable<Single>, String, String, String, IDictionary<String,AnnotationValues>)

Creates a new column definition to store Single data.

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1822:MarkMembersAsStatic")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1026:DefaultParametersShouldNotBeUsed")]
public System.Data.Entity.Migrations.Model.ColumnModel Single (Nullable<bool> nullable = null, Nullable<float> defaultValue = null, string defaultValueSql = null, string name = null, string storeType = null, System.Collections.Generic.IDictionary<string,System.Data.Entity.Infrastructure.Annotations.AnnotationValues> annotations = null);

member this.Single : Nullable<bool> * Nullable<single> * string * string * string * System.Collections.Generic.IDictionary<string, System.Data.Entity.Infrastructure.Annotations.AnnotationValues> -> System.Data.Entity.Migrations.Model.ColumnModel

Public Function Single (Optional nullable As Nullable(Of Boolean) = null, Optional defaultValue As Nullable(Of Single) = null, Optional defaultValueSql As String = null, Optional name As String = null, Optional storeType As String = null, Optional annotations As IDictionary(Of String, AnnotationValues) = null) As ColumnModel